NPPES file of Aug 9, 2026

Joseph Brian Sullivan, MD

Internal Medicine Physician · Wareham, MA

Joseph Brian Sullivan, MD is an internal medicine physician with a practice address in Wareham, Massachusetts, and NPI 1518953710, issued on Sep 22, 2005. Check the license (Massachusetts 73361, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1518953710
Name
Joseph Brian Sullivan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
73361 MA
Self-reported in NPPES; status is on the state search
Practice location
261 Main St Ste B, Wareham, MA 02571
Phone
(508) 295-7174
Enumerated
Sep 22, 2005
Record last updated
Apr 30, 2025
Fax
(508) 730-6512
Medicaid ID
3079066 MA
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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Verify Joseph Brian 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 73361
    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

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76% fewer Medicare Part D claims than the average internal medicine physician in 2024

760 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Joseph Sullivan760
  2. Specialty average3,176

Most prescribed

  1. Buprenorphine-Naloxone79 claims
  2. Buprenorphine Hcl48 claims
  3. Omeprazole45 claims
  4. Atorvastatin Calcium43 claims
  5. Gabapentin30 claims
  6. Famotidine27 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.

Joseph Brian Sullivan among 6,825 internal medicine physician records in Massachusetts

Joseph Brian Sullivan, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2025 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Wareham

They are 11 of the 298 NPPES records with a practice address in Wareham, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Randy Caplan, D.O.Wareham, MA 025711336136399
  2. Kevin Delahanty, M.D.Wareham, MA 025711639272909
  3. Sirjana Dhungana Parajuli, MDWareham, MA 025711063606473
  4. Thomas Geagan, MDWareham, MA 025711699735647
  5. Robert McGowen, MDWareham, MA 025711285637405
  6. Daniel MillerWareham, MA 025711982920591
  7. Radford Reynolds, MDWareham, MA 025711477655231
  8. Rose Shorter, MDWareham, MA 025711861430852

Common questions

What is Joseph Brian Sullivan, MD's NPI number?

Joseph Brian Sullivan, MD's National Provider Identifier (NPI) is 1518953710, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Brian Sullivan, MD located?

The NPPES record lists a practice address at 261 Main St Ste B, Wareham, MA, 02571. Phone: (508) 295-7174. Providers update this record themselves, so call before visiting.

How can I verify Joseph Brian Sullivan, MD's license?

NPPES lists Massachusetts license number 73361, 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 Joseph Brian Sullivan, MD prescribe under Medicare Part D?

In 2024, Joseph Brian Sullivan, MD had 760 Medicare Part D claims for 43 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.