NPPES file of Aug 9, 2026

William T. Chen, M.D.

Gastroenterology Physician · Providence, RI

William T. Chen, M.D. is a gastroenterology physician with a practice address in Providence, Rhode Island, and NPI 1467546051, issued on Oct 3, 2006. Check the license (Rhode Island 10419, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1467546051
Name
William T. Chen
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
10419 RI
Self-reported in NPPES; status is on the state search
Practice location
33 Staniford Street, Providence, RI 02905
Phone
(401) 421-8800
Enumerated
Oct 3, 2006
Record last updated
Aug 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(401) 273-6510
Medicare enrollment
Enrolled (PECOS I20050507000085); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 33 Staniford Street

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

  1. Nicholas Califano, M.D.Gastroenterology Physician1679668164
  2. Leslie Cashel, M.D.Gastroenterology Physician1861585515
  3. Breton Roussel, M.D.Gastroenterology Physician1215385661

Verify William T. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license 10419
    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 Rhode Island 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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5% more Medicare Part D claims than the average gastroenterology physician in 2024

851 Medicare Part D claims for 296 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. William Chen851
  2. Specialty average811

Most prescribed

  1. Omeprazole283 claims
  2. Pantoprazole Sodium122 claims
  3. Famotidine92 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf52 claims
  5. Mesalamine36 claims
  6. Rabeprazole Sodium27 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.

Industry payments in 2024: $1,604.11

61 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Chen$1,604.11
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University Gastroenterology, LLCProvidence, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William T. Chen among 96 gastroenterology physician records in Rhode Island

William T. Chen, M.D. is one of 96 gastroenterology physician records with a practice address in Rhode Island. 82% 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 19% of them.

  • NPI issued2006 · 19% of these records are older, 41% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1997 · median 1997 among the 66 with a school on file
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Rhode Island

There are 96 gastroenterology physician records in Rhode Island.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Paul Akerman, MDProvidence, RI 029051942302773
  2. Nicholas Califano, M.D.Providence, RI 029051679668164
  3. Leslie Cashel, M.D.Providence, RI 029051861585515
  4. Christy Dibble, MDProvidence, RI 029051043240062
  5. Mariam Fayek, MDProvidence, RI 029051316997588
  6. Sheldon Lidofsky, MDProvidence, RI 029051447336904
  7. Peter Margolis, MDProvidence, RI 029051659457133
  8. Lisa Mueller, MDProvidence, RI 029051063583383

Common questions

What is William T. Chen, M.D.'s NPI number?

William T. Chen, M.D.'s National Provider Identifier (NPI) is 1467546051, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William T. Chen, M.D. located?

The NPPES record lists a practice address at 33 Staniford Street, Providence, RI, 02905. Phone: (401) 421-8800. Providers update this record themselves, so call before visiting.

How can I verify William T. Chen, M.D.'s license?

NPPES lists Rhode Island license number 10419, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William T. Chen, M.D. prescribe under Medicare Part D?

In 2024, William T. Chen, M.D. had 851 Medicare Part D claims for 296 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.