NPPES file of Aug 9, 2026

Jennifer Alexandra Stefanik, NP

Adult Health Nurse Practitioner · Boston, MA

Jennifer Alexandra Stefanik, NP is an adult health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1255689808, issued on Aug 29, 2012. Check the license (Massachusetts 265514, 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
1255689808
Name
Jennifer Alexandra Stefanik
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
265514 MA
Self-reported in NPPES; status is on the state search
Practice location
450 Brookline Ave, Boston, MA 02215
Phone
(617) 632-2166
Enumerated
Aug 29, 2012
Record last updated
Nov 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 450 Brookline Ave

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

  1. Gregory Abel, MDHematology & Oncology Physician1285611954
  2. Lara Abousamra, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851183404
  3. Karley Adams, PAPhysician Assistant1578261764
  4. Lauren Adams, PA-CPhysician Assistant1902763469
  5. Ana Aguilar-Bonilla, M.D.Pediatric Hematology & Oncology Physician1023319761
  6. Andrew Aguirre, MD, PHDMedical Oncology Physician1609071208

Verify Jennifer Alexandra Stefanik 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 265514
    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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26% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

943 Medicare Part D claims for 146 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Jennifer Stefanik943
  2. Specialty average1,280

Most prescribed

  1. Levetiracetam150 claims
  2. Dexamethasone66 claims
  3. Lorazepam50 claims
  4. Lacosamide45 claims
  5. Ondansetron Hcl44 claims
  6. Eliquis40 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.

Industry payments in 2024: $1,670.55

4 payments; by number, the most common kind was food and beverage; the largest payer was Servier Pharmaceuticals LLC. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Stefanik$1,670.55
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jennifer Alexandra Stefanik among 1,465 adult health nurse practitioner records in Massachusetts

Jennifer Alexandra Stefanik, NP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 29% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2019 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

454 adult health nurse practitioner records list a practice address in Boston

They are 454 of the 41,865 NPPES records with a practice address in Boston, and 1,465 adult health nurse practitioner records in Massachusetts.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Diane Dinobile, NPBoston, MA 022151811935745
  2. Lisa Doherty, APRN, BCBoston, MA 022151497700652
  3. Lisa Dumouchel, APRNBoston, MA 022151013960699
  4. M Kaufman, NPBoston, MA 022151174578355
  5. Leah McKinnon-Howe, APRN, BC, NPBoston, MA 022151790728889
  6. Kathleen Rourke, RNPBoston, MA 022151548286834
  7. Virginia Seery, NPBoston, MA 022151316970478
  8. Sharon Siwiec, NPBoston, MA 022151548226731

Common questions

What is Jennifer Alexandra Stefanik, NP's NPI number?

Jennifer Alexandra Stefanik, NP's National Provider Identifier (NPI) is 1255689808, issued on Aug 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Alexandra Stefanik, NP located?

The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-2166. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Alexandra Stefanik, NP's license?

NPPES lists Massachusetts license number 265514, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Alexandra Stefanik, NP prescribe under Medicare Part D?

In 2024, Jennifer Alexandra Stefanik, NP had 943 Medicare Part D claims for 146 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.