NPPES file of Aug 9, 2026

Doctors and health care providers in Chelmsford, MA

937 individual NPPES records list a practice address in Chelmsford, 56th of 406 Massachusetts cities. The largest group is behavior technician: 80, 9% of the city's records, against 5% across Massachusetts. Page 5 of 19.

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

The 8 largest groups in Chelmsford

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

Chelmsford in Massachusetts

  • Rank in Massachusetts56th of 406 cities by records
  • Share of the state0.4% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups23.2% of all records

Compared with Massachusetts as a whole, Chelmsford has 3.7× the state's share of behavior analyst records and 0.21× its share of student in an organized health care education/training program records.

Providers in Chelmsford, alphabetically

  1. Shelley DaggettCommunity Health Worker1780337410
  2. Shamim Dahod, M.D.Internal Medicine Physician1710971379
  3. Joseph Dailey, MDGastroenterology Physician1356878920
  4. Julia Daly, DPT, PTPhysical Therapist1588021448
  5. Ricardo Dancel, MDPsychiatry Physician1164520631
  6. Mindasari Daniar, RDRegistered Dietitian1992300925
  7. Taylor Darwin, DPTPhysical Therapist1629664651
  8. Karen Dasilva, M.D.Internal Medicine Physician1851364889
  9. Kristen Daugherty, PA-CMedical Physician Assistant1669047189
  10. Kelly David, OTR/LOccupational Therapist1265849210
  11. Angelia Davis, PH.D.Psychologist1598562761
  12. Richard Deamicis, M.D.Internal Medicine Physician1801865233
  13. Frederick Dekow, M.D.Internal Medicine Physician1730191503
  14. Jennifer Delikat, M.D.Pediatrics Physician1922086826
  15. Erica DellogonoSpeech-Language Pathologist1427548395
  16. Kerri Deprofio, RPHPharmacist1700871332
  17. Leena Desai, DMDGeneral Practice Dentistry1134292188
  18. Kayla Dibiasio, DMDDentist1689359184
  19. Heather Difonzo, M.S., CCC-SLPSpeech-Language Pathologist1740561091
  20. Amanda DiluigiCounselor1750128518
  21. Suzanne DirstineClinical Social Worker1649673070
  22. Joshua Dobbins, DMDOral and Maxillofacial Surgery (Dentist)1861996795
  23. Jonathan Dodd, RBTBehavior Analyst1972091148
  24. Anastassia Dokova, DDSPediatric Dentistry1538659149
  25. Gail Donahue, LMHC RNMental Health Counselor1518294362
  26. Melissa Donald, O.D.Optometrist1750674958
  27. Hannah Donovan, ODOptometrist1750066320
  28. John Donovan, D.C.Chiropractor1609971761
  29. Thomas Donovan, MA, LCMHC, LMHCMental Health Counselor1023475803
  30. Krysta Doucette, MS, RN, AGNP-CGerontology Nurse Practitioner1962921379
  31. Timothy Downs, D.P.MFoot & Ankle Surgery Podiatrist1053370312
  32. Sarah Dowst, CNPFamily Nurse Practitioner1891382016
  33. Kathleen Doyle, RN, CMental Health Counselor1548451883
  34. Milton Drake, M.D.Internal Medicine Physician1750354700
  35. Caroline DuffyMental Health Counselor1295535706
  36. Danielle Dulong, BCBA, LABABehavior Analyst1669307518
  37. Sandra Dunn, NPFamily Nurse Practitioner1962275263
  38. Paul Dunphy, MDSurgical Physician Assistant1164585295
  39. Heidi Duran, AGNPPrimary Care Nurse Practitioner1396327961
  40. Keshauna DurhamAssistant Behavior Analyst1619466695
  41. Mary Ann Durkin, NPPediatrics Physician1518074228
  42. Brooke DusenburyMental Health Counselor1134402282
  43. Kelly Dyke, PTPhysical Therapist1710978580
  44. Rachel EarlyBehavior Technician1003315318
  45. Robert Edelstein, M.D.Urology Physician1770564643
  46. Cheryl Ekelund, MS, OTR/LOccupational Therapist1770574469
  47. Kayla EldridgePhysical Therapist1730654518
  48. Dina Eliopoulos, M.D.Plastic Surgery Physician1033198247
  49. Peter Eliopoulos, D.M.D.Dentist1316022288
  50. Jillian Emerson, RDRegistered Dietitian1275246506

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

Chelmsford, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 937 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 Chelmsford - 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 Chelmsford 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 Chelmsford is weighted toward Behavior Technician (80 clinicians, followed by Behavior Analyst with 74 and Mental Health Counselor with 63). 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, Chelmsford reports roughly 13.4 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 Massachusetts's most common specialties, Developmental Therapist is the most prominent one with no provider currently listing a Chelmsford practice address, a coverage gap Chelmsford patients typically fill by traveling to a larger nearby hub.

For Chelmsford 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 Chelmsford, MA?

There are 937 registered healthcare providers in Chelmsford, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Chelmsford?

The most common specialties in Chelmsford are Behavior Technician, Behavior Analyst, Mental Health Counselor, Clinical Social Worker, Physical Therapist. Behavior Technician has the most providers with 80.

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.