Providers Derek Olden, CRNA to Blaine Oldham, MD
300 individual NPIs in the federal registry, part 16,168 of 24,427 of the A to Z by surname. Each row is the registry's record: the name and credential, the NPI, the primary specialty, the practice city and the year the NPI was issued. 95 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Derek Olden, CRNA | 1467049668 | Certified Registered Nurse Anesthetist | Shreveport, LA | 2020 |
| Devin Olden | 1336962729 | Pharmacist | Pembroke, NC | 2024 |
| Diane Olden | 1285867317 | Registered Nurse | Ithaca, NY | 2009 |
| Frederick Olden, DDS,MSD,INC | 1295877991 | Periodontics | Dallas, TX | 2007 |
| Gentry Olden, NP | 1689198988 | Family Nurse Practitioner | Shreveport, LA | 2017 |
| Georgia Olden, PA-C | 1629806385 | Physician Assistant | Indianapolis, IN | 2024 |
| Ian Olden | 1528682820 | Mental Health Counselor | Morgan Hill, CA | 2020 |
| Illana Olden, DNP | 1740070440 | Gerontology Nurse Practitioner | Cincinnati, OH | 2025 |
| Janet Olden, L.M.H.C. | 1366565079 | Mental Health Counselor | Lowell, MA | 2007 |
| Jennifer Olden, LCSW | 1316215056 | Clinical Social Worker | North Chicago, IL | 2011 |
| Jennifer Olden, MA | 1518979400 | Marriage & Family Therapist | Sacramento, CA | 2006 |
| Joi Olden, DPT | 1861736191 | Physical Therapist | Marrero, LA | 2012 |
| Judith Olden | 1346849619 | Home Health Aide | Cambridge, OH | 2020 |
| Karen Olden, APRN, FNP, BC | 1942445705 | Family Nurse Practitioner | Summit, NJ | 2008 |
| Katrina Olden, LCPC | 1417678509 | Mental Health Counselor | Granite City, IL | 2022 |
| Kevin Olden, MD | 1386682185 | Gastroenterology Physician | Yakima, WA | 2006 |
| Lillian Olden, RN PHN | 1891976023 | Community Health Registered Nurse | Santa Ana, CA | 2007 |
| Mariah Olden | 1003238999 | Mental Health Counselor | Oklahoma City, OK | 2014 |
| Mary Olden, RPH | 1871691063 | Pharmacist | Kerrville, TX | 2006 |
| Matthew Olden, R.T. (R),(T) | 1497070379 | Radiation Therapy Radiologic Technologist | Irving, TX | 2010 |
| Megan Olden, PH.D. | 1285933887 | Clinical Psychologist | New York, NY | 2011 |
| Michael Olden, HT,OST,C-PED,PMAC | 1194801837 | Surgical Technologist | Kerrville, TX | 2006 |
| Michael Olden, D.O. | 1609961218 | Endocrinology, Diabetes & Metabolism Physician | Olympia Fields, IL | 2006 |
| Michelle Olden, RN | 1235294166 | Case Management Registered Nurse | Concord, MA | 2006 |
| Shomari Olden, M.D. | 1356791131 | Internal Medicine Physician | New Orleans, LA | 2016 |
| Sinaka Olden | 1689046138 | Nurse's Aide | Lewes, DE | 2015 |
| Stacey Olden, LPC | 1518920503 | Professional Counselor | Charlotte, NC | 2006 |
| Sylvia Olden | 1952651812 | Home Health Aide | Washington, DC | 2012 |
| Vander Olden, APRN-CNP | 1730539099 | Family Nurse Practitioner | Oklahoma City, OK | 2016 |
| Wanda Olden | 1164006896 | Personal Care Attendant | Burlington, WV | 2021 |
| Susan Olden-Grant | 1508128273 | Mental Health Counselor | Concord, CA | 2012 |
| Nicole Olden-Simon, DNP, APRN, AGAC-BC | 1205500865 | Acute Care Nurse Practitioner | Argonia, KS | 2021 |
| Angela Oldenberg, NP | 1871795096 | Nurse Practitioner | Eau Claire, WI | 2007 |
| Denise Oldenberg, MD | 1538137500 | Family Medicine Physician | Cherokee Village, AR | 2006 |
