NPPES file of Aug 9, 2026

Patricia N. O'Sullivan, M.D.

Geriatric Medicine (Internal Medicine) Physician · Boston, MA

Patricia N. O'Sullivan, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1760460844, issued on Jan 9, 2006. Check the license (Massachusetts 220836, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760460844
Name
Patricia N. O'Sullivan
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
220836 MA
Self-reported in NPPES; status is on the state search
Practice location
Beth Israel Deaconess Medical Center, Boston, MA 02215
Phone
(617) 667-7000
Enumerated
Jan 9, 2006
Record last updated
Jul 13, 2026
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 geriatric medicine (internal medicine) physician records → All 225 in Massachusetts → Look up another NPI →

Also registered at Beth Israel Deaconess Medical Center

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

  1. Yasmeen Abu Fraiha, MD, MPAStudent in an Organized Health Care Education/Training Program1588438949
  2. Muneeb Ahmed, M.D.Vascular & Interventional Radiology Physician1467620286
  3. Jose Bacalla Valles, MDDiagnostic Radiology Physician1457208837
  4. Julia Braza, M.D.Anatomic Pathology & Clinical Pathology Physician1619046760
  5. Cristina Castro-Rivera, MDPHDInternal Medicine Physician1336723204
  6. Sridevi ChintaDiagnostic Radiology Physician1356278378

Verify Patricia N. O'Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 220836    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
Open 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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Patricia N. O'Sullivan among 225 geriatric medicine (internal medicine) physician records in Massachusetts

Patricia N. O'Sullivan, M.D. is one of 225 geriatric medicine (internal medicine) physician 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 not. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 44% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Massachusetts

There are 225 geriatric medicine (internal medicine) physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 225 in Massachusetts → Every provider in Boston → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Virginia Cummings, M.D.Boston, MA 022151972543403
  2. Kirstyn James, MDBoston, MA 022151619454733
  3. Dae Hyun Kim, M.D., M.P.H.Boston, MA 022151013123504
  4. Edward Marcantonio, M.D.Boston, MA 022151881671485
  5. Melissa Mattison, MDBoston, MA 022151154310670
  6. Devyani Misra, M.D.Boston, MA 022151790946648
  7. Medha Munshi, M.D.Boston, MA 022151699733659
  8. Erin O'Fallon, M.D. M.P.H.Boston, MA 022151801853205

Common questions

What is Patricia N. O'Sullivan, M.D.'s NPI number?

Patricia N. O'Sullivan, M.D.'s National Provider Identifier (NPI) is 1760460844, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Patricia N. O'Sullivan, M.D. located?

The NPPES record lists a practice address at Beth Israel Deaconess Medical Center, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.

How can I verify Patricia N. O'Sullivan, M.D.'s license?

NPPES lists Massachusetts license number 220836, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.