Nnenna Chinyere Okpara, M.D.
Gastroenterology Physician · Providence, RI
Nnenna Chinyere Okpara, M.D. is a gastroenterology physician with a practice address in Providence, Rhode Island, and NPI 1093813313, issued on Sep 20, 2006. Check the license (Rhode Island 12271, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Nnenna Chinyere Okpara
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 12271 RI
230338 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 Dudley St, Providence, RI 02905
- Phone
- (401) 274-1122
- Enumerated
- Sep 20, 2006
- Record last updated
- Apr 1, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (401) 453-7597
- Medicare enrollment
- Enrolled (PECOS I20091208000467); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2002
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 96 in Rhode Island → Look up another NPI →
Also registered at 101 Dudley St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Abern, MDObstetrics & Gynecology Physician1851528467
- Emily Adams, MDObstetrics & Gynecology Physician1750021622
- Victoria Adewale, MDObstetrics & Gynecology Physician1467015024
- Brigida Aguiar, LICSWSocial Worker1356360572
- Barbara Alksninis, NPPPediatric Nurse Practitioner1447586490
- Rebecca Allen, MDGynecology Physician1669457735
Verify Nnenna Chinyere Okpara 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 12271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average gastroenterology physician in 2024
248 Medicare Part D claims for 78 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Omeprazole46 claims
- Famotidine36 claims
- Linzess35 claims
- Gavilyte-C28 claims
- Nadolol13 claims
- Stelara13 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: $279.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. 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 one group practice
- Affinity Physicians LLC.Warwick, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nnenna Chinyere Okpara among 96 gastroenterology physician records in Rhode Island
Nnenna Chinyere Okpara, 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
- Graduated2002 · median 1997 among the 66 with a school on file
- Record last updated2009 · 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 Providence → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Paul Akerman, MDProvidence, RI 029051942302773
- Nicholas Califano, M.D.Providence, RI 029051679668164
- Leslie Cashel, M.D.Providence, RI 029051861585515
- William Chen, M.D.Providence, RI 029051467546051
- Christy Dibble, MDProvidence, RI 029051043240062
- Mariam Fayek, MDProvidence, RI 029051316997588
- Sheldon Lidofsky, MDProvidence, RI 029051447336904
- Peter Margolis, MDProvidence, RI 029051659457133
Common questions
What is Nnenna Chinyere Okpara, M.D.'s NPI number?
Nnenna Chinyere Okpara, M.D.'s National Provider Identifier (NPI) is 1093813313, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nnenna Chinyere Okpara, M.D. located?
The NPPES record lists a practice address at 101 Dudley St, Providence, RI, 02905. Phone: (401) 274-1122. Providers update this record themselves, so call before visiting.
How can I verify Nnenna Chinyere Okpara, M.D.'s license?
NPPES lists Rhode Island license number 12271, 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 Nnenna Chinyere Okpara, M.D. prescribe under Medicare Part D?
In 2024, Nnenna Chinyere Okpara, M.D. had 248 Medicare Part D claims for 78 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.