Providers David Siegman, PSYD to Janet Siel, MD
300 individual NPIs in the federal registry, part 20,175 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. 98 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| David Siegman, PSYD | 1306926589 | Psychologist | Highland Park, NJ | 2006 |
| Erin Siegman, MD | 1740861871 | Obstetrics & Gynecology Physician | New Britain, CT | 2021 |
| Ingrid Siegman, CNS-PP, RN | 1992945737 | Family Nurse Practitioner | Portland, OR | 2009 |
| Ira Siegman, M.D. | 1114908233 | Specialist | Brandon, FL | 2005 |
| James Siegman, LCSW-C | 1033540406 | Clinical Social Worker | Easton, MD | 2013 |
| Jennifer Siegman, APRN | 1336572916 | Family Nurse Practitioner | Louisville, KY | 2013 |
| Jessica Siegman, OTR/L | 1043609746 | Pediatric Occupational Therapist | Evanston, IL | 2015 |
| Karen Siegman, LCSWC | 1912923954 | Clinical Social Worker | Easton, MD | 2006 |
| Kennedy Siegman | 1144852781 | Behavior Technician | Santa Fe, NM | 2020 |
| Kimberly Siegman | 1053161752 | Speech-Language Pathologist | Prairie Village, KS | 2024 |
| Kirsten Siegman | 1578358230 | Speech-Language Assistant | Los Alamitos, CA | 2025 |
| Mara Siegman | 1619735230 | Mental Health Counselor | Newton, MA | 2024 |
| Marie-Clair Siegman, PH.D | 1720809643 | Psychologist | New York, NY | 2024 |
| Michael Siegman, MD | 1114935178 | Surgery Physician | Brandon, FL | 2006 |
| Michelle Siegman, M.A., CCC-A | 1427199611 | Audiologist | Hagerstown, IN | 2007 |
| Michelle Siegman, MSW, LCSW | 1629208194 | Clinical Social Worker | Highland Park, IL | 2009 |
| Pia Siegman | 1922474196 | Rehabilitation Practitioner | North Hollywood, CA | 2015 |
| Samantha Siegman, MS CCC-SLP | 1427375740 | Speech-Language Pathologist | Oklahoma City, OK | 2010 |
| Sherry Siegman | 1376401695 | Registered Nurse | New Hyde Park, NY | 2026 |
| Stephen Siegman, LCSW, CASAC | 1174832851 | Clinical Social Worker | Yonkers, NY | 2010 |
| Valerie Siegman, MA, LMHC, PLLC | 1063977783 | Mental Health Counselor | Tampa, FL | 2019 |
| Lindsey Siegman Harbin, LMSW | 1649964214 | Clinical Social Worker | Stevensville, MD | 2023 |
| Alexis Siegmann, AMFT | 1891395976 | Marriage & Family Therapist | St Charles, IL | 2020 |
| Alexis Siegmann, LMT | 1972312759 | Massage Therapist | Madison, SD | 2025 |
| Cynthia Siegmann | 1730380114 | Addiction (Substance Use Disorder) Counselor | Oshkosh, WI | 2007 |
| Elizabeth Siegmann, RDN, LD | 1598901142 | Registered Dietitian | Lebanon, OH | 2009 |
| Elizabeth Siegmann, LCSW | 1922070325 | Clinical Social Worker | Columbus, IN | 2006 |
| Elsie Siegmann, R.PH. | 1417230343 | Pharmacist | Springfield, MO | 2011 |
| Jaime Siegmann | 1003397084 | Peer Specialist | Afton, OK | 2018 |
| Jordan Siegmann, DPT | 1265818413 | Physical Therapist | Leominster, MA | 2015 |
| Kelly Siegmann, P.T. | 1700180700 | Physical Therapist | West Bend, WI | 2011 |
| Ken Siegmann, MFT | 1316096217 | Marriage & Family Therapist | Citrus Heights, CA | 2007 |
| Laura Siegmann | 1720574577 | Addiction (Substance Use Disorder) Counselor | Springboro, OH | 2018 |
| Lindsey Siegmann, DPT | 1407177686 | Pediatric Physical Therapist | Springfield, VA | 2010 |