| Kristin Oldenberg, MD | 1346293362 | Obstetrics & Gynecology Physician | Grand Rapids, MI | 2006 |
| Christine Oldenbourg | 1437589058 | Family Health Clinical Nurse Specialist | Vacaville, CA | 2013 |
| Erika Oldenbrook | 1013786904 | Peer Specialist | Portland, OR | 2023 |
| Leanne Oldenbrook | 1700101466 | Health Educator | Amherst, NY | 2010 |
| Adrienne Oldenburg | 1134848468 | Behavior Analyst | Flower Mound, TX | 2022 |
| Alexandra Oldenburg, OTR/L | 1225951288 | Occupational Therapist | Kennett Square, PA | 2026 |
| Allegra Oldenburg | 1538981303 | Licensed Practical Nurse | Lancaster, PA | 2024 |
| Alyssa Oldenburg | 1821920844 | Speech-Language Pathologist | Mukwonago, WI | 2026 |
| Amy Oldenburg, MD | 1891876116 | Family Medicine Physician | Lafayette, CO | 2006 |
| Ann Oldenburg, LPC, CSAC | 1265895387 | Addiction (Substance Use Disorder) Counselor | Madison, WI | 2016 |
| Ann Oldenburg, DPT | 1417839796 | Physical Therapist | Oxford, NC | 2025 |
| Billie Oldenburg | 1407341852 | Home Health Aide | Wyoming, MI | 2018 |
| Brantley Oldenburg, LMFT-A | 1588342257 | Marriage & Family Therapist | Birmingham, AL | 2023 |
| Brianna Oldenburg, B.A. | 1538570254 | Case Manager/Care Coordinator | Vancouver, WA | 2014 |
| Caroline Oldenburg, MD | 1457091258 | Pediatrics Physician | Lafayette, LA | 2022 |
| Caroline Oldenburg, FNP-C | 1801317813 | Nurse Practitioner | Madison, WI | 2017 |
| Cassandra Oldenburg, CRNA, MSN | 1578825998 | Certified Registered Nurse Anesthetist | Port Charlotte, FL | 2012 |
| Chad Oldenburg | 1912479668 | Behavior Technician | Farmington Hills, MI | 2018 |
| Chelsea Oldenburg, LMT | 1265096960 | Massage Therapist | Portland, OR | 2019 |
| Claes Oldenburg, MD | 1811951098 | Family Medicine Physician | Saint Louis Park, MN | 2006 |
| Dale Oldenburg | 1578200549 | Case Manager/Care Coordinator | Toledo, OH | 2022 |
| Danica Oldenburg, LPC-IT | 1316581010 | Professional Counselor | Wausau, WI | 2019 |
| Debbie Oldenburg, D.C. | 1952377970 | Chiropractor | Columbus, WI | 2006 |
| Donna Oldenburg, LCPC, NCC, CCMHC | 1972012672 | Professional Counselor | Lake Bluff, IL | 2017 |
| Elizabeth Oldenburg | 1245158989 | Speech-Language Pathologist | Marshfield, MA | 2026 |
| Frederick Oldenburg, MD | 1083662571 | Pulmonary Disease Physician | Bangor, ME | 2006 |
| Frederick Oldenburg, M.D. | 1851505036 | Orthopaedic Trauma Physician | Bangor, ME | 2007 |
| Gabrielle Oldenburg | 1184417974 | Student in an Organized Health Care Education/Training Program | Daytona Beach, FL | 2025 |
| Gary Oldenburg, M.D. | 1376588657 | Anesthesiology Physician | Loves Park, IL | 2006 |
| Hannah Oldenburg, OT | 1760728943 | Occupational Therapist | Rochester, MN | 2012 |
| Isabella Oldenburg, PA | 1154882835 | Physician Assistant | Providence, RI | 2019 |
| Jaclyn Oldenburg, MS, OT | 1003571431 | Occupational Therapist | Grand Haven, MI | 2021 |
| James Oldenburg, MD | 1063152932 | Internal Medicine Physician | Youngsville, LA | 2022 |
| James Oldenburg, OTR/L | 1285090274 | Occupational Therapist | Chicago, IL | 2016 |
| Jennifer Oldenburg, PH.D. | 1376655340 | Clinical Psychologist | Greensburg, PA | 2006 |
| Jennifer Oldenburg, M.S, LMFT | 1487852745 | Marriage & Family Therapist | Long Prairie, MN | 2007 |
| Jessica Oldenburg, PHARMD | 1093313017 | Pharmacist | Rhinelander, WI | 2020 |
