Providers Daelyn Barker to James Barker, DC, MS
300 individual NPIs in the federal registry, part 1,359 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. 80 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Daelyn Barker | 1902766371 | Personal Care Attendant | Papillion, NE | 2025 |
| Daijeni Barker | 1225618705 | Behavior Technician | Elk Grove, CA | 2021 |
| Dale Barker, DDS | 1861561508 | Endodontics | Gresham, OR | 2006 |
| Dale Barker, RPH | 1962702753 | Pharmacist | Citrus Heights, CA | 2010 |
| Dana Barker, RN | 1053620393 | Registered Nurse | Barnwell, SC | 2010 |
| Dana Barker, LCSW | 1386278075 | Clinical Social Worker | Cheshire, CT | 2020 |
| Dana Barker | 1811032154 | Developmental Therapist | Cape Coral, FL | 2007 |
| Daniel Barker, MD | 1023277860 | Otolaryngology Physician | Cleveland, TN | 2008 |
| Daniel Barker | 1134653975 | Athletic Trainer | McMechen, WV | 2017 |
| Daniel Barker, MSW | 1336979806 | Social Worker | Lebanon, OR | 2024 |
| Daniel Barker, LMT | 1346005501 | Massage Therapist | Cape Coral, FL | 2024 |
| Daniel Barker | 1477577252 | Phlebotomy Technician | Cape Coral, FL | 2006 |
| Daniel Barker, M.D. | 1538480116 | Internal Medicine Physician | Boston, MA | 2010 |
| Daniel Barker, M.D. | 1588013858 | Emergency Medicine Physician | Biloxi, MS | 2016 |
| Daniel Barker, PA-C | 1740574565 | Physician Assistant | Montoursville, PA | 2011 |
| Daniel Barker, DPT | 1972167336 | Physical Therapist | Southbury, CT | 2019 |
| Danielle Barker | 1225833601 | Behavior Technician | Portage, IN | 2025 |
| Danielle Barker, LPC | 1588176820 | Professional Counselor | Owasso, OK | 2017 |
| Danielle Barker, NP | 1750902474 | Nurse Practitioner | Frankfort, IL | 2020 |
| Danielle Barker, APRN-CNP | 1902685084 | Family Nurse Practitioner | Huntington, WV | 2023 |
| Daren Barker, MD | 1194957902 | Family Medicine Physician | Portsmouth, OH | 2009 |
| Darlene Barker | 1992412399 | Peer Specialist | Toms River, NJ | 2022 |
| Darrell Barker, M.D. | 1518152206 | Gastroenterology Physician | Fort Gordon, GA | 2007 |
| Darren Barker, APRN | 1033755145 | Family Nurse Practitioner | Ashland, KY | 2019 |
| Darren Barker, OT | 1649905191 | Occupational Therapist | Ogden, UT | 2022 |
| David Barker, MD | 1053343079 | Urology Physician | Shelby, NC | 2006 |
| David Barker, MD | 1104801216 | Obstetrics & Gynecology Physician | Chattanooga, TN | 2005 |
| David Barker, PH.D. | 1194081083 | Clinical Child & Adolescent Psychologist | Providence, RI | 2012 |
| David Barker, MD | 1265434567 | Physical Medicine & Rehabilitation Physician | Wyandotte, MI | 2005 |
| David Barker, MD | 1275533341 | Diagnostic Radiology Physician | Pittsburgh, PA | 2005 |
| David Barker, M.D. | 1306870993 | Infectious Disease Physician | Chicago, IL | 2006 |
| David Barker | 1356646947 | Clinical Social Worker | Buffalo, NY | 2011 |
| David Barker, RRA | 1356823066 | Radiology Practitioner Assistant | Ashland, KY | 2018 |
| David Barker, LPC | 1386858728 | Professional Counselor | Rock Springs, WY | 2007 |
| David Barker, M.D. | 1396159042 | Anesthesiology Physician | Houston, TX | 2014 |