| Luke Siegmann, PT, DPT, OCS | 1932753662 | Physical Therapist | Marietta, GA | 2019 |
| Renee Siegmann, M.D. | 1922110279 | Dermatology Physician | Sioux Falls, SD | 2006 |
| Richard Siegmann, MD | 1619989472 | Diagnostic Radiology Physician | Manhasset, NY | 2006 |
| Robert Siegmann, LCSW | 1962474866 | Clinical Social Worker | Columbus, IN | 2006 |
| Penny Siegmann-Beiner, LCSW-R | 1730175738 | Clinical Social Worker | Massapequa, NY | 2005 |
| Raven Siegmeier, RBT | 1467345553 | Behavior Technician | Dixon, IL | 2025 |
| Jerome Siegmeister, M.D. | 1700248077 | Child & Adolescent Psychiatry Physician | Miami, FL | 2016 |
| Yolanda Siegmeth, LCSW | 1215307624 | Clinical Social Worker | Alhambra, CA | 2015 |
| Angela Siegmon, R.N. | 1760630503 | Registered Nurse | Clinton Township, MI | 2008 |
| Claas Siegmueller, M.D., F.R.C.A. | 1437427796 | Anesthesiology Physician | San Francisco, CA | 2011 |
| Brad Siegmund, MD | 1932170909 | Anatomic Pathology & Clinical Pathology Physician | Petersburg, VA | 2006 |
| Brandon Siegmund, D.C. | 1679997274 | Chiropractor | Spring, TX | 2014 |
| Candace Siegmund, PSYD | 1184972317 | Psychologist | Los Angeles, CA | 2012 |
| Delbert Siegmund, PHARM. D. | 1740292440 | Pharmacist | Danville, IL | 2006 |
| Diane Siegmund | 1881664894 | Psychologist | Clarks Green, PA | 2006 |
| Douglas Siegmund, FNP-C | 1437837879 | Family Nurse Practitioner | Santa Ana, CA | 2023 |
| Jason Siegmund, OD | 1073675690 | Optometrist | Myrtle Beach, SC | 2006 |
| Karen Siegmund, RN | 1538665377 | Home Health Registered Nurse | Austin, TX | 2018 |
| Kelle Siegmund, OD | 1528120144 | Optometrist | Myrtle Beach, SC | 2006 |
| Lauren Siegmund | 1932949708 | Physician Assistant | Detroit, MI | 2024 |
| Leslie Siegmund | 1811454788 | Behavior Technician | Bay City, MI | 2019 |
| Lindsey Siegmund | 1861342479 | Mental Health Counselor | Tucson, AZ | 2026 |
| Mark Siegmund, LPC, LCPC | 1932263282 | Professional Counselor | Olathe, KS | 2006 |
| Martha Siegmund, RDN | 1932070984 | Registered Dietitian | Ann Arbor, MI | 2025 |
| Robert Siegmund, DPT | 1326073180 | Physical Therapist | Omaha, NE | 2006 |
| Ryan Siegmund, D.C. | 1902980030 | Chiropractor | Suwanee, GA | 2006 |
| Sara Siegmund, AU.D. | 1700974334 | Audiologist-Hearing Aid Fitter | Normal, IL | 2006 |
| Shelley Siegmund | 1215448923 | Speech-Language Pathologist | Sterling, IL | 2017 |
| Sheryl Siegmund, MD | 1124062096 | Diagnostic Radiology Physician | Aberdeen, SD | 2006 |
| Stephanie Siegmund | 1639638836 | Anatomic Pathology & Clinical Pathology Physician | Boston, MA | 2019 |
| Sumalee Siegmund | 1093579229 | School Registered Nurse | Great River, NY | 2024 |
| Susan Siegmund, DPT | 1740205103 | Physical Therapist | Omaha, NE | 2006 |
| Debra Siegmundt-Listermann, PT | 1922387638 | Physical Therapist | Ft Mitchell, KY | 2011 |
| Irene Siegnang | 1154076545 | Personal Care Attendant | Washington, DC | 2022 |
| Alivia Siegner | 1992626345 | Behavior Technician | Westfield, IN | 2026 |
| Amanda Siegner | 1851254544 | Behavior Technician | Yemassee, SC | 2025 |
| Chloie Siegner | 1083475289 | Behavior Technician | Jacksonville, FL | 2024 |
| Christopher Siegner, LCSW,QMHP | 1356472328 | Clinical Social Worker | Burns, OR | 2007 |
