Doctor profile · Federal record
Dr. Ezenwa Onyema, MD
Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Houston, TX
- NPI 1679852636
- Accepts Medicare
- MIPS 81.3 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6431 Fannin St
Houston, TX 770301501
(713) 704-3989 - Mailing address
-
110 Irving St Nw
Washington, DC 200103017
Credentials & registration
- NPI registered
- August 2011 — 15 yrs on file
- Profile last updated
- June 22, 2022
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Maryland #MD042538
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679852636. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
175
Distinct HCPCS
3
Medicare allowed
$22,642
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 132 | 44 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $178 | |
99239 |
Hospital discharge day management, more than 30 minutes | 17 | 17 | $118 |
In context: peer comparison
Among 393 peers in this city , average services per provider: 127. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$107
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ACADIA Pharmaceuticals Inc | 2 | $87.74 | |
| Janssen Scientific Affairs, LLC | 1 | $19.55 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
15
Patients
0
Total drug cost
$972
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 15 | 0 | $972 |
Hospital affiliations
Frequently asked questions
What is Dr. Ezenwa Onyema's medical specialty?
Dr. Ezenwa Onyema practices Internal Medicine Physician in Houston, TX.
Where does Dr. Ezenwa Onyema practice?
Dr. Ezenwa Onyema practices at 6431 Fannin St, Houston, TX 770301501. Office phone: 7137043989.
What is Dr. Ezenwa Onyema's NPI?
Dr. Ezenwa Onyema's National Provider Identifier (NPI) is 1679852636, issued by NPPES.
Does Dr. Ezenwa Onyema accept Medicare assignment?
Yes. Dr. Ezenwa Onyema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ezenwa Onyema commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.