NPPES file of Aug 9, 2026

Charlotte Robertshaw, NP

Primary Care Nurse Practitioner · Boston, MA

Charlotte Robertshaw, NP is a primary care nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1780378406, issued on Jun 6, 2023. Check the license (Massachusetts RN10011774, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780378406
Name
Charlotte Robertshaw
Credential
NP
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License numbers
RN10011774 MA
NP95023334 CA
Self-reported in NPPES; status is on the state search
Practice location
53 State St, Boston, MA 02109
Phone
(617) 903-5000
Enumerated
Jun 6, 2023
Record last updated
Mar 14, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20250108002634); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 53 State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Baird, MSW, LICSWClinical Social Worker1588784987
  2. Spencer Blackman, MDFamily Medicine Physician1205914884
  3. Shiunru Chen, M.D.Internal Medicine Physician1730442013
  4. Violet Landry, FNPFamily Nurse Practitioner1912695149
  5. Erin McNiffPhysician Assistant1376991497
  6. Sharon MenoraClinical Psychologist1275105538

Verify Charlotte Robertshaw in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN10011774
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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73% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024

397 Medicare Part D claims for 90 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Charlotte Robertshaw397
  2. Specialty average1,492

Most prescribed

  1. Gabapentin38 claims
  2. Atorvastatin Calcium23 claims
  3. Duloxetine Hcl17 claims
  4. Losartan Potassium17 claims
  5. Fentanyl16 claims
  6. Venlafaxine Hcl Er15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mass General Brigham Community Physicians IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charlotte Robertshaw among 376 primary care nurse practitioner records in Massachusetts

Charlotte Robertshaw, NP is one of 376 primary care nurse practitioner records with a practice address in Massachusetts. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 12% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2022 · median 2019 among the 196 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Primary Care Nurse Practitioner providers in Massachusetts

There are 376 primary care nurse practitioner records in Massachusetts.

The 8 primary care nurse practitioner records with the nearest ZIP codes

  1. Changhee Park, NPBoston, MA 021081013570605
  2. Kelly HarringtonBoston, MA 021111568980365
  3. Deborah Anderson, NPBoston, MA 021141417991464
  4. Gale Cahoon, NPBoston, MA 021141447291802
  5. Anne Charette, NPBoston, MA 021141386826873
  6. Patricia Flaherty, ANPBoston, MA 021141215085840
  7. Helen Gould, RNCSBoston, MA 021141285674903
  8. Jessica LacroixBoston, MA 021141841727005

Common questions

What is Charlotte Robertshaw, NP's NPI number?

Charlotte Robertshaw, NP's National Provider Identifier (NPI) is 1780378406, issued on Jun 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Charlotte Robertshaw, NP located?

The NPPES record lists a practice address at 53 State St, Boston, MA, 02109. Phone: (617) 903-5000. Providers update this record themselves, so call before visiting.

How can I verify Charlotte Robertshaw, NP's license?

NPPES lists Massachusetts license number RN10011774, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Charlotte Robertshaw, NP prescribe under Medicare Part D?

In 2024, Charlotte Robertshaw, NP had 397 Medicare Part D claims for 90 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it 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.