| David Barker, PHARMD | 1417384579 | Pharmacist | Jerome, ID | 2013 |
| David Barker, LPT | 1477626554 | Licensed Psychiatric Technician | Santa Barbara, CA | 2006 |
| David Barker, O.D. | 1558525691 | Optometrist | Whitesburg, KY | 2008 |
| David Barker, C.R.N.A. | 1760421838 | Certified Registered Nurse Anesthetist | Longview, TX | 2006 |
| David Barker, M.D. | 1841347572 | Plastic and Reconstructive Surgery Physician | Renton, WA | 2007 |
| David Barker, M.S. | 1942231170 | Professional Counselor | Overland Park, KS | 2006 |
| Dawn Barker, D.O. | 1982080255 | Family Medicine Physician | Springfield, MO | 2015 |
| Dean Barker, RPH | 1023283876 | Pharmacist | Carson City, MI | 2008 |
| Deanna Barker | 1124994876 | Personal Care Attendant | Omaha, NE | 2025 |
| Deaughna Barker | 1235965435 | Mental Health Counselor | Everett, WA | 2024 |
| Debbie Barker | 1740811967 | Case Manager/Care Coordinator | Newark, OH | 2020 |
| Deborah Barker, PT | 1659573277 | Physical Therapist | Euclid, OH | 2007 |
| Deborah Barker, DDS | 1821174491 | General Practice Dentistry | Skokie, IL | 2006 |
| Deborah Barker | 1871271437 | Health & Wellness Coach | Mc Murray, PA | 2023 |
| Debra Barker, RN | 1184217531 | Case Manager/Care Coordinator | Ripley, WV | 2021 |
| Debra Barker, FNP | 1316272057 | Family Nurse Practitioner | Fayetteville, AR | 2009 |
| Debra Barker, MA | 1558453191 | Clinical Social Worker | Fort Wayne, IN | 2006 |
| Debra Barker, PTA | 1801243936 | Physical Therapy Assistant | Oxford, FL | 2016 |
| Debra Barker, DDS | 1811074248 | General Practice Dentistry | Plaquemine, LA | 2006 |
| Debra Barker, LPN, CCE, CLE | 1861999120 | Licensed Practical Nurse | Olympia, WA | 2018 |
| Dee Anne Barker, CCC | 1154667145 | Speech-Language Pathologist | Santa Barbara, CA | 2012 |
| Demisha Barker | 1609395680 | Case Manager/Care Coordinator | Oakland, CA | 2017 |
| Dena Barker, PT | 1033243233 | Physical Therapist | Albany, NY | 2007 |
| Dena Barker, APRN, FNP-C | 1124403977 | Family Nurse Practitioner | Chapmanville, WV | 2015 |
| Denella Barker | 1871250100 | Doula | Roseville, MI | 2021 |
| Denise Barker, D.PH. | 1487827903 | Pharmacist | Knoxville, TN | 2008 |
| Dennis Barker | 1013528215 | Physical Therapy Assistant | Philadelphia, PA | 2020 |
| Dennis Barker, D.D.S. | 1124227194 | Dentist | Laguna Niguel, CA | 2007 |
| Dennis Barker, D.C. | 1477640209 | Chiropractor | Walnut Creek, CA | 2006 |
| Derek Barker, D.P.M | 1649408998 | Foot & Ankle Surgery Podiatrist | Claxton, GA | 2009 |
| Derek Barker, PHARMD | 1801586128 | Pharmacist | Jefferson City, MO | 2023 |
| Derek Barker, M.D. | 1982662847 | Retina Specialist (Ophthalmology) Physician | Columbia, SC | 2006 |
| Desirae Barker, MA92872 | 1740118876 | Massage Therapist | Fort Myers, FL | 2026 |
| Desmond Barker | 1245807320 | Student in an Organized Health Care Education/Training Program | Cambridge, MA | 2021 |
| Destinee Barker, LCSW | 1447907621 | Clinical Social Worker | Maryville, TN | 2022 |
| Destini Barker | 1356237234 | Nurse's Aide | Cleveland, OH | 2025 |
| Destini Barker | 1902624828 | Athletic Trainer | Conway, AR | 2024 |
| Destiny Barker | 1457023780 | Home Health Aide | Washington, DC | 2021 |
