Doctors and health care providers in Nashua, NH
3,140 individual NPPES records list a practice address in Nashua, 3rd of 146 New Hampshire cities. The largest group is case manager/care coordinator: 365, 12% of the city's records, against 4% across New Hampshire. Page 44 of 63.
The 8 largest groups in Nashua
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Nashua in New Hampshire
- Rank in New Hampshire3rd of 146 cities by records
- Share of the state9.6% of New Hampshire's records
- Specialties present25 or more taxonomy codes
- Top three groups24.3% of all records
- Case Manager/Care Coordinator rank2nd of the 10 New Hampshire cities with the most
Compared with New Hampshire as a whole, Nashua has 4× the state's share of peer specialist records and 0.52× its share of family medicine physician records.
Providers in Nashua, alphabetically
- Vickie Norrod, MA-LMFTMarriage & Family Therapist1932220969
- Samira Nouri, RPHPharmacist1215344502
- Amy Nourie, MSW INTERNCounselor1396734174
- Lynn Novier, OTRHand Occupational Therapist1104998616
- Spencer Nozell, MACounselor1871361832
- Frances Nutter-Upham, MA,ATR-BC,LCMHCMental Health Counselor1578772406
- Agnieszka Nyberg, MAHealth & Wellness Coach1578130423
- Nancy Nyberg-Lake, ARNPEndocrinology, Diabetes & Metabolism Physician1700845534
- Ian O'Brien, BACase Manager/Care Coordinator1437428539
- Kevin O'BrienCase Manager/Care Coordinator1790468338
- Kristina O'BrienPeer Specialist1225607070
- Meghan O'BrienStudent in an Organized Health Care Education/Training Program1134803117
- Jennifer O'Brien-Traficante, MA, LCMHCMental Health Counselor1861587354
- Mary O'ConnellCase Manager/Care Coordinator1295000404
- Amy O'Connor, CDDoula1184012031
- Jacquelyn O'Connor, LICSWSocial Worker1689836827
- Kristen O'Connor, BACase Manager/Care Coordinator1659939643
- Timothy O'Connor, PA-CSurgical Physician Assistant1831768035
- Barbara O'Dea, M.D.Independent Medical Examiner Physician1578787115
- Bridget O'Donnell, BSCase Manager/Care Coordinator1902576986
- Suzanne O'Gara, BA, MSOLCounselor1417365990
- Brian O'Hearn, FNP-CFamily Nurse Practitioner1801312475
- Jean O'LearyCase Manager/Care Coordinator1669933024
- Karen O'Meara, MSCase Manager/Care Coordinator1093183360
- Jill O'Neill, BSCase Manager/Care Coordinator1326313065
- James O'Reilly, M.D.Pediatrics Physician1215913306
- Ellen O'Shea, LCMHCMental Health Counselor1366783615
- Sonrisa O'TooleCase Manager/Care Coordinator1871918300
- Abigail ObrienBehavior Technician1649084021
- Anne ObrienStudent in an Organized Health Care Education/Training Program1447799408
- Heidi Odierna, PA-CMedical Physician Assistant1568484640
- Courtney Ohler, MA, LMFTMarriage & Family Therapist1164947040
- Susan Okeefe, RDRegistered Dietitian1144362831
- Brianna OliveiraBehavior Technician1821892175
- Michael Ollendieck, MDInternal Medicine Physician1235104126
- Carol Olnick, MDFamily Medicine Physician1477500072
- Bridget Olsen, MDPediatric Adolescent Medicine Physician1447235270
- James OlsenCertified Registered Nurse Anesthetist1538055918
- Andrea Olson, BACase Manager/Care Coordinator1053941815
- Krystle OlsonCase Manager/Care Coordinator1134865785
- Perry Olson, BCBABehavior Analyst1285017368
- Jennifer Olsson, BSCase Manager/Care Coordinator1689216061
- Pamela Olsson, MDPsychiatry Physician1093740037
- Consolata Omingo, APRNPsychiatric/Mental Health Nurse Practitioner1952885394
- Robert Oot, M.D.Diagnostic Radiology Physician1255319505
- Linda OreillyBehavior Technician1750042404
- Amy OrellCase Manager/Care Coordinator1447073507
- Stephanie OrioliBehavior Technician1174197685
- Brianna OrleansBehavior Technician1104707447
- Briana Orrico, APRN, WHNP-BC, CNMAdvanced Practice Midwife1750072419
The largest New Hampshire cities
- Manchester4,401
- Lebanon3,530
- Concord3,103
- Portsmouth1,860
- Keene1,482
How to read this directory
Nashua, New Hampshire appears in the CMS National Plan and Provider Enumeration System with 3,140 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 Nashua - 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 Nashua 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 Nashua is weighted toward Case Manager/Care Coordinator (365 clinicians, followed by Behavior Technician with 200 and Mental Health Counselor with 198). 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 New Hampshire's population, Nashua reports roughly 224 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 New Hampshire's most common specialties, Specialist is the most prominent one with no provider currently listing a Nashua practice address, a coverage gap Nashua patients typically fill by traveling to a larger nearby hub.
For Nashua 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 Nashua, NH?
There are 3,140 registered healthcare providers in Nashua, NH, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Nashua?
The most common specialties in Nashua are Case Manager/Care Coordinator, Behavior Technician, Mental Health Counselor, Physical Therapist, Behavior Analyst. Case Manager/Care Coordinator has the most providers with 365.
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.