NPPES file of Aug 9, 2026

Robert Wolfgang, D.O.

Gastroenterology Physician · Cranston, RI

Robert Wolfgang, D.O. is a gastroenterology physician with a practice address in Cranston, Rhode Island, and NPI 1871587550, issued on Sep 8, 2005. Check the license (Rhode Island RI501, 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
1871587550
Name
Robert Wolfgang
Credential
D.O.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
RI501 RI
Self-reported in NPPES; status is on the state search
Practice location
1150 Reservoir Ave, Cranston, RI 02920
Phone
(401) 943-1300
Enumerated
Sep 8, 2005
Record last updated
Mar 29, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(401) 946-8480
Medicaid ID
IM02288 RI
Medicare enrollment
Enrolled (PECOS I20101118000006); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1990
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 1150 Reservoir Ave

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

  1. Dawn BarbozaMassage Therapist1639341050
  2. Robert Bierwirth, M.D.Gastroenterology Physician1053517565
  3. James Bonner, M.D.Pediatrics Physician1083754717
  4. A. Child, ODOptometrist1366599441
  5. William Coscina, MDDiagnostic Radiology Physician1801886353
  6. Deirdre Couture, RNPAdult Health Nurse Practitioner1871645341

Verify Robert Wolfgang 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 RI501
    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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3.1 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,535 Medicare Part D claims for 467 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Robert Wolfgang2,535
  2. Specialty average811

Most prescribed

  1. Famotidine544 claims
  2. Omeprazole522 claims
  3. Pantoprazole Sodium384 claims
  4. Sucralfate94 claims
  5. Dicyclomine Hcl88 claims
  6. Mesalamine Er80 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: $1,586.54

87 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. Robert Wolfgang$1,586.54
  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 2 group practices

  1. Internal Medicine Associates IncCranston, RI
  2. University Gastroenterology, LLCProvidence, RI

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

Robert Wolfgang among 96 gastroenterology physician records in Rhode Island

Robert Wolfgang, D.O. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 81% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1990 · median 1997 among the 66 with a school on file
  • Record last updated2010 · 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. Robert Bierwirth, M.D.Cranston, RI 029201053517565
  2. Morris Elevado, M.D.Cranston, RI 029201417941105
  3. Thomas McGreen, M.D.Cranston, RI 029201043205537
  4. George Powers, M.D.Cranston, RI 029201255325932
  5. Paul Roderick, M.D.Cranston, RI 029201831183904
  6. Colin Woodard, DOCranston, RI 029201760820591
  7. Vincent Vacca, MDJohnston, RI 029191407832595
  8. Apaar Dadlani, M.D.Riverside, RI 029151427611557

Common questions

What is Robert Wolfgang, D.O.'s NPI number?

Robert Wolfgang, D.O.'s National Provider Identifier (NPI) is 1871587550, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Wolfgang, D.O. located?

The NPPES record lists a practice address at 1150 Reservoir Ave, Cranston, RI, 02920. Phone: (401) 943-1300. Providers update this record themselves, so call before visiting.

How can I verify Robert Wolfgang, D.O.'s license?

NPPES lists Rhode Island license number RI501, 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 Robert Wolfgang, D.O. prescribe under Medicare Part D?

In 2024, Robert Wolfgang, D.O. had 2,535 Medicare Part D claims for 467 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.