Doctor profile · Federal record
Dr. Nnenna Okpara, M.D.
Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Providence, RI
- NPI 1093813313
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 Dudley St
Providence, RI 029052401
(401) 274-1122
fax (401) 453-7597
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 1, 2009
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Rhode Island #12271 · New York #230338
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093813313. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
132
Distinct HCPCS
6
Medicare allowed
$14,090
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 31 | 22 | $99 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 25 | 25 | $254 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 23 | 23 | $96 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 23 | 23 | $5 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $67 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $92 |
In context: peer comparison
Among 17 peers in Providence Gastroenterology Physician, average services per provider: 378. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$280
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Madrigal Pharmaceuticals | 1 | $150.00 | |
| Janssen Biotech, INC. | 1 | $129.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
147
Patients
23
Total drug cost
$443,106
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 42 | 23 | $852 |
| Famotidine | Generic | 34 | 0 | $562 |
| Linzess (Linaclotide) | Brand | 19 | 0 | $14,207 |
| Lactulose | Generic | 16 | 0 | $709 |
| Dicyclomine Hcl | Generic | 12 | 0 | $349 |
| Humira Pen (Adalimumab) | Brand | 12 | 0 | $83,870 |
| Stelara (Ustekinumab) | Brand | 12 | 0 | $342,559 |
Hospital affiliations
Frequently asked questions
What is Dr. Nnenna Okpara's medical specialty?
Dr. Nnenna Okpara practices Gastroenterology Physician in Providence, RI.
Where does Dr. Nnenna Okpara practice?
Dr. Nnenna Okpara practices at 101 Dudley St, Providence, RI 029052401. Office phone: 4012741122.
What is Dr. Nnenna Okpara's NPI?
Dr. Nnenna Okpara's National Provider Identifier (NPI) is 1093813313, issued by NPPES.
Does Dr. Nnenna Okpara accept Medicare assignment?
Yes. Dr. Nnenna Okpara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nnenna Okpara commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.