Brianne M. Mahoney, M.D.
Obstetrics & Gynecology Physician · Watertown, MA
Brianne M. Mahoney, M.D. is an obstetrics & gynecology physician with a practice address in Watertown, Massachusetts, and NPI 1881892701, issued on Jul 3, 2007. Check the license (Massachusetts 233152, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Brianne M. Mahoney
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 233152 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 972-5500
- Enumerated
- Jul 3, 2007
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 972-5117
- Medicare enrollment
- Enrolled (PECOS I20111027000487); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 485 Arsenal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, PHARMD, CDCES, BCACPAmbulatory Care Pharmacist1285890566
- Nicole Allie, PHARMD, CGPGeriatric Pharmacist1104933936
- Ehsan Azimi, M.D.Internal Medicine Physician1437475829
- Olivia Bass, NPFamily Nurse Practitioner1669209664
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
Verify Brianne M. Mahoney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
58 Medicare Part D claims for 20 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Microgestin Fe13 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
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brianne M. Mahoney among 1,127 obstetrics & gynecology physician records in Massachusetts
Brianne M. Mahoney, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 39% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2004 among the 715 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Watertown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- L'Tricia Chery, M.D.Watertown, MA 024721912026410
- Rosana Chow, MDWatertown, MA 024721376514588
- Marianne Delach, D.O.Watertown, MA 024721831385483
- Leslie Macdonald, MDWatertown, MA 024721376514562
- Brian Price, M.D.Watertown, MA 024721851307284
- Cecilia Bahamon, MDChestnut Hill, MA 024671700306651
- Erik Clinton, M.D.Chestnut Hill, MA 024671013127869
- Mary Louise FowlerChestnut Hill, MA 024671700380045
Common questions
What is Brianne M. Mahoney, M.D.'s NPI number?
Brianne M. Mahoney, M.D.'s National Provider Identifier (NPI) is 1881892701, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brianne M. Mahoney, M.D. located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 972-5500. Providers update this record themselves, so call before visiting.
How can I verify Brianne M. Mahoney, M.D.'s license?
NPPES lists Massachusetts license number 233152, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brianne M. Mahoney, M.D. prescribe under Medicare Part D?
In 2024, Brianne M. Mahoney, M.D. had 58 Medicare Part D claims for 20 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.