| Joseph Oldenburg, M.D. | 1881682193 | Ophthalmology Physician | San Luis Obispo, CA | 2005 |
| Julie Oldenburg, RD, CDE | 1477639557 | Registered Dietitian | Inglewood, CA | 2006 |
| Kaitlyn Oldenburg | 1174000129 | Behavior Technician | Novi, MI | 2018 |
| Katelyn Oldenburg, PA | 1457637324 | Physician Assistant | Jacksonville, FL | 2011 |
| Kathryn Oldenburg, LCPC | 1871895631 | Professional Counselor | Palatine, IL | 2010 |
| Kelley Oldenburg | 1093697799 | Registered Nurse | Minneapolis, MN | 2025 |
| Kimberly Oldenburg, NP | 1659977510 | Primary Care Nurse Practitioner | Suttons Bay, MI | 2020 |
| Kirsi Oldenburg | 1972306561 | Student in an Organized Health Care Education/Training Program | Minneapolis, MN | 2025 |
| Laura Oldenburg, PA | 1104920107 | Physician Assistant | Wauwatosa, WI | 2006 |
| Laura Oldenburg, MOTR/L | 1427503374 | Pediatric Occupational Therapist | Yorktown, VA | 2016 |
| Laurel Oldenburg, OTR/L, CLT-LANA | 1831397959 | Occupational Therapist | Tacoma, WA | 2007 |
| Leah Oldenburg | 1407402076 | Clinical Social Worker | Commerce Township, MI | 2019 |
| Lee Oldenburg, M.A. | 1992879829 | Professional Counselor | Billings, MT | 2006 |
| Linda Oldenburg, RN | 1962945956 | Registered Nurse | Portland, OR | 2016 |
| Mark Oldenburg, LPC | 1275261935 | Professional Counselor | Juneau, WI | 2022 |
| Martha Oldenburg, STUDENT | 1043933278 | Nurse Practitioner | Stoughton, WI | 2022 |
| Matthew Oldenburg | 1164272142 | Emergency Medical Services (Emergency Medicine) Physician | Bloomington, IL | 2024 |
| Matthew Oldenburg, B.S. | 1740309855 | Mental Health Counselor | Anaheim, CA | 2007 |
| Maureen Oldenburg | 1699155739 | Home Health Registered Nurse | De Pere, WI | 2015 |
| Megan Oldenburg, APRN, ACNS-BC | 1225597214 | Adult Health Clinical Nurse Specialist | Saint Paul, MN | 2019 |
| Michael Oldenburg, NP | 1659910800 | Critical Care Medicine Nurse Practitioner | Marietta, GA | 2020 |
| Michael Oldenburg, MD | 1770847683 | Otolaryngology Physician | Green Bay, WI | 2012 |
| Michael Oldenburg, LPC | 1851057475 | Counselor | Rockford, IL | 2021 |
| Molli Oldenburg, NP | 1598732414 | Nurse Practitioner | Buffalo, NY | 2006 |
| Monica Oldenburg, MS, CCC-SLP | 1316777485 | Speech-Language Pathologist | McKinney, TX | 2024 |
| Monica Oldenburg, MD | 1720283385 | Anesthesiology Physician | Lincoln, NE | 2007 |
| Nancy Oldenburg, CST/CSFA | 1023286507 | Surgical Assistant | Littleton, CO | 2008 |
| Nancy Oldenburg | 1629231964 | Pediatric Nurse Practitioner | Dekalb, IL | 2008 |
| Nathaniel Oldenburg, LCPC | 1790431880 | Professional Counselor | Peoria, IL | 2022 |
| Nicklas Oldenburg, M.D. | 1801899760 | Radiation Oncology Physician | Providence, RI | 2005 |
| Nicole Oldenburg | 1376486092 | Speech-Language Pathologist | Carmichael, CA | 2026 |
| Pamela Oldenburg, MAED | 1750734547 | Mental Health Counselor | Brockton, MA | 2016 |
| Peter Oldenburg, MPT | 1801930433 | Physical Therapist | Orland Park, IL | 2007 |
| Reid Oldenburg, MD, PHD | 1437647856 | Dermatology Physician | San Diego, CA | 2018 |
| Rene Oldenburg, BCBA | 1518673599 | Behavior Analyst | Aubrey, TX | 2023 |
| Ricky Oldenburg, PA-C | 1598849374 | Physician Assistant | Wildomar, CA | 2006 |
| Robin Oldenburg, NP | 1598659518 | Primary Care Nurse Practitioner | San Diego, CA | 2025 |
