NPPES file of Aug 9, 2026

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 54 of 63.

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

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

  1. Emaan Siddiqui, BSCase Manager/Care Coordinator1265304406
  2. Anna Sigel, MSCounselor1700594694
  3. Mikhail Signalov, D.O.Endocrinology, Diabetes & Metabolism Physician1316138910
  4. Rieta Silang, MDInternal Medicine Physician1306957287
  5. Ashley Silva, LICSWMental Health Counselor1437403151
  6. Hayley Silva, ASCase Manager/Care Coordinator1063063071
  7. Renato Silva Da FonsecaMental Health Counselor1730770355
  8. Anne Silverman, BACase Manager/Care Coordinator1578103438
  9. Esther Silverman, BSCase Manager/Care Coordinator1932818457
  10. Tyffani SimmonsBehavior Analyst1306639174
  11. Jason Simon, M.D.Sports Medicine (Orthopaedic Surgery) Physician1942496377
  12. Kristena Simoneau, RNRegistered Nurse1699391235
  13. Linda Simons, MSW, LICSWSocial Worker1174074090
  14. Maria SimonsBehavior Analyst1720704182
  15. Joseph Simonson, D.M.D.General Practice Dentistry1912164617
  16. Galit SimsBehavior Analyst1265968960
  17. Nikita Singh, M.D.Pediatrics Physician1164097242
  18. M Lorene Sipes, PH.D.Psychologist1063558278
  19. Edward Sirlin, M.D.Orthopaedic Surgery Physician1578856332
  20. William Siroty, M.D.Internal Medicine Physician1386615409
  21. Jane Skantze, MSWSocial Worker1467142869
  22. Christine Skelley, SLPSpeech-Language Pathologist1831374438
  23. Tracey Skelly, O.DOptometrist1760899934
  24. Robyn Skinner, RNRegistered Nurse1063247732
  25. Meghan Slaalien, LICSWClinical Social Worker1710517628
  26. Elizabeth Slattery, LCMHCMental Health Counselor1316218068
  27. Jeffrey Small, BACase Manager/Care Coordinator1053773861
  28. Jennifer Small, LMTMassage Therapist1588246961
  29. Theresa Small, CNM, APRNAdvanced Practice Midwife1033684659
  30. Marina Smallwood, NPWomen's Health Nurse Practitioner1285807099
  31. Jeffrey Smarse, BACase Manager/Care Coordinator1982958732
  32. Tina Smiley, BACase Manager/Care Coordinator1669982096
  33. Maxim Smirnov, M.D.Internal Medicine Physician1124146246
  34. Aideen SmithSpeech-Language Pathologist1215700125
  35. Amanda Smith, DMD, MPHDentist1922412816
  36. Caleigh SmithSpeech-Language Pathologist1376284216
  37. Connor SmithPhysician Assistant1669393088
  38. Danielle Smith, APRN, CNMPsychiatric/Mental Health Nurse Practitioner1891057113
  39. Heather Smith, LCMHC, MLADCMental Health Counselor1518309582
  40. Karime SmithPediatric Occupational Therapist1225993207
  41. Kathyrn Smith, LCMHCMental Health Counselor1205166857
  42. Laura SmithMedical Art Specialist/Technologist1639728157
  43. Marcia Smith, MS RD LDRegistered Dietitian1316079825
  44. Murray Smith, MDDermatology Physician1568570778
  45. Robert SmithPeer Specialist1164006326
  46. Sharon Smith, PAMedical Physician Assistant1558662213
  47. Timothy Smith, PA- C, ATCPhysician Assistant1144607201
  48. Jason Smoak, M.D.Orthopaedic Surgery Physician1184087587
  49. Jonah Snapper, M.S.Speech-Language Pathologist1831075027
  50. Norah SnowPhysical Therapist1942739867

The largest New Hampshire cities

  1. Manchester4,401
  2. Lebanon3,530
  3. Concord3,103
  4. Portsmouth1,860
  5. Keene1,482

All of New Hampshire →

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.