| Detisha Barker | 1750272795 | Day Training/Habilitation Specialist | Lancaster, CA | 2025 |
| Dewayne Barker, BS | 1588831051 | Case Manager/Care Coordinator | Oklahoma City, OK | 2008 |
| Diana Barker | 1821459983 | Developmental Therapist | Newport News, VA | 2016 |
| Diane Barker, CCC/SLP | 1184888489 | Speech-Language Pathologist | Greensboro, NC | 2008 |
| Diane Barker, OT | 1851651640 | Occupational Therapist | Albany, OR | 2012 |
| Dianna Barker, LPN | 1225304538 | Licensed Practical Nurse | Euclid, OH | 2012 |
| Dianna Barker, APRN | 1316929664 | Obstetrics & Gynecology Nurse Practitioner | Danville, KY | 2005 |
| Dianne Barker, LMP | 1538384938 | Massage Therapist | Vancouver, WA | 2007 |
| Dillon Barker | 1891653572 | Athletic Trainer | Spring Hill, KS | 2026 |
| Djuna Barker | 1194177626 | Other Technician | Hamtramck, MI | 2016 |
| Dominae Barker, RBT | 1437834207 | Behavior Technician | Tampa, FL | 2023 |
| Dominic Barker, DDS | 1275376048 | General Practice Dentistry | Kansas City, MO | 2024 |
| Dominique Barker | 1184233603 | Counselor | Buffalo, NY | 2020 |
| Dominique Barker, LCSW | 1548121072 | Clinical Social Worker | Gainesville, FL | 2025 |
| Donald Barker, M.D. | 1164416707 | Surgery Physician | Chattanooga, TN | 2005 |
| Donald Barker, CRNA | 1225104433 | Certified Registered Nurse Anesthetist | Union City, TN | 2006 |
| Donald Barker, M.D. | 1497841522 | Psychiatry Physician | Jamaica Plain, MA | 2006 |
| Donald Barker | 1619562360 | Behavior Technician | Waipahu, HI | 2021 |
| Donna Barker, MS, ANP-C, ONC, RN-C | 1154454601 | Adult Health Nurse Practitioner | Hoffman Estates, IL | 2007 |
| Donna Barker | 1346111341 | Personal Care Attendant | Harrison, NE | 2025 |
| Donna Barker, R.N. | 1366635450 | School Registered Nurse | Nashville, TN | 2007 |
| Donna Barker, LMHC | 1639136708 | Mental Health Counselor | Elwood, IN | 2006 |
| E Barker, LCSW | 1073824124 | Clinical Social Worker | Denver, CO | 2010 |
| Eboney Barker, LMSW | 1992224901 | Clinical Social Worker | Independence, MO | 2017 |
| Edward Barker, CRNA | 1194775924 | Certified Registered Nurse Anesthetist | Meridian, MS | 2006 |
| Edward Barker, M.D. | 1508918947 | Legal Medicine | Seattle, WA | 2007 |
| Eileen Barker, LPC | 1265641922 | Professional Counselor | Littleton, CO | 2007 |
| Elaysia Barker, AAC | 1225751001 | Counselor | Longview, WA | 2022 |
| Elena Barker | 1326573577 | Behavior Technician | Seattle, WA | 2017 |
| Elisa Barker, PHARMD | 1205535580 | Pharmacist | Oxnard, CA | 2023 |
| Elisabeth Barker, PHARMD | 1962125401 | Pharmacist | Bothell, WA | 2022 |
| Elizabeth Barker, PH.D. | 1033584883 | School Psychologist | Portland, ME | 2015 |
| Elizabeth Barker, ATC | 1174102743 | Athletic Trainer | Hill City, SD | 2021 |
| Elizabeth Barker, MD | 1174218762 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2023 |
| Elizabeth Barker | 1225815384 | Behavior Technician | Winchester, CA | 2023 |
| Elizabeth Barker, PHD, APRN,BC | 1275753584 | Family Nurse Practitioner | Columbus, OH | 2007 |
| Elizabeth Barker | 1356165831 | Advanced Practice Midwife | Sylva, NC | 2024 |