| Ross Oldenburg, DC | 1528714102 | Chiropractor | Shorewood, WI | 2022 |
| Ross Oldenburg, M.A. | 1942362405 | Clinical Psychologist | Gladwin, MI | 2006 |
| Savannah Oldenburg, DMD | 1730818709 | General Practice Dentistry | Vicksburg, MS | 2022 |
| Sherry Oldenburg, M.S. | 1821207119 | Psychoanalyst | Colorado Springs, CO | 2007 |
| Stephani Oldenburg, RN | 1831787050 | Registered Nurse | Appleton, WI | 2021 |
| Stephen Oldenburg | 1750774113 | Mental Health Counselor | Eugene, OR | 2015 |
| Sue Oldenburg, CRNA | 1083637631 | Certified Registered Nurse Anesthetist | Kinston, NC | 2006 |
| Tammy Oldenburg | 1124154166 | Case Manager/Care Coordinator | Concord, NH | 2007 |
| Valerie Oldenburg, DC | 1659838274 | Chiropractor | Murrieta, CA | 2019 |
| Warner Oldenburg, MD | 1922098623 | Vascular Surgery Physician | Jacksonville, FL | 2005 |
| William Oldenburg | 1316073356 | Case Manager/Care Coordinator | Concord, NH | 2007 |
| Zack Oldenburg | 1487987848 | Clinical Social Worker | Los Angeles, CA | 2009 |
| Diane Oldenburg-Durecka, M.A., LLP | 1861734923 | Psychologist | Southfield, MI | 2013 |
| Christine Oldenburg-McGee, PA | 1376706242 | Physician Assistant | Ann Arbor, MI | 2008 |
| Barbara Oldenburger | 1174135891 | Family Nurse Practitioner | Seattle, WA | 2020 |
| Derek Oldenburger, M.D. | 1275867822 | Internal Medicine Physician | Bismarck, ND | 2009 |
| Megan Oldenburger | 1750039780 | Social Worker | Queensbury, NY | 2022 |
| Miranda Oldenburger | 1891548756 | Behavior Technician | Ankney, IA | 2024 |
| Thomas Oldenburger, LCSW | 1114937778 | Clinical Social Worker | Los Angeles, CA | 2006 |
| Aileen Oldenburgh | 1366579369 | Home Health Aide | Mentor On The Lake, OH | 2007 |
| Nicole Oldenburgh | 1992122998 | Dental Hygienist | Lisbon Falls, ME | 2014 |
| Gayle Oldenbusch, MSPT | 1295886968 | Physical Therapist | Elmira, NY | 2007 |
| Chloe Oldendick, PA-C | 1265273601 | Physician Assistant | Lexington, KY | 2024 |
| Ryan Oldendick, RPH. | 1619253275 | Pharmacist | West Chester, OH | 2011 |
| Sara Oldendick, RN | 1780554626 | Registered Nurse | Cincinnati, OH | 2025 |
| Allyson Oldendorf | 1871032029 | Behavior Technician | Baton Rouge, LA | 2017 |
| Ann Oldendorf, MD | 1710079173 | Urology Physician | Ann Arbor, MI | 2006 |
| Judith Oldendorf, RNC BSN | 1265428668 | Obstetrics & Gynecology Nurse Practitioner | Colorado Springs, CO | 2005 |
| Mark Oldendorf, MD | 1427147800 | Internal Medicine Physician | Loudonville, NY | 2006 |
| Melanie Oldendorf, PA-C | 1487827804 | Physician Assistant | New Orleans, LA | 2008 |
| Sarah Oldendorf, M.ED., LPC | 1205618998 | Mental Health Counselor | Baton Rouge, LA | 2023 |
| Elizabeth Oldendorp, D.M.D. | 1316244387 | Pediatric Dentistry | Millburn, NJ | 2011 |
| David Oldenhage, BS, LMT, NCBTMB | 1821226945 | Specialist | New City, NY | 2009 |
| Anna Oldenkamp | 1306798137 | Occupational Therapist | Boise, ID | 2026 |
| Caitlin Oldenkamp | 1841751971 | Emergency Medicine Physician | Los Angeles, CA | 2019 |
| Chantel Oldenkamp | 1114501152 | Internal Medicine Physician | New Haven, CT | 2021 |
| Derek Oldenkamp, DC | 1538217054 | Chiropractor | Glasgow, KY | 2007 |
| Elizabeth Oldenkamp, PA-C | 1790250884 | Physician Assistant | Boise, ID | 2018 |
| Erin Oldenkamp, CPNP | 1376822544 | Pediatric Nurse Practitioner | Tillamook, OR | 2011 |
