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 4 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. Arjun Chawdhry, DMDGeneral Practice Dentistry1912677303
  2. Hsin-Ning Chiang, LMHCMental Health Counselor1407552227
  3. Sydney ChiassonStudent in an Organized Health Care Education/Training Program1811669625
  4. Mark Chiungos, D.C.Chiropractor1912917196
  5. Il Cho, DDSPeriodontics1982736013
  6. Younglan ChoPhysical Therapy Assistant1619621711
  7. Setu Choksi, DMDDentist1629523865
  8. Shaila Cholli, RDMSSonography Radiologic Technologist1649233156
  9. Shanna Chow, NPGerontology Nurse Practitioner1992534259
  10. Kevin Chysna, M.D.Neurology Physician1154717130
  11. Ada CifuentesBehavior Technician1346835162
  12. Jessica CimonCounselor1811768914
  13. Anne Clancy, LICSWClinical Social Worker1487741864
  14. Matthew ClarkeMental Health Counselor1588427892
  15. Rachel Clarke-PounderBehavior Analyst1558857383
  16. Matthew Cohen, MDUrology Physician1003848078
  17. Stephen Cohen, MABehavior Technician1851867311
  18. Nancy Cohn, PSYDProfessional Counselor1588702625
  19. Joanne Coiro, PTPhysical Therapist1043268618
  20. Kadambari Colaco, DDSDentist1295184869
  21. Donna Coleman, OTR/LOccupational Therapist1285064436
  22. Kassandra Coleman, BCBABehavior Analyst1164847943
  23. Claudia Collins, AGNPGerontology Nurse Practitioner1609586569
  24. Carlos Colon, LCSWMental Health Counselor1497997886
  25. Kyle ColonCounselor1316718265
  26. Amba Coltman, LICSWClinical Social Worker1053804385
  27. Hannah ComeauBehavior Technician1407456437
  28. Nicole Comeau, MSN, APRN, FNP-BCNurse Practitioner1487225009
  29. Colleen Comperchio, CCC-SLPSpeech-Language Pathologist1477267052
  30. Stephen Comstock, DMDGeneral Practice Dentistry1174970446
  31. Chris Conisha, RPHPharmacist1154592665
  32. Thomas Conlon, DPT, PTPhysical Therapist1679045207
  33. Lauren Conners, BCBABehavior Analyst1598641425
  34. Deirdre Connolly, MDFamily Medicine Physician1124076120
  35. Meaghan Consedine, NPFamily Nurse Practitioner1740828458
  36. John Constantine, M.D.Ophthalmology Physician1437157765
  37. Lisa CooperClinical Social Worker1083169528
  38. Miranda Corley, M.A.Student in an Organized Health Care Education/Training Program1932998903
  39. Alexandra Corrado, MSW, LICSWClinical Social Worker1144629122
  40. Diane Cote, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1649497355
  41. Cynthia Coughlin, CNMObstetrics & Gynecology Physician1699791244
  42. Samantha CoyleSpeech-Language Pathologist1265177620
  43. Barbara Creme, LMHCMental Health Counselor1730102054
  44. Virginia Crowley, F.N.P.Family Nurse Practitioner1538310743
  45. Danielle Cuozzo, AUDAudiologist1447096011
  46. Kaila CuticchiaWomen's Health Nurse Practitioner1366020349
  47. Joanna Cutting, MS/CAGSStudent in an Organized Health Care Education/Training Program1235392499
  48. Talan Cyr, M.S., BCBA, LABABehavior Analyst1922696574
  49. Christina Czachorowski, PTPhysical Therapist1851529788
  50. Brittany CzerwNurse Practitioner1528793783

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.