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. Page 2 of 3.

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

Providers in Ayer, alphabetically

  1. Casey HauptmanClinical Social Worker1386517332
  2. Jonathan Held, M.D.Specialist1699767608
  3. Karen Hewitt, PTAPhysical Therapy Assistant1730203423
  4. Niki Holtzman, MS OTR/LCommunity Health Worker1154501542
  5. Charles Howard, MD, MMM, CHCQMOphthalmology Physician1619943222
  6. Sandra Howard, M.D.Internal Medicine Physician1487803011
  7. Janet Howson, PSY.D.Psychologist1649769613
  8. Kenneth Janes, MDSurgery Physician1134177546
  9. Deanna Kardoos, PA-CPhysician Assistant1386693885
  10. Sheila Kelly, LMHCMental Health Counselor1639068653
  11. Sandra Klapprodt, PTGeriatric Physical Therapist1033357389
  12. Julia KoperniakSocial Worker1588477491
  13. Shirley Kraft, OTROccupational Therapist1558585141
  14. Cecilia Lemos, BSN-RN-NCSNRegistered Nurse1548051469
  15. Sokankelly Lim, PHARMDPharmacist1174172027
  16. Bruce Loding, PH.D.Clinical Psychologist1255402434
  17. Betty Louis, LCSWClinical Social Worker1366327371
  18. Susan Lucas, MDInternal Medicine Physician1497744676
  19. Richard Lyons, M.D.Emergency Medicine Physician1154463867
  20. Sourav Majumdar, MDStudent in an Organized Health Care Education/Training Program1629285945
  21. Jennifer Mansir, MS, RDObesity and Weight Management Nutrition Registered Dietitian1356940019
  22. Jennifer Mapes, OTROccupational Therapist1871712331
  23. Christopher Martin, CNIM, R.EP.T.Electroneurodiagnostic Specialist/Technologist1346521234
  24. Holly Matson-Durkin, BCBABehavior Analyst1548618960
  25. Christa Maxant, LMHCMental Health Counselor1881827384
  26. Erin McCluskey, MS CFY SLPSpeech-Language Pathologist1851590970
  27. Brianna McInnes, LMTMassage Therapist1629880224
  28. Saroeun McKean, RNHome Health Registered Nurse1336938885
  29. Marilyn McMillan, RN, BSNRegistered Nurse1447014865
  30. Michaela Montecalvo, PA-CPhysician Assistant1497175970
  31. Margaret Moore, LICSWClinical Social Worker1376983890
  32. Asha Naidu, MDInfectious Disease Physician1669447579
  33. Adrienne Nash, APRNPsychiatric/Mental Health Nurse Practitioner1780895672
  34. Martin Nwabueze, RPHPharmacist1073896684
  35. Pennie OakeMental Health Counselor1619404704
  36. Peter Ofman, MDClinical Cardiac Electrophysiology Physician1184739955
  37. Michael Jonathan Older, M.D.Gastroenterology Physician1194757625
  38. Fredrick OmodiagbeHome Health Aide1518615434
  39. Carol Orton, F.N.P.Family Nurse Practitioner1801299730
  40. Dean Overmiller, PHARM.D.Pharmacotherapy Pharmacist1861056418
  41. Bradford Parmenter, LICSWClinical Social Worker1407043284
  42. Timothy PatnoRegistered Nurse First Assistant1154955904
  43. Judith Pentedemos, NPDiabetes Educator Registered Nurse1245371806
  44. Salvatore Perla, DRPHClinical Laboratory Director (Non-physician)1649930306
  45. Panida Pheang, NP-CAdult Health Nurse Practitioner1295447548
  46. Stephanie RempelDoula1841124708
  47. Jeffrey Resnick, DPMPrimary Podiatric Medicine Podiatrist1407822992
  48. Denise Rogers, LICSWClinical Social Worker1295215077
  49. Magdy Salama, MDAnatomic Pathology Physician1215918057
  50. Anna Santoro, PHARMD, BCPP, BCGPPharmacist1720826290

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.