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.
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
- Casey HauptmanClinical Social Worker1386517332
- Jonathan Held, M.D.Specialist1699767608
- Karen Hewitt, PTAPhysical Therapy Assistant1730203423
- Niki Holtzman, MS OTR/LCommunity Health Worker1154501542
- Charles Howard, MD, MMM, CHCQMOphthalmology Physician1619943222
- Sandra Howard, M.D.Internal Medicine Physician1487803011
- Janet Howson, PSY.D.Psychologist1649769613
- Kenneth Janes, MDSurgery Physician1134177546
- Deanna Kardoos, PA-CPhysician Assistant1386693885
- Sheila Kelly, LMHCMental Health Counselor1639068653
- Sandra Klapprodt, PTGeriatric Physical Therapist1033357389
- Julia KoperniakSocial Worker1588477491
- Shirley Kraft, OTROccupational Therapist1558585141
- Cecilia Lemos, BSN-RN-NCSNRegistered Nurse1548051469
- Sokankelly Lim, PHARMDPharmacist1174172027
- Bruce Loding, PH.D.Clinical Psychologist1255402434
- Betty Louis, LCSWClinical Social Worker1366327371
- Susan Lucas, MDInternal Medicine Physician1497744676
- Richard Lyons, M.D.Emergency Medicine Physician1154463867
- Sourav Majumdar, MDStudent in an Organized Health Care Education/Training Program1629285945
- Jennifer Mansir, MS, RDObesity and Weight Management Nutrition Registered Dietitian1356940019
- Jennifer Mapes, OTROccupational Therapist1871712331
- Christopher Martin, CNIM, R.EP.T.Electroneurodiagnostic Specialist/Technologist1346521234
- Holly Matson-Durkin, BCBABehavior Analyst1548618960
- Christa Maxant, LMHCMental Health Counselor1881827384
- Erin McCluskey, MS CFY SLPSpeech-Language Pathologist1851590970
- Brianna McInnes, LMTMassage Therapist1629880224
- Saroeun McKean, RNHome Health Registered Nurse1336938885
- Marilyn McMillan, RN, BSNRegistered Nurse1447014865
- Michaela Montecalvo, PA-CPhysician Assistant1497175970
- Margaret Moore, LICSWClinical Social Worker1376983890
- Asha Naidu, MDInfectious Disease Physician1669447579
- Adrienne Nash, APRNPsychiatric/Mental Health Nurse Practitioner1780895672
- Martin Nwabueze, RPHPharmacist1073896684
- Pennie OakeMental Health Counselor1619404704
- Peter Ofman, MDClinical Cardiac Electrophysiology Physician1184739955
- Michael Jonathan Older, M.D.Gastroenterology Physician1194757625
- Fredrick OmodiagbeHome Health Aide1518615434
- Carol Orton, F.N.P.Family Nurse Practitioner1801299730
- Dean Overmiller, PHARM.D.Pharmacotherapy Pharmacist1861056418
- Bradford Parmenter, LICSWClinical Social Worker1407043284
- Timothy PatnoRegistered Nurse First Assistant1154955904
- Judith Pentedemos, NPDiabetes Educator Registered Nurse1245371806
- Salvatore Perla, DRPHClinical Laboratory Director (Non-physician)1649930306
- Panida Pheang, NP-CAdult Health Nurse Practitioner1295447548
- Stephanie RempelDoula1841124708
- Jeffrey Resnick, DPMPrimary Podiatric Medicine Podiatrist1407822992
- Denise Rogers, LICSWClinical Social Worker1295215077
- Magdy Salama, MDAnatomic Pathology Physician1215918057
- Anna Santoro, PHARMD, BCPP, BCGPPharmacist1720826290
The largest Massachusetts cities
- Boston41,865
- Worcester13,166
- Springfield8,553
- Cambridge5,145
- Brockton4,287
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.