NPPES file of Aug 9, 2026

Meredith Simpson Gustafson, NP

Nurse Practitioner · Boston, MA

Meredith Simpson Gustafson, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1770168981, issued on Mar 10, 2021. Check the license (Massachusetts RN2369537, 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
1770168981
Name
Meredith Simpson Gustafson
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
RN2369537 MA
041486987 IL
209022581 IL
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5500
Enumerated
Mar 10, 2021
Record last updated
Sep 2, 2025
Medicare enrollment
Enrolled (PECOS I20221130001305); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 75 Francis St

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

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Meredith Simpson Gustafson 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 RN2369537
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average nurse practitioner in 2024

103 Medicare Part D claims for 39 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Meredith Gustafson103
  2. Specialty average1,109

Most prescribed

  1. Hydroxyurea23 claims
  2. Imbruvica18 claims
  3. Xarelto14 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. Brigham And Womens Physicians Organization IncBoston, MA

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

Meredith Simpson Gustafson among 3,480 nurse practitioner records in Massachusetts

Meredith Simpson Gustafson, NP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 75% of them.

  • NPI issued2021 · 75% of these records are older, 20% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2022 · median 2017 among the 1,963 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 nurse practitioner records list a practice address in Boston

They are 961 of the 41,865 NPPES records with a practice address in Boston, and 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Annette Baker, NPBoston, MA 021151477501344
  2. Heather Bastardi, NPBoston, MA 021151528026192
  3. Shay Dillis, NPBoston, MA 021151548228117
  4. Ann Dirr, NPBoston, MA 021151447266168
  5. Catherine Earley, NPBoston, MA 021151548239890
  6. Juli-Anne Evangelista, NPBoston, MA 021151619935285
  7. John Fantegrossi, NPBoston, MA 021151548218431
  8. Lucy Graves, NPBoston, MA 021151497785885

Common questions

What is Meredith Simpson Gustafson, NP's NPI number?

Meredith Simpson Gustafson, NP's National Provider Identifier (NPI) is 1770168981, issued on Mar 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Meredith Simpson Gustafson, NP located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.

How can I verify Meredith Simpson Gustafson, NP's license?

NPPES lists Massachusetts license number RN2369537, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Meredith Simpson Gustafson, NP prescribe under Medicare Part D?

In 2024, Meredith Simpson Gustafson, NP had 103 Medicare Part D claims for 39 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.