| John Oldenkamp, PA-C | 1013740091 | Physician Assistant | Sioux Falls, SD | 2024 |
| Katherine Oldenkamp, RN | 1659250488 | Registered Nurse | Duluth, MN | 2025 |
| Kayla Oldenkamp | 1396468989 | Speech-Language Pathologist | Mooresville, NC | 2022 |
| Maria Oldenkamp, PA-C | 1891240701 | Physician Assistant | Warren, MI | 2016 |
| Norma Oldenkamp, R.N. | 1689971996 | Registered Nurse | Creswell, OR | 2011 |
| Rebekah Oldenkamp, N.D. | 1740618321 | Naturopath | Snohomish, WA | 2013 |
| Sara Oldenkamp, OTRL | 1831109958 | Occupational Therapist | Golden Valley, MN | 2006 |
| Scott Oldenkamp, REGISTERED NURSE | 1417133620 | Registered Nurse | Rosebud, SD | 2008 |
| Shelby Oldenkamp | 1801379821 | Behavior Technician | Dublin, CA | 2018 |
| Susan Oldenkamp, LPC, NCC | 1265718753 | Professional Counselor | Boise, ID | 2011 |
| Susan Oldenkamp, M.D. | 1275669459 | Dermatology Physician | Everett, WA | 2007 |
| Taylor Oldenkamp, PMHNP | 1922717172 | Psychiatric/Mental Health Nurse Practitioner | Sioux Falls, SD | 2022 |
| Timothy Oldenkamp, PT | 1114141330 | Physical Therapist | Alexandria, MN | 2007 |
| Amanda Older, TLMHC | 1689021974 | Mental Health Counselor | Burlington, IA | 2016 |
| Ashley Older | 1376483164 | Behavior Technician | Stockton, CA | 2026 |
| Cherie Older, L.C.S.W. | 1649332966 | Clinical Social Worker | Philadelphia, PA | 2006 |
| Danielle Older, LISW | 1184175515 | Clinical Social Worker | Uniontown, OH | 2016 |
| Jay Older, MD | 1477531432 | Ophthalmic Plastic and Reconstructive Surgery Physician | Tampa, FL | 2006 |
| Jessica Older | 1124189915 | Speech-Language Pathologist | Parkville, MO | 2006 |
| Jon Older, DO | 1073582128 | Internal Medicine Physician | Houlton, ME | 2006 |
| Joy Older, CNP | 1609493022 | Nurse Practitioner | Wooster, OH | 2020 |
| Lauren Older | 1497311757 | Behavior Technician | Alameda, CA | 2019 |
| Linda Older, LMHC | 1104638121 | Mental Health Counselor | Spanaway, WA | 2025 |
| Louise Older, RPH | 1003240250 | Pharmacist | Spokane, WA | 2013 |
| Margaret Older, L.AC. | 1811364797 | Acupuncturist | Mission, KS | 2015 |
| Michael Jonathan Older, M.D. | 1194757625 | Gastroenterology Physician | Ayer, MA | 2006 |
| Molly Older, LCSW | 1114137163 | Clinical Social Worker | Chicago, IL | 2007 |
| Renea Older, APRN | 1568937712 | Family Nurse Practitioner | Circleville, OH | 2018 |
| Robert Older, M.D. | 1184680795 | Diagnostic Radiology Physician | Richmond, VA | 2006 |
| Sharon Older, PH.D. | 1821212515 | Psychologist | Maitland, FL | 2007 |
| Stephanie Older, RN | 1851552756 | Registered Nurse | Butler, PA | 2008 |
| Steven Older, M.D. | 1760589089 | Rheumatology Physician | Ft Gordon, GA | 2006 |
| Travis Older | 1336020148 | Counselor | Portsmouth, OH | 2025 |
| Amy Olderbak, OT | 1497955769 | Occupational Therapist | Canton, SD | 2007 |
| Jim Olderham, LPCC, CDCA | 1013378470 | Mental Health Counselor | Hillsboro, OH | 2016 |
| Kaitlin Olderham, PHARMD, R.PH. | 1245834225 | Pharmacist | Springfield, OH | 2020 |
| Carole Olderman, MSW | 1992026900 | Social Worker | Mansfield, CT | 2010 |
| Jada Olderman, MD | 1417134545 | Pediatrics Physician | Duluth, GA | 2008 |
| Katherine Olderman, MS, CNS, LDN | 1760072128 | Nutritionist | Bethesda, MD | 2021 |
