NPPES file of Aug 9, 2026

Doctors and health care providers in Ayer, MA

118 individual NPPES records list a practice address in Ayer, 212th of 406 Massachusetts cities. The largest group is clinical social worker: 11, 9% of the city's records, against 8% across Massachusetts.

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

The 8 largest groups in Ayer

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

Ayer in Massachusetts

  • Rank in Massachusetts212th of 406 cities by records
  • Share of the state<0.1% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups20.3% of all records
  • Clinical Social Worker rank11th of the 10 Massachusetts cities with the most

Providers in Ayer, alphabetically

  1. Karen Anderson, P.T.Physical Therapist1639294390
  2. Jessica AraujoSpecialist1952265852
  3. Jeffrey Arpin, M.D.Surgery Physician1285630988
  4. Dawn Baird, PA-CPhysician Assistant1265439095
  5. Mary Bakalos, M.D.Diagnostic Radiology Physician1629036090
  6. Steven Balser, M.D.Emergency Medical Services (Emergency Medicine) Physician1750468393
  7. Sanjay Basu, MDInternal Medicine Physician1285682450
  8. Marie Bennett, FNP-BCFamily Nurse Practitioner1215376405
  9. Elisha Bernstein, LICSWClinical Social Worker1750608923
  10. Desdalin Black, M.S.ED., BCBABehavior Analyst1124368899
  11. Colin Blake, MDAnesthesiology Physician1770565657
  12. Jessica Blood, RDRegistered Dietitian1174114672
  13. Cheryl A. Boissy, LICSWClinical Social Worker1568970507
  14. Therese BonokPsychiatric/Mental Health Nurse Practitioner1467149765
  15. Abigail Bowen, PSY.D.Clinical Psychologist1700617370
  16. Kevin Brown, D.M.D.General Practice Dentistry1457472813
  17. Steven Brusie, M.D.Ophthalmology Physician1104849777
  18. Linda Buchieri, P.T.Physical Therapist1316153182
  19. Phillip Buchieri, P.T.Specialist1235262429
  20. Victoria Casavecchia, RN, NC-BCRegistered Nurse1437900644
  21. Paula Centauro, RNRegistered Nurse1841153293
  22. Adam Cerel, MDCardiovascular Disease Physician1467441857
  23. Jonathan Chack, M.A.Mental Health Counselor1922312347
  24. Kelly ColtonSocial Worker1346713369
  25. Robyn Coons, LICSW, BCDClinical Social Worker1982185096
  26. Angelica CostasBehavior Technician1689173841
  27. Christina CozzaClinical Social Worker1407356421
  28. Hilary Curtis, PH.D., LMHCMental Health Counselor1790859734
  29. Megan Cushing, LICSWClinical Social Worker1255580221
  30. Steven D'Angelo, MAMental Health Counselor1922329275
  31. Jeremy Dautrich, PTPhysical Therapist1548119258
  32. Amy-Marie DavidsonClinical Social Worker1538472014
  33. Nathan Diffin, ATCAthletic Trainer1619485000
  34. Gary Donia, MPTPhysical Therapist1033321344
  35. Annette Dratch, OTROccupational Therapist1780807651
  36. Brian Dressel, MDFamily Medicine Physician1760565873
  37. Christopher Duffey, RNRegistered Nurse1578455754
  38. Michele Dunn, MS OTR/LOccupational Therapist1649044330
  39. Jeffrey Fennelly, MDGeneral Practice Physician1760770531
  40. Sally Floyd, M.S.Mental Health Counselor1548319957
  41. Matthew Foley, MDDiagnostic Radiology Physician1073545356
  42. Darlene Gaibor, RNRegistered Nurse1851620983
  43. Zoe Gillis, MDObstetrics & Gynecology Physician1437174141
  44. Anne Marie Gloria, PTAPhysical Therapy Assistant1912022682
  45. Paula Gravelle, RPHPharmacist1508455254
  46. Paul Gunderson, M.D.Ophthalmology Physician1346260726
  47. Michelle HaleyMassage Therapist1427826452
  48. Paul Harasimowicz, M. D.Specialist1538152574
  49. Chelsea HardingSocial Worker1548781032
  50. Joann Harney, LADC1Addiction (Substance Use Disorder) Counselor1093057374

The largest Massachusetts cities

  1. Boston41,865
  2. Worcester13,166
  3. Springfield8,553
  4. Cambridge5,145
  5. Brockton4,287

All of Massachusetts →

How to read this directory

Ayer, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 118 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 Ayer - 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 Ayer 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 Ayer is weighted toward Clinical Social Worker (11 clinicians, followed by Mental Health Counselor with 7 and Pharmacist with 6). 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 Massachusetts's population, Ayer reports roughly 1.7 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 Massachusetts's most common specialties, Behavior Technician is the most prominent one with no provider currently listing a Ayer practice address, a coverage gap Ayer patients typically fill by traveling to a larger nearby hub.

For Ayer 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 Ayer, MA?

There are 118 registered healthcare providers in Ayer, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Ayer?

The most common specialties in Ayer are Clinical Social Worker, Mental Health Counselor, Pharmacist, Registered Nurse, Occupational Therapist. Clinical Social Worker has the most providers with 11.

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.