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 234 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. Niki Olin, COTAOccupational Therapy Assistant1740488758
  2. Amy Olinzock, NPNurse Practitioner1922573369
  3. Nicole Olivas, PHDPsychologist1902318165
  4. Caitlin Oliver, LMSWClinical Social Worker1386035632
  5. Demi Oliver, CCC-SLPSpeech-Language Pathologist1639908783
  6. Erika Oliver, MA, LLP, CAADCCounseling Psychologist1306033238
  7. Hannah OliverBehavior Technician1215570155
  8. Layla OliverBehavior Technician1134068323
  9. Marion OliverNeurology Physician1497106439
  10. Meagon Oliver, NPFamily Nurse Practitioner1992103667
  11. Anthony Olivero, M.D.Critical Care Medicine (Anesthesiology) Physician1427221787
  12. Michael OliveroAthletic Trainer1609736503
  13. Rosemary Olivero, M.D.Pediatrics Physician1679749378
  14. Stacey Olivier, PA-CPhysician Assistant1427126523
  15. Lindsey Olman, OTR/LOccupational Therapist1346743713
  16. Robert Olman, LMSWSocial Worker1184747628
  17. Lisa Olmetti-O'Loughlin, LMTHomeopath1861940686
  18. Abigale OlmsteadBehavior Technician1770273849
  19. Julie Olmstead, RNRegistered Nurse1639474083
  20. Kelsee OlmsteadSocial Worker1821598087
  21. Christine Olree, R.N.Oncology Clinical Nurse Specialist1396756326
  22. Daniel Olsen, D.O.Surgery of the Hand (Surgery) Physician1396700761
  23. Hannah Olsen, M.S. OTR/LPediatric Occupational Therapist1225528722
  24. Maria-Luisa Olsen, M.D.Family Medicine Physician1174639389
  25. Alexandria OlsonOther Technician1699571521
  26. Christine Olson, MA, NCC, LLPCMental Health Counselor1417308404
  27. Conner OlsonOrthopaedic Surgery Physician1265273627
  28. Hannah Olson, LCSWClinical Social Worker1588324156
  29. Jeffrey Olson, MA, LPCProfessional Counselor1487321824
  30. Joshua Olson, PT, DPTPhysical Therapist1154030278
  31. Leatha OlsonSocial Worker1770163982
  32. Mackenzie OlsonBehavior Technician1366263097
  33. Maxwell Olson, MDInternal Medicine Physician1083468367
  34. Peter Olson, M.D.Internal Medicine Physician1407807217
  35. Ryley OlsonBehavior Technician1699473454
  36. Sandra Olson, PAPhysician Assistant1861890683
  37. Lynn OlssonBehavior Technician1811777956
  38. Ronald Olszewski, D.D.S.General Practice Dentistry1578781522
  39. Peter Olthoff, LPCProfessional Counselor1063954071
  40. Timothy Olthoff, DPTPhysical Therapist1679022115
  41. Abigale Oltman, MDInternal Medicine Physician1265137988
  42. Tasha OltmanCase Manager/Care Coordinator1588980205
  43. Jason OlveraAddiction (Substance Use Disorder) Counselor1710472170
  44. Maria Olvera, BCBABehavior Analyst1437674025
  45. Amro Omari, MDOphthalmology Physician1922665587
  46. Abdel Rahman Omer, M.D.Cardiovascular Disease Physician1356607626
  47. Stacey Omiljan, DPTPhysical Therapist1972005668
  48. Irene OmwegaPharmacist1235008632
  49. Suzzette Ona, DMDGeneral Practice Dentistry1194942557
  50. Heather OnakSocial Worker1083412951

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.