| Elizabeth Barker, LMFT | 1386034262 | Marriage & Family Therapist | Davidson, NC | 2015 |
| Elizabeth Barker, MS | 1417384181 | Professional Counselor | North Liberty, IA | 2013 |
| Elizabeth Barker, NP | 1659736437 | Family Nurse Practitioner | Herscher, IL | 2015 |
| Elizabeth Barker, COTA | 1730315847 | Occupational Therapy Assistant | San Antonio, TX | 2009 |
| Elizabeth Barker, PA-C | 1760751556 | Physician Assistant | Richmond, VA | 2011 |
| Elizabeth Barker, MFT | 1780815282 | Marriage & Family Therapist | Reno, NV | 2009 |
| Elizabeth Barker, ASW | 1912871468 | Clinical Social Worker | Kingsburg, CA | 2025 |
| Ellen Barker, R.N., C.P.N.P. | 1154474567 | Registered Nurse | Vienna, VA | 2007 |
| Ellie Barker, MD | 1972956860 | Family Medicine Physician | Marquette, MI | 2016 |
| Elyse Barker, MSW | 1326332644 | Counselor | Moodus, CT | 2011 |
| Elyse Barker | 1447124656 | Behavior Technician | College Station, TX | 2025 |
| Emelia Barker, LPN | 1043466485 | Licensed Practical Nurse | Staten Island, NY | 2008 |
| Emilee Barker | 1053813196 | Physical Therapy Assistant | Payson, UT | 2018 |
| Emily Barker | 1104794387 | Behavior Technician | Colorado Springs, CO | 2025 |
| Emily Barker | 1124681333 | Counselor | Taylorsville, UT | 2019 |
| Emily Barker, MD | 1194255075 | Obstetrics & Gynecology Physician | Granite City, IL | 2017 |
| Emily Barker, PA-C | 1215306196 | Physician Assistant | Salinas, CA | 2015 |
| Emily Barker, RBT | 1225998099 | Behavior Technician | Newport News, VA | 2025 |
| Emily Barker, LPCC | 1255976429 | Professional Counselor | Columbus, OH | 2019 |
| Emily Barker | 1386530905 | Personal Care Attendant | Charleston, WV | 2025 |
| Emily Barker, M.A., CF-SLP | 1396422382 | Speech-Language Pathologist | Fishers, IN | 2023 |
| Emily Barker | 1396593612 | Child & Adolescent Psychiatric/Mental Health Registered Nurse | Danvers, MA | 2024 |
| Emily Barker, APRN, DNP, PMHNP-BC | 1447658851 | Psychiatric/Mental Health Nurse Practitioner | Bloomington, IL | 2014 |
| Emily Barker | 1487245262 | Behavior Technician | Lakewood, CO | 2021 |
| Emily Barker, M.D., P.A. | 1497950299 | Internal Medicine Physician | Nashville, TN | 2007 |
| Emily Barker | 1588405609 | Speech-Language Pathologist | Boca Raton, FL | 2024 |
| Emily Barker, R.D. | 1689062796 | Registered Dietitian | Grinnell, IA | 2014 |
| Emily Barker, PHARMD. | 1699108811 | Pharmacist | Memphis, TN | 2013 |
| Emily Barker | 1700500634 | Community Health Worker | Jacobsburg, WV | 2022 |
| Emily Barker, BSN, MSN, CPNP | 1780901884 | Pediatric Nurse Practitioner | Southlake, TX | 2010 |
| Emily Barker, PA-C | 1992245062 | Physician Assistant | Medina, OH | 2017 |
| Emma Barker | 1083201529 | Occupational Therapy Assistant | Bristol, RI | 2020 |
| Emma Barker, PA-C | 1407671019 | Physician Assistant | Methuen, MA | 2024 |
| Emma Barker | 1598681116 | Case Manager/Care Coordinator | Grand Rapids, MI | 2026 |
| Emma Barker, PA-C | 1700609583 | Physician Assistant | Harrisonburg, VA | 2024 |
| Eran Barker, SUDRC 12517 | 1790276731 | Addiction (Substance Use Disorder) Counselor | Diamond Springs, CA | 2018 |
