NPPES file of Aug 9, 2026

Doctors and health care providers in Lowell, MA

2,992 individual NPPES records list a practice address in Lowell, 10th of 406 Massachusetts cities. The largest group is mental health counselor: 374, 13% of the city's records, against 8% across Massachusetts. Page 32 of 60.

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

The 8 largest groups in Lowell

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

Lowell in Massachusetts

  • Rank in Massachusetts10th of 406 cities by records
  • Share of the state1.4% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups28.5% of all records

Compared with Massachusetts as a whole, Lowell has 9.1× the state's share of peer specialist records and 0.61× its share of physician assistant records.

Providers in Lowell, alphabetically

  1. Masha Lord, RNRegistered Nurse1912753898
  2. Tracy LordOccupational Therapy Assistant1467667444
  3. Ellen Losee, M ED.Developmental Therapist1346421195
  4. Lauren Loughlin, NPFamily Nurse Practitioner1073948956
  5. Dorothee LouisNurse Practitioner1720383177
  6. Allison LoveringBehavior Technician1750923728
  7. David Lowell, M.D.Neurology Physician1154310993
  8. Jadhina LuCounselor1568030526
  9. Katherine LucasLicensed Practical Nurse1497523997
  10. Maria Lucci, LMHCMental Health Counselor1659566453
  11. Jennifer Lucey, BCBABehavior Analyst1023371010
  12. Marissa LucianoPeer Specialist1508565151
  13. Anne Ludlow, LICSWClinical Social Worker1174753297
  14. Graciela Lugo, LICSWClinical Social Worker1154489755
  15. Gina LuisoMental Health Counselor1295510451
  16. Ruth Lumor, LPNLicensed Practical Nurse1932845393
  17. Patricia Lundgren, RNRegistered Nurse1417148370
  18. Chifunilo LunguBehavior Analyst1801404827
  19. Talia Lusterman, OTR/LOccupational Therapist1023643368
  20. Jacquiline LwebugaLicensed Practical Nurse1619732120
  21. Chardai Lyde, DMDDentist1841870953
  22. Henry Lyle, MDCardiovascular Disease Physician1194787192
  23. Jeffrey Lyman, M.EDMental Health Counselor1255579900
  24. Ashley Lynch, APRNFamily Nurse Practitioner1942882857
  25. Callie LynchCounselor1932027877
  26. Andrea LyonsPeer Specialist1639025315
  27. Cori LyonsCase Manager/Care Coordinator1649768391
  28. Elizabeth Lyons, M.S.Speech-Language Pathologist1568742898
  29. Joanna Lyons, MS.EDCase Manager/Care Coordinator1699955187
  30. John Lyons, PTAPhysical Therapy Assistant1477588770
  31. Joanne Lyson, PTPhysical Therapist1235222019
  32. Christine MacblanePeer Specialist1639965668
  33. Denise MacdonaldPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1659975373
  34. Nathan Macdonald, M.D.Emergency Medicine Physician1639136591
  35. Alejandra Macdonnell, RNMental Health Counselor1013206184
  36. Marilyn Macdonnell, NPGerontology Nurse Practitioner1720027394
  37. Maryann Macdonough, RD, LDN, CDERegistered Dietitian1235249566
  38. Abbi MacfarlaneClinical Social Worker1659754844
  39. Jessie Macinnes, LCSWClinical Social Worker1629790928
  40. Ruth MackCounselor1730128042
  41. William MackinlayCounselor1013655836
  42. Jillian MackinnonPeer Specialist1629912928
  43. Muriel Macmahon, LMHCMental Health Counselor1780821926
  44. Casey MacneilAthletic Trainer1386232676
  45. Sarah MaddenCounselor1366757981
  46. Madelenie MadelonSocial Worker1811819956
  47. Debra Madera, LMHCMental Health Counselor1750412276
  48. Carlos Madrid, M.D.Obstetrics & Gynecology Physician1902831969
  49. Maryam MaghsoudlooDentist1427567783
  50. Mehrnaz Maghsoudloo, DMDGeneral Practice Dentistry1598880767

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

Lowell, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 2,992 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 Lowell - 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 Lowell 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 Lowell is weighted toward Mental Health Counselor (374 clinicians, followed by Clinical Social Worker with 248 and Counselor with 230). 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, Lowell reports roughly 42.7 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.

For Lowell 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 Lowell, MA?

There are 2,992 registered healthcare providers in Lowell, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Lowell?

The most common specialties in Lowell are Mental Health Counselor, Clinical Social Worker, Counselor, Behavior Technician, Social Worker. Mental Health Counselor has the most providers with 374.

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.