| Rick Olderman, PT | 1114174273 | Physical Therapist | Denver, CO | 2008 |
| Jessica Olderness, PT | 1265549950 | Physical Therapist | Brooklyn Park, MN | 2006 |
| Abbey Olderog | 1982276911 | Mental Health Counselor | Des Moines, IA | 2021 |
| Cameron Olderog, MD | 1588869580 | Emergency Medicine Physician | Fort Belvoir, VA | 2007 |
| Kendra Olderog, PHARMD | 1548407281 | Pharmacist | Tampa, FL | 2009 |
| Timothy Olderr, M.D. | 1316034457 | Physical Medicine & Rehabilitation Physician | Honolulu, HI | 2006 |
| Bianca Oldershaw, D.C. | 1356834790 | Chiropractor | Atlanta, GA | 2018 |
| John Oldershaw, M.D. | 1104829423 | Diagnostic Radiology Physician | Beverly, MA | 2005 |
| Leslie Oldershaw, L.AC. | 1689794752 | Acupuncturist | Piedmont, CA | 2007 |
| William Oldershaw | 1104959329 | General Practice Dentistry | Littleton, CO | 2007 |
| Katiemae Olderstein | 1831570712 | Counselor | Worcester, MA | 2015 |
| Leif Oldert | 1801321666 | Counselor | Salt Lake City, UT | 2017 |
| Trevor Oldervik | 1174144620 | Behavior Technician | Colorado Springs, CO | 2020 |
| Carolyn Oldewage, LCSW | 1346542719 | Clinical Social Worker | Golden, CO | 2010 |
| Kimberley Oldewage, PA-C | 1003183187 | Physician Assistant | Rio Rancho, NM | 2011 |
| Kaitlyn Oldewurtel, DO | 1043871163 | Colon & Rectal Surgery Physician | Worcester, MA | 2019 |
| Shanna Oldewurtel, PHARMD | 1336420199 | Pharmacist | Bel Air, MD | 2011 |
| Athena Oldfather | 1205203163 | Behavior Technician | Honokaa, HI | 2015 |
| Gabrielle Oldfather | 1548903792 | Behavior Technician | Stuart, FL | 2022 |
| Jodi Oldfather, CRNA | 1942572409 | Certified Registered Nurse Anesthetist | Oakland, CA | 2012 |
| Kathleen Oldfather, NP | 1487728622 | Psychiatric/Mental Health Nurse Practitioner | Tucson, AZ | 2006 |
| Nicole Oldfather, PTA | 1770079147 | Physical Therapy Assistant | Kendallville, IN | 2018 |
| Rachel Oldfather, MD | 1497332902 | Internal Medicine Physician | Overland Park, KS | 2021 |
| Timothy Oldfather, M.D. | 1679572952 | Surgery Physician | Hilo, HI | 2005 |
| Alimata Oldfield | 1891125605 | Licensed Vocational Nurse | Columbus, OH | 2013 |
| Allison Oldfield, MD | 1417999160 | Diagnostic Radiology Physician | Baltimore, MD | 2006 |
| Alyssa Oldfield | 1821923996 | Family Nurse Practitioner | Marshfield, MA | 2026 |
| Amanda Oldfield, PHARM D. | 1346592003 | Pharmacist | Fort Belvoir, VA | 2012 |
| Anna Oldfield, CRNP | 1699145821 | Adult Health Nurse Practitioner | Fort Washington, PA | 2015 |
| Ashley Oldfield, APRN-AC | 1063993962 | Pediatric Nurse Practitioner | Columbus, OH | 2018 |
| Ashley Oldfield, LPC | 1215561253 | Professional Counselor | Colorado Springs, CO | 2020 |
| Baird Oldfield, MD | 1235177163 | Emergency Medicine Physician | Summerville, SC | 2006 |
| Benjamin Oldfield, M.D. | 1831465830 | Internal Medicine Physician | Washington, DC | 2012 |
| Blake Oldfield, PSY.D. | 1649047101 | School Psychologist | Rancho Mission Viejo, CA | 2023 |
| Brian Oldfield | 1013108596 | Rehabilitation Counselor | Paradise, CA | 2007 |
| Briana Oldfield | 1396460879 | Social Worker | Vienna, WV | 2022 |
| Brittany Oldfield, PRS | 1265218754 | Peer Specialist | Lorain, OH | 2023 |
| Brooke Oldfield, CPRS | 1831955566 | Peer Specialist | Lorain, OH | 2024 |
| Caroline Oldfield, LCSW | 1194689117 | Clinical Social Worker | Charlottesville, VA | 2025 |
