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 47 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. Katelyn Rich, MAMental Health Counselor1366646705
  2. Ashley Richards, LADC IIAddiction (Substance Use Disorder) Counselor1629784111
  3. Audra RichardsonMarriage & Family Therapist1316273550
  4. Cathy Richardson-Brown, LICSWClinical Social Worker1538134929
  5. Brittany RichmondSocial Worker1740601277
  6. Rebecca RideoutPhysician Assistant1073993440
  7. Anna Riera, NPNurse Practitioner1124311006
  8. Adam RiggioMassage Therapist1962009795
  9. Alan RileyClinical Social Worker1659050763
  10. Katelyn RileyDevelopmental Therapist1679768386
  11. Kristen Riley, RPHPharmacist1760210835
  12. Sara Riley, OTR/LOccupational Therapist1407976988
  13. Roseda Rith, REGISTERED NURSERegistered Nurse1679457550
  14. Merary RivasCounselor1801659107
  15. Edwin Rivera, LMHCClinical Social Worker1841414851
  16. Jose Rivera, MSClinical Social Worker1194949115
  17. Kassy RiveraMental Health Counselor1043085889
  18. Monicah Rivera, PMHNPPsychiatric/Mental Health Nurse Practitioner1316712763
  19. Nadmi RiveraSocial Worker1043052814
  20. Osvaldo RiveraSocial Worker1235799602
  21. Yangel RiveraBehavior Technician1174325823
  22. Danielle RobergeCounselor1174309454
  23. Chelsea RobertsBehavior Analyst1386192839
  24. Ria Roberts, MDInternal Medicine Physician1821528894
  25. Yineska Robertson, DMDDentist1942084785
  26. Kaylea RobillardCounselor1619681236
  27. Courtney Robinson, M.S. CCC-SLPSpeech-Language Pathologist1821528027
  28. Madison Robitaille, ODStudent in an Organized Health Care Education/Training Program1366336976
  29. Jackeline RoblesCounselor1467873653
  30. Jennifer Robtoy, MEDStudent in an Organized Health Care Education/Training Program1801958814
  31. Allycia RoccoMental Health Counselor1164264735
  32. Gabriel RoccoPeer Specialist1730958539
  33. Joseph RochaBehavior Technician1649162512
  34. Kelly RochaFamily Nurse Practitioner1487505855
  35. Elizabeth Roche, PHARMDPharmacist1154925881
  36. Frances RodriguesBehavior Technician1801465158
  37. Kayla RodriguesAddiction (Substance Use Disorder) Counselor1336856160
  38. Barbara Rodriguez, B.S.Counselor1881824985
  39. Heriberto RodriguezPeer Specialist1700685807
  40. Jacquelynn RodriguezBehavior Technician1952913535
  41. Angelina Rodriguez-DiazClinical Social Worker1194764241
  42. Cheryl Roege-Pederson, M.ED, LMHC, CPRPMental Health Counselor1013966761
  43. Sarah Roehrich, MS, CCC-SLPSpeech-Language Pathologist1093996670
  44. Lisa Rogers, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1235180753
  45. Mary Catherine RogersPhysical Therapist1992011720
  46. Michelle RogersStudent in an Organized Health Care Education/Training Program1689168833
  47. Richard Rohrer, M.D.Surgery Physician1558316901
  48. Martha RojasCounselor1588938310
  49. Lindsey RollingDevelopmental Therapist1912890146
  50. Trevor RollsAddiction (Substance Use Disorder) Counselor1568384485

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.