NPPES file of Aug 9, 2026

Nebulla Valerie Stephen, NP

Family Nurse Practitioner · Boston, MA

Nebulla Valerie Stephen, NP is a family nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1356714729, issued on Nov 7, 2015. Check the license (Massachusetts RN2291881, 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
1356714729
Name
Nebulla Valerie Stephen
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2291881 MA
Self-reported in NPPES; status is on the state search
Practice location
830 Harrison Avenue, 3RD FL, Boston, MA 02118
Phone
(617) 638-6428
Enumerated
Nov 7, 2015
Record last updated
May 20, 2026
Fax
(617) 638-5756
Medicaid IDs
3154020 NH
110111584A MA
Medicare enrollment
Enrolled (PECOS I20160128000527); 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 830 Harrison Avenue, 3RD FL

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

  1. Maya Abdallah, MDInternal Medicine Physician1861854937
  2. Jose Acevedo Mejia, M.D.Hematology & Oncology Physician1801277173
  3. Hussein Assi, M.DMedical Oncology Physician1235544362
  4. Britney Bell, MDHematology & Oncology Physician1265938732
  5. Natasha Burke, N.P.Gerontology Nurse Practitioner1700325503
  6. Yenong Cao, MDHematology & Oncology Physician1063972016

Verify Nebulla Valerie Stephen 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 RN2291881
    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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75% fewer Medicare Part D claims than the average family nurse practitioner in 2024

327 Medicare Part D claims for 79 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Nebulla Stephen327
  2. Specialty average1,305

Most prescribed

  1. Letrozole104 claims
  2. Verzenio26 claims
  3. Exemestane19 claims
  4. Prochlorperazine Maleate12 claims
  5. Ibrance11 claims
  6. Tamoxifen Citrate11 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. Evans Medical Foundation IncBoston, MA

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

Nebulla Valerie Stephen among 4,724 family nurse practitioner records in Massachusetts

Nebulla Valerie Stephen, NP is one of 4,724 family 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 2015, is newer than 34% of them.

  • NPI issued2015 · 34% of these records are older, 61% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2015 · median 2019 among the 2,704 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

938 family nurse practitioner records list a practice address in Boston

They are 938 of the 41,865 NPPES records with a practice address in Boston, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Marjorie Arvedon, FNPBoston, MA 021181376529842
  2. Ellen Bitz, NPBoston, MA 021181649254798
  3. Lois Doerr, NPBoston, MA 021181194784546
  4. Karen Friedman, MS RNC FNPBoston, MA 021181861421299
  5. Faye Huang, NPBoston, MA 021181366432353
  6. Terri Lacoursiere Zucchero, PHD, RN, FNP-BCBoston, MA 021181770565475
  7. Claire Murphy, NP-CBoston, MA 021181568447217
  8. Nancy Paull, NPBoston, MA 021181457466914

Common questions

What is Nebulla Valerie Stephen, NP's NPI number?

Nebulla Valerie Stephen, NP's National Provider Identifier (NPI) is 1356714729, issued on Nov 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nebulla Valerie Stephen, NP located?

The NPPES record lists a practice address at 830 Harrison Avenue, 3RD FL, Boston, MA, 02118. Phone: (617) 638-6428. Providers update this record themselves, so call before visiting.

How can I verify Nebulla Valerie Stephen, NP's license?

NPPES lists Massachusetts license number RN2291881, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Nebulla Valerie Stephen, NP prescribe under Medicare Part D?

In 2024, Nebulla Valerie Stephen, NP had 327 Medicare Part D claims for 79 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.