| Eric Barker | 1265721096 | Massage Therapist | University Park, FL | 2011 |
| Eric Barker, M.D. | 1427357870 | Psychiatry Physician | Logan, UT | 2011 |
| Eric Barker, RPH | 1639176696 | Psychiatric Pharmacist | Indianapolis, IN | 2005 |
| Eric Barker, M.D. | 1821436049 | Plastic Surgery Physician | Glendale, CO | 2013 |
| Eric Barker, D.C. | 1861452559 | Chiropractor | Dayton, OH | 2006 |
| Eric Barker | 1871724542 | Professional Counselor | Louisa, KY | 2009 |
| Erica Barker | 1144535733 | Occupational Therapist | Charleston, WV | 2010 |
| Erica Barker | 1417252271 | Case Manager/Care Coordinator | North Port, FL | 2011 |
| Erica Barker | 1538082185 | Speech-Language Pathologist | Indianapolis, IN | 2026 |
| Erica Barker | 1649128026 | Radiologic Technologist | Chillicothe, OH | 2026 |
| Erica Barker, M.A., CCC-SLP | 1861891202 | Speech-Language Pathologist | Williamsburg, MI | 2014 |
| Erica Barker, PSY.D. | 1932554367 | Clinical Psychologist | Fairfield, OH | 2016 |
| Erin Barker, SST | 1285330803 | Social Worker | Ann Arbor, MI | 2023 |
| Erin Barker, M.D. | 1386956167 | Pediatrics Physician | Saint Louis, MO | 2010 |
| Erin Barker, LCDP, CADC | 1548467574 | Counselor | Newark, DE | 2007 |
| Erin Barker, FNP | 1740672831 | Family Nurse Practitioner | Bangor, ME | 2015 |
| Erin Barker, PA-C | 1881246106 | Physician Assistant | Ketchum, ID | 2019 |
| Erin Barker, CCC-SLP | 1982194965 | Speech-Language Pathologist | Bethany, IL | 2018 |
| Erinn Barker, DPT | 1457705881 | Physical Therapist | Henderson, NV | 2016 |
| Esmond Barker, MD | 1568469377 | Cardiovascular Disease Physician | Lafayette, LA | 2005 |
| Essica Barker | 1225624380 | Personal Care Attendant | Danville, WV | 2020 |
| Ethan Barker, DPT | 1235014093 | Physical Therapist | South Kingstown, RI | 2025 |
| Ethan Barker | 1750140299 | Behavior Technician | Glendale, CA | 2024 |
| Eugene Barker | 1275129090 | Personal Care Attendant | Charleston, WV | 2020 |
| Evan Barker, MT | 1073347183 | Massage Therapist | Ventura, CA | 2024 |
| Eve Barker, MD | 1013363894 | Family Medicine Physician | Yakima, WA | 2016 |
| Evelyn Barker | 1326654922 | Massage Therapist | Livonia, MI | 2020 |
| Evelyn Barker | 1538014204 | Behavior Technician | Lutz, FL | 2026 |
| Felicia Barker | 1336026970 | Home Health Aide | Wichita, KS | 2025 |
| Felix Barker, OD | 1689683070 | Optometrist | Philadelphia, PA | 2006 |
| Fern Barker, C.M.T., B.A. | 1780006650 | Massage Therapist | Conifer, CO | 2014 |
| Fizura Barker | 1790125300 | Rehabilitation Counselor | Santa Barbara, CA | 2013 |
| Floyd Barker, D.O | 1417932914 | Family Medicine Physician | Mountain City, TN | 2005 |
| Frances Barker, LDO | 1396171567 | Optician | Dunlap, TN | 2013 |
| Frank Barker | 1275959819 | Addiction (Substance Use Disorder) Counselor | San Jose, CA | 2014 |
| Fred Barker, LPC | 1376770438 | Professional Counselor | Wentzville, MO | 2009 |
| Frederick Barker, MD | 1649244344 | Neurological Surgery Physician | Boston, MA | 2006 |
| Frederick Barker, MD | 1801868815 | Surgery Physician | Bluefield, VA | 2006 |
| Gabriella Barker | 1568341808 | Social Worker | Cleveland, OH | 2025 |
