NPPES file of Aug 9, 2026

Doctors and health care providers in Grand Rapids, MI

18,005 individual NPPES records list a practice address in Grand Rapids, 3rd of 515 Michigan cities. The largest group is behavior technician: 1,849, 10% of the city's records, against 22% across Michigan. Page 198 of 361.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Grand Rapids

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Grand Rapids in Michigan

  • Rank in Michigan3rd of 515 cities by records
  • Share of the state6.3% of Michigan's records
  • Specialties present25 or more taxonomy codes
  • Top three groups25.4% of all records
  • Behavior Technician rank3rd of the 10 Michigan cities with the most

Compared with Michigan as a whole, Grand Rapids has 6.3× the state's share of personal care attendant records and 0.46× its share of behavior technician records.

Providers in Grand Rapids, alphabetically

  1. David Markham, LPC, CAADC, CCSProfessional Counselor1053763649
  2. Kathryn Markham, DOPediatrics Physician1962254540
  3. Madison Markham, LLMSWBehavior Technician1962134387
  4. Nicole Markiewicz, NPFamily Nurse Practitioner1073997698
  5. Jennifer Marklevitz, NPGerontology Nurse Practitioner1750923843
  6. Kristy MarkowskiCase Manager/Care Coordinator1306779350
  7. Louis Marks, M.D.Hematology (Internal Medicine) Physician1588660468
  8. Peter Marks, MDObstetrics & Gynecology Physician1811991581
  9. Diane Marlin, LBSWSocial Worker1629107610
  10. Nathan Marlowe, PA-CPhysician Assistant1841829033
  11. Leroy Marmion, MDSleep Medicine (Psychiatry & Neurology) Physician1548207947
  12. Brenda Marogil, PAInternal Medicine Physician1669966677
  13. Jospeh Marogil, M.D.Surgery Physician1285662833
  14. Medardo Maroto, M.D.Orthopaedic Surgery Physician1700045317
  15. Kelly Marouchoc, BSCase Manager/Care Coordinator1720134661
  16. Stacey Marquee, MAClinical Psychologist1831399914
  17. Alexa Paulina Marquez, DOMaternal & Fetal Medicine Physician1275028003
  18. Jennifer MarquezCase Manager/Care Coordinator1568193365
  19. Jordan Marquez, DOPediatrics Physician1265137962
  20. Lydia Marquez, M.D.Psychiatry Physician1497771067
  21. William Marquis, M.D.Urology Physician1962437327
  22. Frank Marre, DO, MS FAOCOPMPublic Health & General Preventive Medicine Physician1861510158
  23. Justice MarreroBehavior Technician1023820057
  24. Venus MarreroBehavior Technician1366221046
  25. Alyssa MarrisonBehavior Technician1780452490
  26. Alyssa Marsh, DDSGeneral Practice Dentistry1942992904
  27. Claire Marsh, DPTPhysical Therapist1386520625
  28. Jeffrey Marsh, LMSWClinical Social Worker1598114936
  29. Amy Marsh Sullivan, M.A., LPCProfessional Counselor1841526506
  30. Abbie MarshallBehavior Technician1922572239
  31. Aurelias MarshallBehavior Technician1699663500
  32. David Marshall, LPCProfessional Counselor1023116324
  33. David Marshall, MDPsychiatry Physician1508387598
  34. Katrina MarshallPharmacist1174200430
  35. Shayan Marsia, MDNeurology Physician1326728122
  36. Gary Marsiglia, D.O.Family Medicine Physician1487618666
  37. Julie Marsman, LMSWClinical Social Worker1871862102
  38. Lisa MarsmanSocial Worker1871351718
  39. Sidney MarsmanCase Manager/Care Coordinator1205792686
  40. Luke Marsy, LMSWClinical Social Worker1740759364
  41. Mary Martell, DPTPhysical Therapist1376328914
  42. Mallory Martens, PAMedical Physician Assistant1629433172
  43. Sandra MartensPersonal Care Attendant1225864994
  44. Vaughan MartensBehavior Technician1457976797
  45. Nancy Marthakis, DOInternal Medicine Physician1780946236
  46. Candice Marthaler, OTRLOccupational Therapist1720974124
  47. Alex Martin, D.O.Diagnostic Radiology Physician1083094676
  48. Alexander MartinCertified Registered Nurse Anesthetist1437600012
  49. Amanda Martin, LMSWClinical Social Worker1861847089
  50. Andrea Martin, LMSWClinical Social Worker1164867990

The largest Michigan cities

  1. Farmington Hills36,305
  2. Detroit19,832
  3. Ann Arbor15,616
  4. Novi7,641
  5. Kalamazoo6,553

All of Michigan →

How to read this directory

Grand Rapids, Michigan appears in the CMS National Plan and Provider Enumeration System with 18,005 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Grand Rapids - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Grand Rapids practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Grand Rapids is weighted toward Behavior Technician (1,849 clinicians, followed by Clinical Social Worker with 1,604 and Social Worker with 1,121). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Michigan's population, Grand Rapids reports roughly 179.4 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of Michigan's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Grand Rapids practice address, a coverage gap Grand Rapids patients typically fill by traveling to a larger nearby hub.

For Grand Rapids patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Grand Rapids, MI?

There are 18,005 registered healthcare providers in Grand Rapids, MI, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Grand Rapids?

The most common specialties in Grand Rapids are Behavior Technician, Clinical Social Worker, Social Worker, Physician Assistant, Personal Care Attendant. Behavior Technician has the most providers with 1,849.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.