| John Siegner, D.O. | 1588741045 | General Practice Physician | Caro, MI | 2006 |
| Mya Siegner | 1477310811 | Behavior Technician | Dixon, IL | 2024 |
| Noreen Siegner | 1558226415 | Nurse's Aide | Windham, OH | 2025 |
| Scott Siegner, M.D. | 1386684066 | Specialist | Palos Heights, IL | 2006 |
| Stuart Siegner, PT CSCS | 1184707135 | Physical Therapist | Rochester Hills, MI | 2006 |
| Alice Siegriest, LICSW | 1386610012 | Clinical Social Worker | Winooski, VT | 2006 |
| Abby Siegrist, FNP-C | 1326756198 | Nurse Practitioner | Springfield, IL | 2022 |
| Abigail Siegrist, LCSW | 1346744158 | Clinical Social Worker | Onancock, VA | 2018 |
| Adam Siegrist, DPT | 1649832387 | Physical Therapist | Mountville, PA | 2019 |
| Agustina Siegrist | 1396511192 | Behavior Analyst | Davie, FL | 2023 |
| Alexandra Siegrist, DPT | 1922607027 | Physical Therapist | New York, NY | 2020 |
| Allyssa Siegrist | 1801374160 | Counselor | North Bend, OR | 2018 |
| Amy Siegrist, IBCLC | 1083992853 | Lactation Consultant (Non-RN) | Wayne, PA | 2011 |
| Anne Siegrist, DDS | 1578589545 | Dentist | Appleton, WI | 2006 |
| Austin Siegrist, MA, PLMHP | 1770470171 | Mental Health Counselor | Omaha, NE | 2025 |
| Bailey Siegrist | 1194682120 | Physical Therapy Assistant | Willow Springs, MO | 2026 |
| Brett Siegrist, MD | 1467555854 | Vascular Surgery Physician | Chandler, AZ | 2006 |
| Brittany Siegrist | 1730806365 | Licensed Practical Nurse | Morgantown, WV | 2022 |
| Brittney Siegrist | 1043187396 | Behavior Technician | Flint, MI | 2025 |
| Caroline Siegrist, RN | 1639049133 | Registered Nurse | Poughkeepsie, NY | 2025 |
| Catherine Siegrist, LMHC | 1912135443 | Mental Health Counselor | Santa Fe, NM | 2009 |
| Christine Siegrist, PT | 1144217704 | Physical Therapist | Tamaqua, PA | 2005 |
| Cory Siegrist, ATC | 1912039736 | Athletic Trainer | Mauston, WI | 2007 |
| Danielle Siegrist | 1972780740 | Clinical Social Worker | Portsmouth, VA | 2008 |
| Emily Siegrist | 1013565100 | Pharmacist | Medford, OR | 2019 |
| Emily Siegrist, ACNP-BC | 1134442239 | Acute Care Nurse Practitioner | Greenfield, WI | 2010 |
| Emily Siegrist | 1356287254 | Infectious Diseases Pharmacist | Oklahoma City, OK | 2026 |
| Emily Siegrist | 1851160063 | Behavior Technician | El Segundo, CA | 2023 |
| Erin Siegrist, COTA | 1417026766 | Occupational Therapy Assistant | Ft Wright, KY | 2006 |
| G. Siegrist, DDS | 1558396150 | Dentist | Denver, CO | 2006 |
| George Siegrist | 1366036386 | Student in an Organized Health Care Education/Training Program | Washington, DC | 2021 |
| Glenda Siegrist, NP | 1275722605 | Family Nurse Practitioner | Washington, DC | 2007 |
| Greta Siegrist | 1245948637 | Specialist | San Jose, CA | 2022 |
| Harry Siegrist, D.C, L.D.O. | 1851434476 | Optician | Austell, GA | 2007 |
| Heather Siegrist, CRNA | 1114558541 | Certified Registered Nurse Anesthetist | Dallas, TX | 2020 |
| Holly Siegrist | 1861143901 | Behavior Technician | Farmington Hills, MI | 2022 |
| Holly Siegrist | 1861755761 | Mental Health Counselor | San Francisco, CA | 2012 |
| J. Siegrist, MD | 1659313682 | Family Medicine Physician | Ronks, PA | 2006 |