| Gail Barker, GAIL BARKER, LCPC | 1104065465 | Professional Counselor | Boise, ID | 2009 |
| Gail Barker, M.D. | 1407908965 | Psychiatry Physician | Cincinnati, OH | 2007 |
| Gale Barker, RPH | 1710225875 | Pharmacist | Lithia, FL | 2013 |
| Galton Barker, PTA | 1962834382 | Physical Therapy Assistant | Boscobel, WI | 2013 |
| Garra Barker, LCSW | 1447105887 | Clinical Social Worker | Lexington, KY | 2026 |
| Garrett Barker, DDS | 1407027089 | General Practice Dentistry | Olympia, WA | 2008 |
| Gary Barker, O.D. | 1235116468 | Optometrist | Winter Park, FL | 2005 |
| Gary Barker | 1326575978 | Physical Therapist | Baton Rouge, LA | 2017 |
| Gary Barker | 1386759629 | Family Medicine Physician | Hartsville, SC | 2006 |
| Gary Barker, DDS | 1427068469 | General Practice Dentistry | Cadiz, OH | 2006 |
| Gary Barker, DMD | 1497965685 | Dentist | Pooler, GA | 2007 |
| Gary Barker, M.D. | 1629178587 | Urology Physician | Loma Linda, CA | 2006 |
| Gary Barker, D.C. | 1710920004 | Chiropractor | Portland, TN | 2006 |
| Gary Barker, RPH | 1760747653 | Pharmacist | Bismarck, ND | 2012 |
| Gary Barker, DMD | 1780709071 | Dentist | Pasadena, MD | 2007 |
| Gary Barker, MA LPCC | 1861533564 | Professional Counselor | Owensboro, KY | 2007 |
| Gayla Barker, APRN | 1699151142 | Nurse Practitioner | Oklahoma City, OK | 2015 |
| Gaytri Barker, PSY.D. | 1053817197 | Clinical Psychologist | Oak Ridge, NC | 2018 |
| Gea Barker, LMT | 1942590575 | Mechanotherapist | Saint Helens, OR | 2011 |
| Geena Barker | 1346113412 | Mental Health Counselor | Astoria, OR | 2025 |
| Gemma Barker | 1053824300 | Behavior Analyst | Bellevue, WA | 2017 |
| Geoffrey Barker | 1730803347 | Behavior Technician | Orange, CA | 2022 |
| George Barker, MD PHD | 1245221696 | Pulmonary Disease Physician | Fort Wayne, IN | 2005 |
| George Barker, MD | 1285728246 | Obstetrics & Gynecology Physician | McMinnville, OR | 2006 |
| George Barker | 1760183495 | Clinical Social Worker | Wellington, FL | 2023 |
| Gerald Barker, M.D. | 1366411498 | Family Medicine Physician | Cottage Grove, OR | 2006 |
| Gerald Barker, MD | 1407850027 | Obstetrics & Gynecology Physician | Cedar Rapids, IA | 2005 |
| Gerald Barker, MHT | 1730720897 | Behavior Technician | Fairbanks, AK | 2019 |
| Gina Barker, CRNA | 1124112693 | Certified Registered Nurse Anesthetist | Frankfort, KY | 2006 |
| Gina Barker | 1417581489 | Professional Counselor | Myrtle Beach, SC | 2020 |
| Ginger Barker, LAC | 1659040756 | Professional Counselor | Tucson, AZ | 2021 |
| Glen Barker, DC | 1861693624 | Chiropractor | Maitland, FL | 2007 |
| Gloria Barker | 1063114569 | Personal Care Attendant | Whitesville, WV | 2023 |
| Gloria Barker, CNS, APRN, BC | 1538152251 | Counselor | Elkhart, IN | 2005 |
| Grace Barker | 1073469714 | Physician Assistant | Little Rock, AR | 2026 |
| Grace Barker | 1639678444 | Pharmacist | Asheville, NC | 2018 |
| Grant Barker | 1023574373 | Chiropractor | Edgewater, FL | 2019 |
| Grant Barker | 1477013555 | Emergency Medicine Physician | Jacksonville, FL | 2019 |
| Greer Barker | 1568254415 | Behavior Technician | Eagle, ID | 2025 |
| Gregory Barker | 1003081308 | Pediatric Cardiology Physician | Fort Worth, TX | 2008 |
