William Brian Sweeney, MD
Colon & Rectal Surgery Physician · Worcester, MA
William Brian Sweeney, MD is a colon & rectal surgery physician with a practice address in Worcester, Massachusetts, and NPI 1407894751, issued on Jun 2, 2006. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Brian Sweeney
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 42274 MN
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-8195
- Enumerated
- Jun 2, 2006
- Record last updated
- Jun 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (508) 334-8130
- Medicaid ID
- 3113779 MA
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 55 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Brian Sweeney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.19
1 payment: food and beverage; the largest payer was Stryker Corporation. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Brian Sweeney among 55 colon & rectal surgery physician records in Massachusetts
William Brian Sweeney, MD is one of 55 colon & rectal surgery physician records with a practice address in Massachusetts. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Massachusetts
There are 55 colon & rectal surgery physician records in Massachusetts.
All 55 in Massachusetts → Every provider in Worcester → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Sue Hahn, MDWorcester, MA 016551881012524
- Karim Alavi, MDWorcester, MA 016051497700777
- Tess AuletWorcester, MA 016051619394764
- Justin Maykel, M.D.Worcester, MA 016051770564510
- Kaitlyn Oldewurtel, DOWorcester, MA 016051043871163
- Thomas Peponis, MDWorcester, MA 016051306376538
- Paul Sturrock, M.D.Worcester, MA 016051588744965
- Yaniv Zager, MDWorcester, MA 016051750167128
Common questions
What is William Brian Sweeney, MD's NPI number?
William Brian Sweeney, MD's National Provider Identifier (NPI) is 1407894751, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Brian Sweeney, MD located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-8195. Providers update this record themselves, so call before visiting.
How can I verify William Brian Sweeney, MD's license?
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. 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.