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 48 of 60.
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
- Kaiyana RomBehavior Technician1447112073
- Andrew Romanowsky, MDInternal Medicine Physician1578883237
- Eric Romanowsky, M.D.General Practice Physician1871553032
- Mark Romanowsky, M.D.Internal Medicine Physician1578521761
- Klas Romberg, MDDiagnostic Radiology Physician1437102464
- Jerubi Romero, RNRegistered Nurse1760181267
- David Rondeau, MACounselor1194284687
- Martha Root, PMHNPPsychiatric/Mental Health Nurse Practitioner1730339045
- Mony Ros, MSWClinical Social Worker1649619149
- Mario RosaSocial Worker1699173898
- Robin RosadoSocial Worker1245540657
- Celestina Rosario, MS, OTR/LOccupational Therapist1811451115
- Paula RosarioDentist1821815457
- Sarah Rose, MSWCounselor1477003820
- Haylee Rosenblatt, MDPediatrics Physician1437788783
- Gregory Ross, D.M.D.General Practice Dentistry1578645248
- Jessica RossDevelopmental Therapist1679230833
- Christopher Rossi, RNRegistered Nurse1821354127
- Jennifer Rossignol, LCSWSocial Worker1134906928
- Kristen Rossino, MSWCommunity Health Worker1447573910
- Melissa Rougier, MAMental Health Counselor1861665853
- Brent RourkeStudent in an Organized Health Care Education/Training Program1437636974
- Andrea Roush, PT, MBA, C/NDT, CEISPediatric Physical Therapist1396153052
- Katiuska RoweBehavior Technician1326870395
- Kimle Rowe, RNPediatric Registered Nurse1396581393
- Caitlin Rowland, OTR/LOccupational Therapist1760941009
- Kathleen RoySchool Counselor1457752990
- Marc Roy, MDEmergency Medicine Physician1548241227
- Raquel Ruiz, LICSWClinical Social Worker1417171448
- Brittany RuleyOccupational Therapist1528723038
- Vanya Run, CLINICAL INTERNMental Health Counselor1720977069
- Thomas Rupley, DCChiropractor1912193830
- Lynda Rushing, M.D.Anatomic Pathology & Clinical Pathology Physician1679559025
- Catherine RussellMental Health Counselor1740850163
- Kimberly Russell, MS PTPhysical Therapist1386827673
- Marissa RussellStudent in an Organized Health Care Education/Training Program1467051797
- Christine Russian, ODOptometrist1720080666
- Jennifer RussoInternal Medicine Physician1699032128
- Lisa Russo Anzalone, LMHCMental Health Counselor1346910999
- Deborah RyanPeer Specialist1679461594
- Katharine Ryan, MSW, LSW, LADCAddiction (Substance Use Disorder) Counselor1194161018
- Kellie RyanStudent in an Organized Health Care Education/Training Program1972665362
- Kelly RyanAddiction (Substance Use Disorder) Counselor1639647936
- Otajia SabatBehavior Technician1730905704
- Marguerite Sabatino, COTA/LOccupational Therapy Assistant1770054983
- Carla Sabbouh, MSN, APRN, FNP-CFamily Nurse Practitioner1639901119
- Richard Sachs, MDInternal Medicine Physician1518929512
- Flora Sadri-Azarbayejani, DOAddiction Medicine (Preventive Medicine) Physician1023088820
- Seema Sahib, MDInternal Medicine Physician1114988524
- Claire Saint LucienMental Health Counselor1821835026
The largest Massachusetts cities
- Boston41,865
- Worcester13,166
- Springfield8,553
- Cambridge5,145
- Brockton4,287
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.