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 200 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. Marissa Martz, MDPsychiatry Physician1275063919
  2. Lynn Marutz, RPHPharmacist1487786711
  3. Jessica Marvin, LMSWClinical Social Worker1902507908
  4. Madison MarvinSocial Worker1225929698
  5. Matthew Marvin, MDInternal Medicine Physician1679514731
  6. Rajesh Marwaha, P.T.Physical Therapist1851586382
  7. Ilanit Marx, DNPGerontology Nurse Practitioner1275356628
  8. Melody Marzjarani, DO, MPHEmergency Medicine Physician1730973785
  9. Alexandra MasSocial Worker1750039335
  10. Laura Mascote, PAPhysician Assistant1164317061
  11. Mariah MasellSocial Worker1134673106
  12. Melissa Mashni, MDFamily Medicine Physician1720346695
  13. Tendai Masiriri, LLMSWClinical Social Worker1639291396
  14. John Maskill, MDFamily Medicine Physician1447292461
  15. Lisa Maskill, M.D.Pediatric Orthopaedic Surgery Physician1962611277
  16. Joel Maslow, MDInfectious Disease Physician1659308567
  17. Altagracia MasonDoula1528890035
  18. Christine Mason, D.D.S.General Practice Dentistry1649384058
  19. Joyce MasonBehavior Technician1356958144
  20. Lindsay Mason, CRNACertified Registered Nurse Anesthetist1356667067
  21. Oren Mason, M.D.Family Medicine Physician1104985332
  22. Richard Mason, M.D.Family Medicine Physician1942640834
  23. Angela Mason-Maranda, LMSWClinical Social Worker1326584483
  24. Melissa MassPersonal Care Attendant1215693817
  25. Julianna Massa, PA-CPhysician Assistant1487463915
  26. Lauren MassaRecreation Therapist1073484341
  27. Andrew Massar, PA-CPhysician Assistant1205506748
  28. Sandra Masselink, LMSWClinical Social Worker1598114894
  29. Aaron Massie, MDDiagnostic Radiology Physician1104189349
  30. Jessica Massie, D.D.S., M.S.Pediatric Dentistry1538454517
  31. Christopher Massin, DODiagnostic Radiology Physician1922022409
  32. Sally Massry, DOPsychiatry Physician1891488813
  33. Brigette Mast, FNP-CFamily Nurse Practitioner1669932943
  34. Victor Mastaglio, DDSDentist1972789949
  35. Lisa MasterNurse Practitioner1164895827
  36. Jayce MastersBehavior Technician1164039780
  37. Margaret Masters, NP-CFamily Nurse Practitioner1104460633
  38. Nicholas MastersStudent in an Organized Health Care Education/Training Program1588212542
  39. Caitlin Masterson, M.S., OTR/LOccupational Therapist1073946158
  40. Chloe Masterson, PHARMDPharmacist1609591908
  41. Gilbert Masterson, MDPsychiatry Physician1497740930
  42. Alison MastinNurse Practitioner1821407750
  43. Julie Mata, LLBSWSocial Worker1891455853
  44. Ruth MataBehavior Technician1164955399
  45. Thomas Matelic, MDSports Medicine (Orthopaedic Surgery) Physician1700873874
  46. Jesmarie MateoTechnician1205500337
  47. Alaina Mater, BSN,RNRegistered Nurse1417569112
  48. Megan Mater, M.D.Surgery Physician1033558598
  49. Andrew Maternowski, MDInternal Medicine Physician1215979372
  50. Emily MatherBehavior Technician1780298661

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.