| Jack Siegrist, D.D.S. | 1457484461 | General Practice Dentistry | Irving, TX | 2007 |
| Jamie Siegrist | 1306708854 | Physical Therapist | Batavia, IL | 2025 |
| Jean Siegrist, RPH | 1336203181 | Pharmacist | Windsor, NY | 2006 |
| Jeff Siegrist | 1285039958 | Professional Counselor | Monroeville, PA | 2014 |
| Jenna Siegrist, RDH | 1295995850 | Dental Hygienist | Highland, NY | 2008 |
| Jeremy Siegrist, M.D. | 1386682060 | Critical Care Medicine (Internal Medicine) Physician | Milwaukee, WI | 2006 |
| Jeremy Siegrist, M.D. | 1952509390 | Pediatrics Physician | Virginia Beach, VA | 2007 |
| Jody Siegrist | 1972160901 | Pharmacist | Coralville, IA | 2019 |
| Joy Siegrist, MD | 1043223027 | Psychiatry Physician | Riverview, FL | 2006 |
| Juanita Siegrist | 1730633454 | Lay Midwife | Fredericksburg, PA | 2016 |
| Kara Siegrist, M.D. | 1134410608 | Anesthesiology Physician | Nashville, TN | 2011 |
| Karen Siegrist, LISW | 1558452714 | Clinical Social Worker | Cincinnati, OH | 2006 |
| Katie Siegrist, CPTA | 1164770053 | Physical Therapy Assistant | Topeka, KS | 2012 |
| Kieran Siegrist | 1063194611 | Behavior Technician | Farmington Hills, MI | 2023 |
| Kimberly Siegrist, NP | 1043575780 | Pediatric Nurse Practitioner | Statesville, NC | 2012 |
| Kimberly Siegrist, PTA | 1225421647 | Physical Therapy Assistant | Louisville, KY | 2015 |
| Kristina Siegrist, LPN | 1275857351 | Licensed Practical Nurse | Fort Rucker, AL | 2010 |
| Leeann Siegrist, LMHCA | 1477364644 | Counselor | Tacoma, WA | 2025 |
| Linda Siegrist, RN | 1093449704 | Registered Nurse | Fort Collins, CO | 2022 |
| Luke Siegrist | 1396046041 | Pharmacist | Renton, WA | 2010 |
| Madison Siegrist, PA | 1881457216 | Medical Physician Assistant | Flat Rock, MI | 2024 |
| Mai Siegrist, OTR | 1225676687 | Occupational Therapist | Houston, TX | 2019 |
| Margaret Siegrist, O.D. | 1932172152 | Optometrist | Valley Cottage, NY | 2006 |
| Marianne Siegrist, DO | 1114030954 | Family Medicine Physician | Chesterfield, VA | 2006 |
| Mark Siegrist, O.M.000182 | 1164664058 | Acupuncturist | Reading, PA | 2009 |
| Martin Siegrist, PA | 1558685941 | Physician Assistant | Rochester, NY | 2010 |
| Megan Siegrist, AGNP-C | 1992227417 | Gerontology Nurse Practitioner | Springfield, IL | 2017 |
| Meghan Siegrist, PA-C | 1366880494 | Physician Assistant | Lexington, KY | 2013 |
| Michelle Siegrist | 1235910373 | Professional Counselor | Bellevue, PA | 2023 |
| Nancy Siegrist, P.A. | 1801819339 | Physician Assistant | Santa Barbara, CA | 2006 |
| Nick Siegrist, LSW | 1295408011 | Social Worker | Dayton, OH | 2021 |
| Nora Siegrist, MD | 1144965641 | Internal Medicine Physician | Gilbert, AZ | 2022 |
| Paige Siegrist | 1306404371 | Health Educator | Danville, PA | 2019 |
| Patricia Siegrist, RN | 1427411933 | Lactation Consultant (Registered Nurse) | Bryn Mawr, PA | 2016 |
| Richard Siegrist, RPH. | 1568785400 | Pharmacist | Windsor, NY | 2010 |
| Roxanne Siegrist | 1609143593 | Dentist | Crested Butte, CO | 2011 |
| Stephanie Siegrist, MD | 1770551582 | Orthopaedic Surgery Physician | Rochester, NY | 2006 |
| Stephen Siegrist, D.O. | 1912973637 | Family Medicine Physician | Chesterfield, VA | 2006 |
