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 235 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. Kari OndersmaOccupational Therapist1255834479
  2. Mackenzie Ondersma, ATCAthletic Trainer1871130237
  3. Patricia Oneill, REGISTERED DIETICIANRegistered Dietitian1366622854
  4. Jill Onesti, M.D.Surgical Oncology Physician1063674497
  5. Rachel Oney, C-FSD, CLC, CBE, CHWDoula1356896005
  6. Nina Ong, PA-CPhysician Assistant1184094443
  7. Tomas OngDentist1881318780
  8. Makeila OnuohaBehavior Technician1073147328
  9. Peninah Onyango, FNP-CFamily Nurse Practitioner1386247674
  10. Vivian Onyewuche, M.D.Anesthesiology Physician1053596387
  11. Brittany Oom, CTRSRecreation Therapist1255961066
  12. Justin Ooms, CRNACertified Registered Nurse Anesthetist1073811923
  13. Grant OosseFamily Nurse Practitioner1396311510
  14. Ted Oosta, MSWClinical Social Worker1740591536
  15. Jessica OostdykeBehavior Technician1528768728
  16. Angela Oostema, MDFamily Medicine Physician1871562066
  17. John Oostema, MDEmergency Medicine Physician1265483861
  18. Tracy Oostema, DPTNeurology Physical Therapist1619478443
  19. Anne Oostendorp, MDDiagnostic Radiology Physician1083633903
  20. Kimberly Oostenink, RPHPharmacist1073551271
  21. Kirsten Oosterbaan, PA-CMedical Physician Assistant1306202072
  22. Emily Oosterhouse, MA, LPC, CAADCProfessional Counselor1992144075
  23. Kristina Oosterhouse, PA-CMedical Physician Assistant1689994949
  24. Kellie OosterinkClinical Social Worker1659881951
  25. Shelly Oostindie, MSAudiologist1124200423
  26. Marianne Oostveen, LMSWClinical Social Worker1578890745
  27. Robert Oostveen, MDDiagnostic Radiology Physician1417158619
  28. Briana Ophoff, PA-CPhysician Assistant1952694572
  29. David Ophoff, PAPhysician Assistant1821379132
  30. Natalie OphoffPhysical Therapy Assistant1205303492
  31. Cindy Opolka, M.D.Family Medicine Physician1629060165
  32. Mary Oppenhuizen, ED.D.Counseling Psychologist1609924141
  33. Andrew OppermanPersonal Care Attendant1861249393
  34. Barbara Opperwall, NPNurse Practitioner1285805242
  35. Afiya Orara, CLC, DOULADoula1508142639
  36. Aishat Oredegbe, MDFamily Medicine Physician1104503655
  37. Elbin Orellana, MA, LLPPsychologist1528447018
  38. Brittany OrenBehavior Technician1700529385
  39. Patrick OrlandoBehavior Technician1285192062
  40. Shelagh OrlikowskiSpeech-Language Pathologist1871984328
  41. Colin Orloski, DOPhysical Medicine & Rehabilitation Physician1437091360
  42. Margaret Orloski, CTRSPersonal Care Attendant1184379810
  43. Walter Ormes, DDSDentist1093889909
  44. Gabriela OrnelasCounselor1407514623
  45. Lucas Orosco, PHARMDPharmacist1508611740
  46. Deanna OrrPhysical Rehabilitation Occupational Therapist1063186195
  47. Renee Orr, LMSWSocial Worker1043786023
  48. Mario Orsini, D.O.Diagnostic Radiology Physician1942292792
  49. Ariana OrtegaBehavior Technician1043045644
  50. Lourdes Ortega, NPFamily Nurse Practitioner1902359847

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.