| Gregory Barker, OD | 1093785289 | Optometrist | Mebane, NC | 2006 |
| Gregory Barker, DPT | 1174585343 | Physical Therapist | Ashton, ID | 2006 |
| Gregory Barker, PH.D. | 1205937158 | Psychologist | Rhinebeck, NY | 2006 |
| Greta Barker, APRN | 1134504087 | Family Nurse Practitioner | Georgetown, KY | 2015 |
| Gretchen Barker, R.N. | 1992117709 | Registered Nurse | Walhalla, SC | 2014 |
| Hailey Barker, DPT | 1093510612 | Physical Therapist | Modesto, CA | 2025 |
| Haleigh Barker, DC | 1609558477 | Chiropractor | Blue Springs, MO | 2023 |
| Haley Barker | 1427839471 | Case Manager/Care Coordinator | Dublin, OH | 2023 |
| Haley Barker, MD | 1578266300 | Student in an Organized Health Care Education/Training Program | Charlottesville, VA | 2023 |
| Haley Barker, MD | 1588243919 | Emergency Medicine Physician | Jacksonville, FL | 2021 |
| Haley Barker, ARNP | 1598427619 | Family Nurse Practitioner | Freeland, WA | 2021 |
| Haley Barker | 1881379279 | Assistant Behavior Analyst | Lyons, MI | 2023 |
| Haley Barker | 1902792971 | Case Manager/Care Coordinator | Hot Springs, AR | 2025 |
| Hannah Barker, PA-C | 1174217954 | Physician Assistant | Columbus, OH | 2023 |
| Hannah Barker | 1376062596 | Social Worker | Ogden, UT | 2017 |
| Hannah Barker | 1508447970 | Optometrist | Indianapolis, IN | 2021 |
| Hannah Barker | 1548035025 | Home Health Aide | Ashford, WV | 2023 |
| Hannah Barker, LMT | 1720651334 | Massage Therapist | Windsor, CO | 2021 |
| Hannah Barker, RD, LDN | 1881090371 | Registered Dietitian | Silver Spring, MD | 2014 |
| Hannah Barker | 1972377182 | Social Worker | Denver, CO | 2023 |
| Harolynn Barker | 1487214839 | Licensed Vocational Nurse | Houston, TX | 2019 |
| Harvey Barker, PH.D. | 1023195567 | Mental Health Counselor | Blacksburg, VA | 2006 |
| Hayley Barker | 1730821877 | Student in an Organized Health Care Education/Training Program | Philadelphia, PA | 2022 |
| Haylie Barker | 1245172212 | Counselor | Barboursville, WV | 2026 |
| Heath Barker | 1477781284 | Case Manager/Care Coordinator | Salem, OR | 2009 |
| Heather Barker | 1023994332 | Clinical Psychologist | Wyoming, MI | 2025 |
| Heather Barker, PLPC | 1144319054 | Mental Health Counselor | St Charles, MO | 2006 |
| Heather Barker | 1326865916 | Day Training/Habilitation Specialist | Batesville, AR | 2024 |
| Heather Barker | 1396614863 | Behavior Technician | Franklin, TN | 2025 |
| Heather Barker, DMD | 1427279843 | General Practice Dentistry | Easley, SC | 2007 |
| Heather Barker, MD | 1508122946 | Anatomic Pathology & Clinical Pathology Physician | Panama City, FL | 2012 |
| Heather Barker, BCBA | 1568759033 | Behavior Analyst | Rancho Cucamonga, CA | 2011 |
| Heather Barker | 1720690019 | Clinical Social Worker | Clearfield, PA | 2020 |
| Heather Barker | 1831857192 | Rehabilitation Practitioner | Santa Rosa, CA | 2021 |
| Heidi Barker, D.O. | 1245398437 | Pediatrics Physician | Pace, FL | 2006 |
| Heidi Barker | 1306311238 | Professional Counselor | Torrington, CT | 2018 |
| Heidi Barker, NNP-BC | 1851720510 | Critical Care Neonatal Nurse Practitioner | Colorado Springs, CO | 2013 |