| Sydni Siegrist, MA, BCBA, LBA | 1538734546 | Behavior Analyst | Farmington Hills, MI | 2021 |
| Tanya Siegrist, RN | 1518105907 | Ambulatory Care Registered Nurse | Nashville, TN | 2009 |
| Taylor Siegrist, DC | 1578212817 | Chiropractor | Grain Valley, MO | 2022 |
| Timothy Siegrist, M.D. | 1720279946 | Urology Physician | Middletown, CT | 2007 |
| Vanessa Siegrist, APRN | 1134663958 | Nurse Practitioner | Rocky Hill, CT | 2016 |
| Virginia Siegrist | 1770302432 | Mental Health Counselor | Poughkeepsie, NY | 2024 |
| William Siegrist, QMHA | 1144688649 | Rehabilitation Practitioner | Las Vegas, NV | 2016 |
| Stephanie Siegrist-Boling, NP | 1306079785 | Family Nurse Practitioner | Cincinnati, OH | 2009 |
| Ann Carmel Siegue, PT | 1023721008 | Physical Therapist | Fulshear, TX | 2023 |
| Marichu Siegue, PT | 1659578565 | Physical Therapist | Queen Creek, AZ | 2007 |
| Hannah Siegwald | 1871290965 | Psychiatric/Mental Health Nurse Practitioner | Greenville, SC | 2023 |
| Joseph Siegwald, DMD | 1588394852 | General Practice Dentistry | Pawleys Island, SC | 2022 |
| Paul Siegwald, PA | 1346909694 | Physician Assistant | Cincinnati, OH | 2021 |
| Kelly Siegwalt | 1841845468 | Behavior Technician | Marlborough, MA | 2019 |
| Abby Siegwarth | 1043820046 | Speech-Language Pathologist | Avon, IN | 2020 |
| Vanessa Siegwarth, MSW, LSW | 1407789019 | Social Worker | Eatontown, NJ | 2026 |
| Alyssa Siegworth, PA-C | 1053167395 | Physician Assistant | Trinity, FL | 2024 |
| Amanda Siegworth | 1336875095 | Mental Health Counselor | Taylorsville, UT | 2022 |
| Haley Siegworth, PA-C | 1386415834 | Physician Assistant | Tampa, FL | 2024 |
| Mary Siegworth, SLP | 1699291815 | Speech-Language Pathologist | Nauvoo, IL | 2017 |
| Miriam Siegworth, ANP | 1710209929 | Adult Health Nurse Practitioner | Dallas, TX | 2010 |
| Amy Sieh, RN | 1083592612 | Registered Nurse | Sioux Falls, SD | 2025 |
| Bailey Sieh, OTRL | 1346976834 | Occupational Therapist | Papillion, NE | 2022 |
| Crescentia Sieh, R.N. | 1114478625 | Registered Nurse | Revere, MA | 2016 |
| Dasirae Sieh, DDS | 1114545969 | Dentist | Memphis, TN | 2020 |
| Diane Sieh | 1124976154 | Student in an Organized Health Care Education/Training Program | Manchester, CT | 2026 |
| Erin Sieh, LMSW | 1205607637 | Clinical Social Worker | North Liberty, IA | 2024 |
| Gabriel Sieh | 1326909490 | Physical Therapy Assistant | York, PA | 2025 |
| Heather Sieh, LMSW, LSWAIC | 1881468585 | Clinical Social Worker | Spokane, WA | 2023 |
| Jordan Sieh | 1881069409 | Family Nurse Practitioner | Gothenburg, NE | 2015 |
| Julie Sieh, DDS | 1952405599 | General Practice Dentistry | Temple, TX | 2006 |
| Laura Sieh, MD | 1457180366 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Linnea Sieh, LPC | 1710318290 | Professional Counselor | Troy, MI | 2013 |
| Molia Sieh, LCSWC | 1609968999 | Clinical Social Worker | Silver Spring, MD | 2006 |
| Olynn Sieh | 1093659732 | Registered Nurse | Minneapolis, MN | 2026 |
| Sabrina Sieh | 1912736943 | Behavior Technician | Newton, MA | 2024 |
| Susan Sieh, MD | 1841392750 | Family Medicine Physician | Mason City, IA | 2006 |
| Thomas Sieh, MA, LPC | 1689043275 | Mental Health Counselor | Fresno, TX | 2015 |
