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 2 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. Steven Baker, RPHPharmacist1205007812
  2. Nicole BaldwinPsychologist1851182927
  3. Julienne BalestrierPsychologist1639579832
  4. Alexandra Barbar, LICSWSocial Worker1780998948
  5. Veronica Barboza, APRN FNP-BCNurse Practitioner1912689365
  6. Sherry Barghi, LICSWClinical Social Worker1265913172
  7. Raya BarghuthiPharmacist1205670130
  8. Sarah Barnett, MDPediatrics Physician1922078880
  9. Lauren Barney, OTOccupational Therapist1407597495
  10. Nicole Barrett, LICSWSocial Worker1992422729
  11. Rachel Barrett, CCC-SLPSpeech-Language Pathologist1831899863
  12. Alexa Barry, FNPPediatric Nurse Practitioner1285474866
  13. Jacob BarryBehavior Technician1710488473
  14. Nancy Bartleson, CNPAdult Health Nurse Practitioner1093796989
  15. Laura BauerNurse Practitioner1164078838
  16. Katie BeatleyPhysical Therapist1134594716
  17. Wilfred Beaucher, MDAllergy Physician1932109055
  18. Vanessa BeaulieuPhysical Therapy Assistant1861942294
  19. Katherine Becker, OTR/LOccupational Therapist1306611447
  20. Sydney BelangerCounselor1457033235
  21. Eugene BellePharmacist1760774368
  22. Jennifer Bellissimo, PSY.D.Psychologist1578046389
  23. Sandra Bello, LMT 4186Specialist1275898330
  24. Luke Bellone, DPTPhysical Therapist1063159739
  25. Joshua BeltranBehavior Technician1871193730
  26. Sherenity BenbowBehavior Technician1801618863
  27. Cynthia Berlied, P.T.Physical Therapist1417014382
  28. David Berman, M.D.Urology Physician1639150519
  29. Kellie Berry, MS, RD, LDNRegistered Dietitian1639592629
  30. Lia Bertolaccini, REGISTERED NURSERegistered Nurse1023463239
  31. Caroline Bevona, M.D.Dermatology Physician1245225044
  32. Chand Bhan, MDPsychiatry Physician1205812112
  33. Holly Bickerstaffe, LMTMassage Therapist1467756510
  34. Bjorn Bie, MDOtolaryngology Physician1376531541
  35. Szifra Birke, M.S.Mental Health Counselor1508945742
  36. Diana Bishop, NPNurse Practitioner1447954177
  37. Dawna Bivins, M.A.ED.Student in an Organized Health Care Education/Training Program1740596923
  38. Casey BlumClinical Social Worker1235683756
  39. Adelaide Boateng-Okyere, PHARMDPharmacist1578979977
  40. Claire BodwellBehavior Analyst1194215699
  41. Elizabeth Boilard, PTPhysical Therapist1578779328
  42. Jamie Boisvert, PTAPhysical Therapy Assistant1861518540
  43. Glen Bolliger, MDOphthalmology Physician1568455897
  44. Amy BoltonMental Health Counselor1598188583
  45. Anna Bolton, PMHNPPsychiatric/Mental Health Nurse Practitioner1144704669
  46. Amanda Bonomo, FNP-BCFamily Nurse Practitioner1912623588
  47. Elizabeth BorodowkaBehavior Technician1962364158
  48. Henry Boroyan, ODOptometrist1407920424
  49. Paul Bostrom, M.D.Dermatology Physician1811970155
  50. Danielle Boucher, M.S. CCC-SLPSpeech-Language Pathologist1073971263

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.