| Charlene Oldfield, M.D. | 1639598055 | Dermatology Physician | Suffolk, VA | 2014 |
| Christopher Oldfield, M.D. | 1073512877 | Family Medicine Physician | Savannah, GA | 2005 |
| Christopher Oldfield, AU.D. | 1366999831 | Audiologist | Clearwater, FL | 2016 |
| Deborah Oldfield, PA-C | 1669781449 | Physician Assistant | Olympia, WA | 2010 |
| Donald Oldfield, MED, LMFT | 1720196371 | Marriage & Family Therapist | Graham, TX | 2006 |
| Edward Oldfield, MD | 1114993573 | Infectious Disease Physician | Norfolk, VA | 2006 |
| Edward Oldfield, M.D. | 1376938530 | Gastroenterology Physician | Norfolk, VA | 2015 |
| Edward Oldfield, PHARMD | 1952921074 | Pharmacist | Springfield, IL | 2020 |
| Elizabeth Oldfield, M.D. | 1154324192 | Obstetrics & Gynecology Physician | Nashville, TN | 2005 |
| Erica Oldfield, IBCLC | 1265151484 | Lactation Consultant (Registered Nurse) | Arlington, TX | 2022 |
| Jennifer Oldfield, RN | 1013265172 | Registered Nurse | Waterloo, NY | 2012 |
| Jessica Oldfield | 1508102427 | Counselor | West Liberty, KY | 2012 |
| Jessica Oldfield, LPN | 1548728918 | Licensed Practical Nurse | Akron, OH | 2019 |
| Jill Oldfield | 1568975381 | Licensed Practical Nurse | Lima, OH | 2017 |
| Julie Oldfield | 1063923084 | Behavior Analyst | Mountlake Terrace, WA | 2017 |
| Justin Oldfield, MD | 1457766438 | Family Medicine Physician | New York, NY | 2014 |
| Kate Oldfield | 1003468794 | Addiction (Substance Use Disorder) Counselor | Portland, OR | 2019 |
| Katherine Oldfield, N.D. | 1992898274 | Naturopath | Seattle, WA | 2006 |
| Kathryn Oldfield, PA | 1699249375 | Physician Assistant | Gardner, MA | 2019 |
| Kelsey Oldfield | 1710621248 | Peer Specialist | Parkersburg, WV | 2022 |
| Lindsey Oldfield | 1497476857 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2022 |
| Lyle Oldfield, P.T.A. | 1902971336 | Physical Therapy Assistant | Clemson, SC | 2006 |
| Mary Oldfield, D.M.D. | 1437278686 | General Practice Dentistry | Berea, KY | 2007 |
| Megan Oldfield, AU.D. | 1417515503 | Audiologist-Hearing Aid Fitter | Green, OH | 2019 |
| Meleah Oldfield | 1336018647 | Case Manager/Care Coordinator | Batavia, OH | 2025 |
| Michael Oldfield, LMSW | 1174756290 | Mental Health Counselor | Idaho Falls, ID | 2009 |
| Miranda Oldfield, BSW, BHCMII, RSS, WC | 1104585462 | Case Manager/Care Coordinator | Oklahoma City, OK | 2021 |
| Morgan Oldfield | 1073928248 | Speech-Language Pathologist | Amelia Island, FL | 2014 |
| Nicole Oldfield | 1881304186 | Behavior Technician | Bloomington, IN | 2022 |
| Opal Oldfield | 1285294033 | Technician | Elko, NV | 2019 |
| Paige Oldfield | 1326863192 | Student in an Organized Health Care Education/Training Program | Louisville, KY | 2024 |
| Paul Oldfield, FNP-C | 1396479010 | Family Nurse Practitioner | Colorado Springs, CO | 2022 |
| Raygan Oldfield | 1972384048 | Speech-Language Pathologist | Anna, TX | 2023 |
| Ronald Oldfield, PA-C | 1912003286 | Physician Assistant | Houlton, ME | 2006 |
| Roy Oldfield, PN | 1538574702 | Licensed Practical Nurse | Columbus, OH | 2014 |
| Ryan Oldfield | 1104413939 | Student in an Organized Health Care Education/Training Program | Fitchburg, MA | 2020 |
| Sally Oldfield, OT | 1023316676 | Occupational Therapist | Fort Worth, TX | 2011 |