| William Sieh | 1164761177 | Mental Health Counselor | San Jose, CA | 2013 |
| Angela Sieh Ceretto, MA, CCC-A, FAAA | 1861599060 | Audiologist | Sioux Falls, SD | 2006 |
| Georgiana Siehl, MA, CCC-SLP | 1073830329 | Speech-Language Pathologist | Ann Arbor, MI | 2010 |
| Jennifer Siehl, LPC | 1316834534 | Counselor | Lebanon, OH | 2025 |
| Jonathan Siehl, M.S.W., L.I.S.W. | 1427191642 | Mental Health Counselor | Worthington, OH | 2007 |
| Kimberly Siehl | 1184514713 | Clinical Social Worker | Jersey City, NJ | 2025 |
| Melinda Siehler, LAT, ATC | 1992196216 | Athletic Trainer | Palatka, FL | 2015 |
| Emily Siehnel, D.C. | 1689111494 | Chiropractor | Carlsbad, CA | 2017 |
| Jeremy Siehnel, PHARM. D. | 1194109157 | Pharmacist | Oceanside, CA | 2015 |
| Benjamin Siehoff, DPT | 1174019988 | Physical Therapist | Richland Center, WI | 2018 |
| Mariela Siehoff, DDS | 1033520770 | General Practice Dentistry | West Allis, WI | 2014 |
| Zachary Siehoff, D.O. | 1639437999 | Hospitalist Physician | Milwaukee, WI | 2012 |
| Adriana Siehr, NP | 1609283076 | Nurse Practitioner | Manitowoc, WI | 2014 |
| Daniel Siehr | 1053481697 | Pharmacist | Madison, WI | 2006 |
| Kenneth Siehr, R.PH. | 1114941861 | Pharmacist | Milwaukee, WI | 2006 |
| Kristin Siehr, DPT | 1659565133 | Physical Therapist | Cedarburg, WI | 2007 |
| Laura Siehr, LSW | 1033479365 | Addiction (Substance Use Disorder) Counselor | Indianapolis, IN | 2012 |
| Meagan Siehr, MS, PHD | 1568182152 | Genetic Counselor (M.S.) | Houston, TX | 2022 |
| Molly Siehr | 1518656206 | Behavior Analyst | Green Bay, WI | 2023 |
| Rachel Siehs, L.M.H.C., N.C.C | 1841538121 | Professional Counselor | Bay Shore, NY | 2013 |
| Amber Sieja, MD | 1548271307 | Internal Medicine Physician | Aurora, CO | 2006 |
| Brandi Sieja, RN | 1255173985 | Registered Nurse | Saginaw, MI | 2024 |
| Courtney Sieja, DPT | 1477153005 | Physical Therapist | Huntsville, AL | 2020 |
| Elizabeth Sieja, PCC | 1598002149 | Professional Counselor | Toledo, OH | 2013 |
| Jessica Sieja | 1841141785 | Health & Wellness Coach | Carson, CA | 2026 |
| Kathy Sieja, LPC | 1689753840 | Mental Health Counselor | Huntsville, AL | 2006 |
| Kevin Sieja, M.D. | 1952356677 | Gastroenterology Physician | Denver, CO | 2006 |
| Scott Sieja, D.C. | 1215904420 | Chiropractor | Watauga, TX | 2006 |
| Alexis Siejack, M.S. | 1396307906 | Behavior Analyst | Baltimore, MD | 2019 |
| Yaritza Siejack | 1083594667 | Mental Health Counselor | Bronx, NY | 2025 |
| John Siejak | 1508182254 | Pharmacist | Buffalo, NY | 2010 |
| Ronald Siejak, PT | 1114173887 | Physical Therapist | Ashley, PA | 2008 |
| Teresa Siejak | 1336543750 | Case Manager/Care Coordinator | Bowmansville, NY | 2014 |
| Camille Siejka | 1295911857 | Pharmacist | Niagara Falls, NY | 2008 |
| Jacqueline Siejka | 1508271214 | Surgical Physician Assistant | Amherst, NY | 2014 |
| Neal Siejka, PA-C | 1932513991 | Surgical Physician Assistant | Buffalo, NY | 2014 |
| Stephen Siejka, PT | 1881145068 | Physical Therapist | Cleveland, OH | 2016 |
| Thomas Siejka, RPH | 1063699676 | Pharmacist | Buffalo, NY | 2008 |
| Arthur Siek, M.D. | 1326223801 | Hospitalist Physician | Olympia, WA | 2008 |
