NPPES file of Aug 9, 2026

Registered Nurse in Massachusetts

4,985 NPPES records list registered nurse with a practice address in Massachusetts, 71 per 100,000 residents, the 13th highest rate of 51. Boston and Cambridge have the most; each record links to the provider's NPI and the Massachusetts license search. Page 58 of 100.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163W00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Boston has the most, 684

  1. Boston684
  2. Cambridge268
  3. Worcester255
  4. Lynn176
  5. Dorchester166

Registered Nurse records in Massachusetts

  1. Ann Martin, RNMashpee, MA 026491902053127
  2. Ann Marie MartinBoston, MA 021151417884339
  3. Brianna MartinMethuen, MA 018441578155438
  4. Christine Martin, RNHaverhill, MA 018301174015952
  5. Clover Martin, RNHolyoke, MA 010401174792402
  6. Hannah Martin, BS, RNHolyoke, MA 010401770419384
  7. Jessica MartinCambridge, MA 021391023752243
  8. Madisen MartinMarion, MA 027381093604308
  9. Michele Martin, RNCambridge, MA 021391679875215
  10. Samantha MartinBoston, MA 021181710319454
  11. Shanna Martin, BSN, RNAuburn, MA 015011548124209
  12. Winifred Martin, RNBoston, MA 021181396986865
  13. Isaac MartineauShirley, MA 014641447064597
  14. Jazlynn MartinezEast Boston, MA 021281821939042
  15. Robert Martinez, BSN, RNSpringfield, MA 011071841895406
  16. Stephanie Martinez, RN, BSNAvon, MA 023221902693229
  17. Tatiana MartinezBoston, MA 021181407436546
  18. Corey MarvinCambridge, MA 021391235683343
  19. Christina Marx, RNCambridge, MA 021391346988599
  20. Emily Mason, RN, BSNBoston, MA 021181386295947
  21. Alison Massed, NP-CBoston, MA 022151033773908
  22. Bronwyn Mastrangelo, RNCambridge, MA 021391962937151
  23. Michelle Mated, RNHolyoke, MA 010401649907924
  24. Airam Mateo, RNBoston, MA 021251396256442
  25. Hannah MathesonBoston, MA 021181376983932
  26. Katherine Mathews, RNCharlestown, MA 021291093394322
  27. Vanessa MathewsNew Bedford, MA 027401053664862
  28. Magalie Mathieu, RN, BSNBrockton, MA 023011336955285
  29. Olivia Mathieu, BSN, RNMilford, MA 017571043155286
  30. Jennifer MatiasFramingham, MA 017021215873542
  31. Kayloy Matovcik, RNWarren, MA 010831174262943
  32. Jane Matovu, RNPeabody, MA 019601619717915
  33. Erika MatsumotoWorcester, MA 016061780468991
  34. Joseph Matta, RNBrockton, MA 023021396614137
  35. Derek Matteson, R.N.Milford, MA 017571750833307
  36. Kathy Matthews, RNCambridge, MA 021391538561071
  37. Natasha MauroseMalden, MA 021481588525075
  38. Margaret Maurukas, RNGroton, MA 014501568795607
  39. Janat Mawa, RN, BSNMethuen, MA 018441306674643
  40. Anne Maxon, R.N.Plainville, MA 027621699955930
  41. Nelson MayamaWorcester, MA 016041568160497
  42. Marie MayanLawrence, MA 018411467309724
  43. Beverly Mazza, RNWestborough, MA 015811235017799
  44. Gabrielle Mazza, RNSouth Weymouth, MA 021901043900681
  45. Dianah Mbabazi, RNBillerica, MA 018211396401311
  46. Peris MbariaLowell, MA 018521629614193
  47. Stephanie Mbawuike, RNStoughton, MA 020721437874021
  48. Violet Mbawuike, RNRandolph, MA 023681194673079
  49. Virgilius MbawuikeMattapan, MA 021261407093685
  50. Alice MbogoDracut, MA 018261992341580

Source: CMS NPPES, primary taxonomy 163W00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 13 of 51 per resident

  1. Rhode Island74
  2. New Mexico73
  3. Washington73
  4. Massachusetts71
  5. Wyoming63
  6. Hawaii62
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 163W00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

2.7% of these records appear in a Medicare file, against 1.5% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Massachusetts2.7%
  2. United States1.5%

Registered Nurse records in Massachusetts, measured

  • In a Medicare file137 of 4,985 · 2.7% here, 1.5% nationally
  • In the CMS Doctors and Clinicians file110 · 2.2% here, 1.0% nationally
  • Not updated in five years or more2,876 · 57.7% here, 57.2% nationally
  • Median graduation year2022 · the 110 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163W00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,985 NPPES records list registered nurse (163W00000X) as their primary taxonomy with a practice address in Massachusetts: 71 per 100,000 residents against 44 nationally (50 states and D.C.). Boston has 684 of them (14%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Florida4,722
  2. Wisconsin4,628
  3. Colorado4,610
  4. Pennsylvania5,372

States with a similar rate per 100,000

  1. Washington73.1
  2. New Mexico73.5
  3. Rhode Island74.2
  4. Wyoming62.8

The largest states

  1. New York25,740
  2. California13,506
  3. Ohio9,656
  4. Texas8,921
  5. Washington5,708

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

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.