NPPES file of Aug 9, 2026

Ambulatory Care Registered Nurse in Massachusetts

164 NPPES records list ambulatory care registered nurse with a practice address in Massachusetts, 2.3 per 100,000 residents, the 8th highest rate of 51. Cambridge and Boston have the most; each record links to the provider's NPI and the Massachusetts license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WP2201X · method

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

Cambridge has the most, 40

  1. Cambridge40
  2. Boston34
  3. Somerville18
  4. Malden7
  5. Revere5

Ambulatory Care Registered Nurse records in Massachusetts

  1. Elizabeth TarantoWestwood, MA 020901013841543
  2. Lorene Tompkins, RNFramingham, MA 017021578717294
  3. Charlene Torrisi, RNSomerville, MA 021431114357795
  4. Betty Tran, RNCharlestown, MA 021291902277221
  5. Margaret Tringale, RNCambridge, MA 021411235583816
  6. Lisa Valley-Shah, RNCambridge, MA 021391679194344
  7. Catherine Vaughan, R.N.Cambridge, MA 021391245557693
  8. Andrea Vinard, RNFlorence, MA 010621740102664
  9. Eileen Vitale, RNRevere, MA 021511346809324
  10. Charlene Williams, RNSomerville, MA 021431164766853
  11. Donna Wolfrum, RNBoston, MA 021141487895249
  12. Sheran Woodroffe, R.NCambridge, MA 021391891026464
  13. Hilda Wu, RNBoston, MA 021181245452325
  14. Gregory Zilli, RNCambridge, MA 021391821581802

Source: CMS NPPES, primary taxonomy 163WP2201X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 8 of 51 per resident

  1. Alaska2.6
  2. Wisconsin2.6
  3. California2.4
  4. Massachusetts2.3
  5. Rhode Island2.2
  6. Nebraska1.9
  7. 50 states and D.C.1.0

Source: CMS NPPES, primary taxonomy 163WP2201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

3.0% of these records appear in a Medicare file, against 1.3% 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. Massachusetts3.0%
  2. United States1.3%

Ambulatory Care Registered Nurse records in Massachusetts, measured

  • In a Medicare file5 of 164 · 3.0% here, 1.3% nationally
  • In the CMS Doctors and Clinicians file3 · 1.8% here, 0.4% nationally
  • Not updated in five years or more109 · 66.5% here, 42.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WP2201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

164 NPPES records list ambulatory care registered nurse (163WP2201X) as their primary taxonomy with a practice address in Massachusetts: 2.3 per 100,000 residents against 1 nationally (50 states and D.C.). Cambridge has 40 of them (24%).

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. Texas159
  2. Wisconsin151
  3. Michigan130
  4. Ohio199

States with a similar rate per 100,000

  1. California2.4
  2. Rhode Island2.2
  3. Alaska2.6
  4. Wyoming2.7

The largest states

  1. California940
  2. Ohio199
  3. Texas159
  4. Wisconsin151
  5. Michigan130

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.