| Beth Siek, PSY.D. | 1265581607 | Clinical Psychologist | Tampa, FL | 2007 |
| Gordon Siek, PHD | 1730705476 | Clinical Laboratory Director (Non-physician) | Belmont, MA | 2020 |
| Heather Siek, PSY.D. | 1407279839 | Professional Counselor | Moorhead, MN | 2014 |
| Jennifer Siek, RPH | 1477156297 | Pharmacist | Indianapolis, IN | 2020 |
| Krystian Siek | 1982287215 | Physician Assistant | Staten Island, NY | 2021 |
| Mary Siek, LMSW | 1801520283 | Social Worker | New York, NY | 2022 |
| Natalie Siek | 1164313508 | Nurse's Aide | Berea, OH | 2025 |
| Nicole Siek | 1306575055 | Occupational Therapist | Oak Lawn, IL | 2022 |
| Pinett Siek, PHARMD | 1801179742 | Pharmacist | Parkville, MD | 2011 |
| Sheryl Siek, RPH | 1952690018 | Pharmacist | Charlotte, NC | 2011 |
| Vicki Siek, COTA | 1891735593 | Occupational Therapy Assistant | West Des Moines, IA | 2006 |
| Ewelina Sieka, DDS | 1508226887 | Pediatric Dentistry | Brooklyn, NY | 2016 |
| Holly Sieka | 1558818146 | Clinical Social Worker | Neptune, NJ | 2016 |
| Claire Siekaniec, RD | 1760906572 | Registered Dietitian | Murray, UT | 2017 |
| Andrew Siekanowicz, M.D. | 1316969025 | Specialist | Silver Spring, MD | 2006 |
| Lacey Siekas, ARNP | 1760531842 | Nurse Practitioner | Seattle, WA | 2007 |
| Shannon Siekas | 1003222597 | Family Nurse Practitioner | Baxter, MN | 2014 |
| Glenn Siekawitch | 1801507827 | Case Manager/Care Coordinator | Kennewick, WA | 2022 |
| Emily Siekbert | 1053100933 | Case Manager/Care Coordinator | Cincinnati, OH | 2025 |
| Tonya Siekbert | 1942749221 | Counselor | Jacksonville, FL | 2017 |
| Erin Sieke, MD, MS | 1013400134 | Pediatrics Physician | Philadelphia, PA | 2018 |
| Rachel Sieke, MD | 1003340308 | Psychiatry Physician | Shaker Heights, OH | 2017 |
| Grace Sieker | 1417200866 | Occupational Therapist | Chesterfield, MO | 2012 |
| Jakob Sieker, MD | 1730603473 | Anatomic Pathology & Clinical Pathology Physician | Boston, MA | 2017 |
| Jeffrey Sieker, DC | 1578572350 | Chiropractor | King Of Prussia, PA | 2006 |
| Jeremy Sieker, MD | 1174273809 | Critical Care Medicine (Anesthesiology) Physician | Baltimore, MD | 2022 |
| Pamela Sieker | 1114295177 | School Psychologist | Brewster, NY | 2011 |
| Sylvia Sieker, H.I.S. | 1184950768 | Audiologist-Hearing Aid Fitter | Kerrville, TX | 2009 |
| Caitlin Siekerka | 1801350483 | Mental Health Counselor | Westampton, NJ | 2019 |
| Jack Siekerka, D.C. | 1598848566 | Chiropractor | El Cajon, CA | 2006 |
| Robert Siekerka, PHARMD | 1316284854 | Pharmacist | Columbia, IL | 2013 |
| Birgit Siekerkotte, M.D. | 1740285782 | Family Medicine Physician | Torrance, CA | 2005 |
| Michelle Siekerman, RN | 1699357954 | Registered Nurse | Cincinnati, OH | 2021 |
| Rand Siekert, OD | 1902978372 | Optometrist | Tucson, AZ | 2006 |
| Raymond Siekert, PHARM D. | 1427482603 | Pharmacist | Madison, WI | 2013 |
| Sarah Siekert, DNP, FNP-BC | 1831802958 | Family Nurse Practitioner | Wausau, WI | 2023 |
| Fairy Queen Siekierka, AGACNP-BC | 1932985322 | Nurse Practitioner | Detroit, MI | 2023 |
| John Siekierka, DO | 1134175292 | Emergency Medicine Physician | Marlton, NJ | 2006 |
| Marisa Siekierka, PA-C | 1578688362 | Medical Physician Assistant | Scranton, PA | 2007 |
