NPPES file of Aug 9, 2026

Brynn O'Donnell, NP

Nurse Practitioner · Boston, MA

Brynn O'Donnell, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1205252731, issued on Mar 7, 2014. Check the license (Massachusetts RN2284729, 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
1205252731
Name
Brynn O'Donnell
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN2284729 MA
Self-reported in NPPES; status is on the state search
Practice location
30 Winter St, Boston, MA 02108
Phone
(617) 426-0600
Enumerated
Mar 7, 2014
Record last updated
Jan 6, 2020 (not updated in 6 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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8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →

Also registered at 30 Winter St

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

  1. Zelys Adorno, PHARM.D,Pharmacist1245640853
  2. Robin AlsarrasRegistered Nurse1417554858
  3. Lady-Thelma Bolduc, NPFamily Nurse Practitioner1447562335
  4. Lindsey Broussard, RNCommunity Health Registered Nurse1609545763
  5. Cara Cavazza, NPNurse Practitioner1063713030
  6. Thomas Delaney, MSWSocial Worker1104047166

Verify Brynn O'Donnell 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 RN2284729    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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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Brynn O'Donnell13
  2. Specialty average1,109

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.

Brynn O'Donnell among 3,480 nurse practitioner records in Massachusetts

Brynn O'Donnell, 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 2014, is newer than 45% of them.

  • NPI issued2014 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2020 · 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.

All 3,480 in Massachusetts → Every provider in Boston → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Cara Cavazza, NPBoston, MA 021081063713030
  2. Ryan Katides, RN, CNPBoston, MA 021081093315863
  3. Reyna Lounsbury, NPBoston, MA 021081528252434
  4. Olivia Bane, FNPBoston, MA 021091053144956
  5. Linda Barnard, MS, APRN-BCBoston, MA 021091710994553
  6. Rose Felzani, NPBoston, MA 021091104003797
  7. Kathryn Gantman, N.P.Boston, MA 021091285984542
  8. Yuan Jia, NPBoston, MA 021091982062840

Common questions

What is Brynn O'Donnell, NP's NPI number?

Brynn O'Donnell, NP's National Provider Identifier (NPI) is 1205252731, issued on Mar 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Brynn O'Donnell, NP located?

The NPPES record lists a practice address at 30 Winter St, Boston, MA, 02108. Phone: (617) 426-0600. Providers update this record themselves, so call before visiting.

How can I verify Brynn O'Donnell, NP's license?

NPPES lists Massachusetts license number RN2284729, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Brynn O'Donnell, NP prescribe under Medicare Part D?

In 2024, Brynn O'Donnell, NP had 13 Medicare Part D claims; 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.

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

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.