| Scott Oldfield, CRNP | 1073576914 | Nurse Practitioner | Danville, PA | 2006 |
| Sherry Oldfield, CNM | 1942366117 | Advanced Practice Midwife | El Paso, TX | 2006 |
| Stephanie Oldfield, FNP | 1003894106 | Nurse Practitioner | Virginia Beach, VA | 2006 |
| Stephanie Oldfield, RN | 1891573804 | School Registered Nurse | Webster, NY | 2023 |
| Terina Oldfield | 1780541037 | Personal Care Attendant | Lincoln, NE | 2026 |
| Timothy Oldfield | 1841043197 | Licensed Practical Nurse | Lacey, WA | 2024 |
| Veronica Oldfield, NP | 1528014024 | Acute Care Nurse Practitioner | Nashville, TN | 2006 |
| Virginia Oldfield, LPN | 1295519171 | Licensed Practical Nurse | Federal Way, WA | 2023 |
| William Oldfield, DPT | 1245731702 | Physical Therapist | Vestavia, AL | 2018 |
| Jane Oldfield-Spearman, MSW | 1407443914 | Clinical Social Worker | Exeter, NH | 2020 |
| Brooke Oldfin | 1700485828 | Behavior Technician | Columbia, MD | 2020 |
| Carman Oldford | 1376300772 | Personal Care Attendant | Las Vegas, NV | 2024 |
| Elaine Oldford, MD | 1356091029 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2022 |
| Erin Oldford, LPC | 1902263023 | Mental Health Counselor | Brighton, MI | 2016 |
| Gregory Oldford, MD | 1376508762 | Urology Physician | West Bloomfield, MI | 2006 |
| Mary Oldford, N.P. | 1114197167 | Nurse Practitioner | Milford, MI | 2008 |
| Adam Oldham, LPC, NCC, NCSC | 1780246405 | Professional Counselor | Carlisle, PA | 2019 |
| Aimee Oldham, NP | 1225074719 | Family Nurse Practitioner | Monroe, LA | 2006 |
| Alexandra Oldham, DMD | 1205768074 | General Practice Dentistry | Paducah, KY | 2026 |
| Alexei Oldham | 1134059751 | Dentist | Oklahoma City, OK | 2026 |
| Alexis Oldham | 1588351324 | Behavior Technician | Aurora, CO | 2023 |
| Alexis Oldham | 1700408333 | Behavior Technician | Midwest City, OK | 2020 |
| Alicia Oldham | 1154009355 | Physical Therapist | New Albany, IN | 2023 |
| Alicia Oldham, OT | 1598941643 | Pediatric Occupational Therapist | Fountain Valley, CA | 2008 |
| Amanda Oldham | 1144896259 | Behavior Technician | San Antonio, TX | 2021 |
| Analisa Oldham, BCBA | 1710815691 | Behavior Analyst | League City, TX | 2026 |
| Anthony Oldham, LPN | 1245526409 | Licensed Practical Nurse | Gallatin, TN | 2011 |
| Anthony Oldham | 1275508665 | Other Technician | Traverse City, MI | 2006 |
| Arlene Oldham, DMD | 1619177755 | Dentist | Mount Pleasant, SC | 2007 |
| Ashley Oldham, FNP | 1669858429 | Family Nurse Practitioner | Blue Springs, MO | 2015 |
| Avery Oldham, RD, LD | 1790537801 | Registered Dietitian | Buckner, MO | 2024 |
| Barbara Oldham, M.S. C.C.C. S.L.P | 1023369758 | Speech-Language Pathologist | Chippewa Falls, WI | 2012 |
| Barbara Oldham | 1336753474 | Registered Dietitian | Smyrna, GA | 2020 |
| Barbara Oldham | 1992019913 | Case Manager/Care Coordinator | Homestead, FL | 2010 |
| Belinda Oldham | 1730780321 | Case Manager/Care Coordinator | Worthington, OH | 2020 |
| Benjamin Oldham, PHARM.D. | 1225632383 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | South Bend, IN | 2020 |
| Benjamin Oldham, MD | 1770773764 | Obstetrics & Gynecology Physician | Statesboro, GA | 2007 |
| Blaine Oldham, MD | 1326643602 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2020 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).