| Helaina Barker, PHARM. D. | 1396236709 | Pharmacist | Waterford Township, MI | 2018 |
| Helena Barker, LPC | 1093664450 | Mental Health Counselor | Norfolk, VA | 2026 |
| Hilary Barker, RCSWI | 1316814502 | Clinical Social Worker | Boca Raton, FL | 2025 |
| Hillary Barker | 1518552736 | Behavior Analyst | Pasadena, CA | 2021 |
| Holli Barker | 1710528534 | Behavior Technician | Benbrook, TX | 2019 |
| Holly Barker, MD | 1134322258 | Surgery Physician | Seaside, OR | 2007 |
| Holly Barker | 1730061789 | Mental Health Counselor | Holly Springs, GA | 2025 |
| Hope Barker | 1306537519 | Pharmacy Technician | Hollister, CA | 2023 |
| Howard Barker, MD | 1114998168 | Orthopaedic Surgery Physician | Everett, WA | 2006 |
| Huei-Li Barker, PHARMD | 1770152803 | Oncology Pharmacist | Bakersfield, CA | 2021 |
| I'Nia Barker | 1245126481 | Behavior Technician | Tamarac, FL | 2025 |
| Ian Barker, LMHC | 1629313408 | Mental Health Counselor | Tampa, FL | 2012 |
| Ian Barker | 1629413604 | Podiatrist | Greenville, SC | 2013 |
| Inger Barker, NNP | 1306870340 | Critical Care Neonatal Nurse Practitioner | San Antonio, TX | 2006 |
| Isaac Barker | 1366307803 | Behavior Technician | Merrillville, IN | 2025 |
| Isabella Barker | 1962358473 | Personal Care Attendant | Barboursville, WV | 2026 |
| Isabelle Barker, LAMFT | 1972334233 | Mental Health Counselor | Philadelphia, PA | 2024 |
| Ivy Barker | 1962267583 | Home Health Aide | Ashford, WV | 2024 |
| Jack Barker | 1063861318 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Corvallis, OR | 2016 |
| Jack Barker | 1427706555 | Occupational Therapist | Asheville, NC | 2022 |
| Jacob Barker | 1154906519 | Social Worker | South Salt Lake, UT | 2021 |
| Jacob Barker, DPT | 1396500658 | Physical Therapist | Highlands Ranch, CO | 2024 |
| Jacob Barker, PHARMD | 1669340220 | Oncology Pharmacist | Burlington, VT | 2025 |
| Jacqueline Barker | 1093054223 | Behavior Analyst | North Las Vegas, NV | 2013 |
| Jacy Barker, APRN | 1407281272 | Psychiatric/Mental Health Nurse Practitioner | Wichita, KS | 2013 |
| Jada Barker | 1750020160 | Behavior Analyst | Taylorsville, UT | 2022 |
| Jaime Barker, M.D | 1174668735 | Psychiatry Physician | Sarasota, FL | 2007 |
| Jakaya Barker | 1477318632 | Case Manager/Care Coordinator | Pawhuska, OK | 2024 |
| Jama Barker, PA-C | 1558541243 | Medical Physician Assistant | Huntington, WV | 2007 |
| James Barker, O.D. | 1063409597 | Optometrist | Boone, IA | 2005 |
| James Barker, P.A. | 1154542850 | Physician Assistant | Raleigh, NC | 2007 |
| James Barker | 1184038630 | Basic Emergency Medical Technician | Carrington, ND | 2014 |
| James Barker | 1336818236 | Pharmacist | Monroe, LA | 2021 |
| James Barker, DO | 1437163896 | Family Medicine Physician | Tampa, FL | 2006 |
| James Barker | 1568255180 | Marriage & Family Therapist | Los Angeles, CA | 2025 |
| James Barker, COL, MC, USA, MD | 1700860061 | Military Health Care Provider | Fort Sam Houston, TX | 2005 |
| James Barker, MD | 1750358719 | Pulmonary Disease Physician | Athens, GA | 2006 |
| James Barker, DC, MS | 1770119489 | Chiropractor | Klamath Falls, OR | 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).