NPPES file of Aug 9, 2026

Doctors and health care providers in Ann Arbor, MI

15,616 individual NPPES records list a practice address in Ann Arbor, 4th of 515 Michigan cities. The largest group is clinical social worker: 1,236, 8% of the city's records, against 6% across Michigan. Page 177 of 313.

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

The 8 largest groups in Ann Arbor

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

Ann Arbor in Michigan

  • Rank in Michigan4th of 515 cities by records
  • Share of the state5.5% of Michigan's records
  • Specialties present25 or more taxonomy codes
  • Top three groups22.1% of all records
  • Clinical Social Worker rank3rd of the 10 Michigan cities with the most

Compared with Michigan as a whole, Ann Arbor has 4.2× the state's share of anesthesiology physician records and 0.29× its share of behavior technician records.

Providers in Ann Arbor, alphabetically

  1. Michelle MaserLicensed Practical Nurse1548987803
  2. Michael Mashiba, MDInternal Medicine Physician1801240692
  3. Amir Mashni, MDStudent in an Organized Health Care Education/Training Program1396682357
  4. George Mashour, MDAnesthesiology Physician1184690349
  5. Bartosz Maska, DDSGeneral Practice Dentistry1790238087
  6. Amelita Maslach, MDFamily Medicine Physician1215126552
  7. Anna Maslach-Hubbard, M.D.Pediatric Critical Care Medicine Physician1548385743
  8. Bailey MasonClinical Social Worker1780477687
  9. Meredith MasonNurse Practitioner1225450067
  10. Suzanne Mason, D.D.S.Periodontics1588978647
  11. Amber Mason-Noble, NPNurse Practitioner1003287780
  12. Jennifer Massarelli, NURSE PRACTITIONERPsychiatric/Mental Health Nurse Practitioner1093057580
  13. Ryan Massay, MDRheumatology Physician1710326384
  14. Daniel Masserang, NPFamily Nurse Practitioner1790301109
  15. Cassidy MasserantPhysician Assistant1336802933
  16. John Masserant, CRNACertified Registered Nurse Anesthetist1881612380
  17. Mona MassoudFamily Medicine Physician1043538416
  18. Jessica Mast, CRNACertified Registered Nurse Anesthetist1578668273
  19. McLaine Mast, M.A., CCC-SLP, CBISSpeech-Language Pathologist1346614476
  20. Jack Master, PAPhysician Assistant1912915059
  21. Clare Masternak, PA-CPhysician Assistant1467926485
  22. Christinna Masters, MSN, NP-CNurse Practitioner1992274955
  23. Kristina Masters, PACPhysician Assistant1699712612
  24. Aliyah Masudi, LMSWClinical Social Worker1952641698
  25. Marina Mata, MDNeurology Physician1932280179
  26. James MatchynskiStudent in an Organized Health Care Education/Training Program1245083559
  27. Noor MateenClinical Social Worker1568062107
  28. Dawna Matela, LMSWClinical Social Worker1679130058
  29. Bonita Mathai, MDDermatology Physician1659654598
  30. Marykutty Mathai, MDAnesthesiology Physician1912923525
  31. Lena MathenaAcute Care Nurse Practitioner1417597279
  32. Dylan Mathers, ATCAthletic Trainer1851919997
  33. Anna Mathew, MBBSNephrology Physician1053577973
  34. Anoopa MathewStudent in an Organized Health Care Education/Training Program1659949113
  35. Lynn Mathew, OTRLOccupational Therapist1578048351
  36. Minimol MathewAmbulatory Care Registered Nurse1679289045
  37. Phillip MathewStudent in an Organized Health Care Education/Training Program1467278820
  38. Sneha MathewRegistered Nurse1285567008
  39. Mary Mathews, NPNurse Practitioner1558863803
  40. Rinnie Mathews, PA-CPhysician Assistant1578893848
  41. Emily Mathias, M.D.Emergency Medicine Physician1487941241
  42. Michael Mathis, MDAnesthesiology Physician1629396536
  43. Selina Mathis, MSWClinical Social Worker1942654678
  44. Shannon Mathison, MS, LLP,CAADC, IMH-EClinical Child & Adolescent Psychologist1659515948
  45. Lora Matigian, PA-CPhysician Assistant1790309771
  46. Lisa Matlen, MDNeurology with Special Qualifications in Child Neurology Physician1851737282
  47. Stephanie Matos, CNMAdvanced Practice Midwife1316028434
  48. Jill Matson, CPNPNurse Practitioner1023283256
  49. Aladdein Mattar, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1831423854
  50. Catherine Matthews, RNRegistered Nurse1730453762

The largest Michigan cities

  1. Farmington Hills36,305
  2. Detroit19,832
  3. Grand Rapids18,005
  4. Novi7,641
  5. Kalamazoo6,553

All of Michigan →

How to read this directory

Ann Arbor, Michigan appears in the CMS National Plan and Provider Enumeration System with 15,616 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 Ann Arbor - 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 Ann Arbor 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 Ann Arbor is weighted toward Clinical Social Worker (1,236 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,217 and Behavior Technician with 1,000). 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, Ann Arbor reports roughly 155.6 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, Family Nurse Practitioner is the most prominent one with no provider currently listing a Ann Arbor practice address, a coverage gap Ann Arbor patients typically fill by traveling to a larger nearby hub.

For Ann Arbor 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 Ann Arbor, MI?

There are 15,616 registered healthcare providers in Ann Arbor, MI, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Ann Arbor?

The most common specialties in Ann Arbor are Clinical Social Worker, Student in an Organized Health Care Education/Training Program, Behavior Technician, Nurse Practitioner, Physician Assistant. Clinical Social Worker has the most providers with 1,236.

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.