| Becky Siekierski, PHD, LSSP, NCSP | 1174962476 | Clinical Child & Adolescent Psychologist | Houston, TX | 2013 |
| Constance Siekierski, MSN, APRN, FNP-BC | 1518524628 | Family Nurse Practitioner | Hialeah, FL | 2019 |
| Danielle Siekierski, RD | 1538506217 | Registered Dietitian | Springfield, VA | 2013 |
| Emma Siekierski | 1780574848 | Athletic Trainer | Davison, MI | 2025 |
| Jessica Siekierski | 1285518431 | Personal Care Attendant | Las Vegas, NV | 2025 |
| Mark Siekierski | 1043938707 | Clinical Social Worker | Batavia, IL | 2022 |
| Susan Siekierski, PT | 1366518425 | Physical Therapist | Indianapolis, IN | 2006 |
| Ann Siekkinen, LICSW | 1275357238 | Clinical Social Worker | Coon Rapids, MN | 2024 |
| Ellen Siekkinen, NP | 1063345528 | Family Nurse Practitioner | Hibbing, MN | 2026 |
| Eric Siekkinen, R.PH. | 1861483679 | Pharmacist | Danville, OH | 2005 |
| Jennifer Siekkinen | 1215581434 | Behavior Analyst | Winter Garden, FL | 2019 |
| Matthew Siekkinen, LCSW | 1003308768 | Clinical Social Worker | Greencastle, IN | 2018 |
| Megan Siekkinen, MA, CCC-SLP | 1487062246 | Speech-Language Pathologist | Morton Grove, IL | 2014 |
| Wanda Siekkinen, Ms Cdca, M.S., CDCA | 1952948325 | Addiction (Substance Use Disorder) Counselor | Austintown, OH | 2019 |
| Kara Sieklucki, M.S. EDUCATION | 1841554128 | Specialist | East Islip, NY | 2012 |
| Kimberly Sieklucki | 1205258084 | Counseling Psychologist | Portage, MI | 2014 |
| Susan Sieklucki, OTRL | 1891316691 | Occupational Therapist | Kalamazoo, MI | 2020 |
| Aileen Siekman | 1275519563 | Internal Medicine Physician | St Louis Park, MN | 2005 |
| Grace Siekman, P.A.-C | 1316032683 | Physician Assistant | Sun City, AZ | 2006 |
| Grace Siekman, MSW | 1710410956 | Clinical Social Worker | Niles, MI | 2017 |
| Katelyn Siekman, OTD, OTR/L | 1568252930 | Occupational Therapist | Cedarburg, WI | 2025 |
| Neil Siekman, MD | 1265851364 | Internal Medicine Physician | Wilmington, NC | 2014 |
| Shelly Siekman | 1578242434 | Behavior Technician | Southfield, MI | 2023 |
| Abigail Siekmann | 1134911878 | Behavior Technician | Tucson, AZ | 2025 |
| Erin Siekmann | 1073157277 | Behavior Technician | San Bruno, CA | 2019 |
| John Siekmann, DDS | 1336240191 | Dentist | Gurnee, IL | 2006 |
| Kaitlyn Siekmann, CNP | 1568961795 | Nurse Practitioner | Columbus, OH | 2018 |
| Sydney Siekmann | 1306565775 | Student in an Organized Health Care Education/Training Program | Metairie, LA | 2022 |
| Tyler Siekmann, MD | 1457856015 | Emergency Medicine Physician | Charlotte, NC | 2018 |
| Peter Siekmeier, M.D. | 1477590156 | Psychiatry Physician | Belmont, MA | 2006 |
| Yonathan Siekwandy | 1275349474 | Physical Therapy Assistant | West Palm Beach, FL | 2024 |
| Alexandra Siel | 1346993607 | Mental Health Counselor | Neligh, NE | 2022 |
| Christian Siel | 1467388827 | Mental Health Counselor | Portland, OR | 2026 |
| Hannah Siel, MD | 1821653494 | Family Medicine Physician | Omaha, NE | 2019 |
| Jacob Siel, PHARMD, RPH | 1982234316 | Pharmacist | Omaha, NE | 2020 |
| Janet Siel, MD | 1093873366 | Internal Medicine Physician | Glenview, IL | 2006 |
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).