Pedro Mariano Barros, M.D.
Gastroenterology Physician · East Greenwich, RI
Pedro Mariano Barros, M.D. is a gastroenterology physician with a practice address in East Greenwich, Rhode Island, and NPI 1649276494, issued on Jun 27, 2005. Check the license (Rhode Island MD11144, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Pedro Mariano Barros
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD11144 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1407 S County Trl, East Greenwich, RI 02818
- Phone
- (401) 886-4040
- Enumerated
- Jun 27, 2005
- Record last updated
- Jul 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (401) 886-4010
- Medicaid ID
- 9024183 RI
- Medicare enrollment
- Enrolled (PECOS I20051026000158); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 96 in Rhode Island → Look up another NPI →
Also registered at 1407 S County Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Allen, NMAdvanced Practice Midwife1942503875
- Angela Fishman, D.O.Gastroenterology Physician1437235983
- Caroline Golski, MDPsychiatry Physician1205356599
- Jennifer Grande, CNMAdvanced Practice Midwife1831579911
- Paige Hubbard, PAPhysician Assistant1558100941
- Henry Pendleton, N.P.Adult Health Nurse Practitioner1669810529
Verify Pedro Mariano Barros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD11144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average gastroenterology physician in 2024
1,500 Medicare Part D claims for 270 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole365 claims
- Famotidine306 claims
- Pantoprazole Sodium208 claims
- Dicyclomine Hcl88 claims
- Linzess73 claims
- Sucralfate62 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: $943.21
54 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.
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
- Affinity Physicians LLC.Warwick, RI
- University Gastroenterology, LLCProvidence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pedro Mariano Barros among 96 gastroenterology physician records in Rhode Island
Pedro Mariano Barros, 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 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
- Graduated2000 · 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.
All 96 in Rhode Island → Every provider in East Greenwich → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eric Berthiaume, M.D.East Greenwich, RI 028181235223843
- John Cribb, M.D.East Greenwich, RI 028181265526891
- Angela Fishman, D.O.East Greenwich, RI 028181437235983
- Philip Trupiano, DOEast Greenwich, RI 028181073684361
- Ravi Nadimpalli, M.D.Portsmouth, RI 028711306043021
- Pranith Perera, M.D.Portsmouth, RI 028711831361591
- Joseph Pianka, MDPortsmouth, RI 028711023189370
- Edward Dugas, MDWakefield, RI 028791922099472
Common questions
What is Pedro Mariano Barros, M.D.'s NPI number?
Pedro Mariano Barros, M.D.'s National Provider Identifier (NPI) is 1649276494, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Pedro Mariano Barros, M.D. located?
The NPPES record lists a practice address at 1407 S County Trl, East Greenwich, RI, 02818. Phone: (401) 886-4040. Providers update this record themselves, so call before visiting.
How can I verify Pedro Mariano Barros, M.D.'s license?
NPPES lists Rhode Island license number MD11144, 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 Pedro Mariano Barros, M.D. prescribe under Medicare Part D?
In 2024, Pedro Mariano Barros, M.D. had 1,500 Medicare Part D claims for 270 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.