Doctor profile · Federal record
Dr. Nnenna Nwogu, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Emeryville, CA
- NPI 1255711461
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5800 Hollis St
Emeryville, CA 946082016
(510) 806-2100 - Additional location
-
550 1St Ave
New York, NY 10016
(212) 263-5506
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- April 22, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #A167615 · New York #294294
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255711461. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
536
Distinct HCPCS
7
Medicare allowed
$50,053
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 293 | 234 | $73 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 108 | 92 | $109 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 63 | 63 | $153 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 27 | 25 | $40 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $148 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 17 | $163 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 11 | 11 | $74 |
In context: peer comparison
Among 7 peers in Emeryville Internal Medicine Physician, average services per provider: 143. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
593
Patients
213
Total drug cost
$9,282
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 126 | 51 | $1,673 |
| Amlodipine Besylate | Generic | 57 | 29 | $546 |
| Levothyroxine Sodium | Generic | 53 | 20 | $751 |
| Losartan Potassium | Generic | 52 | 22 | $892 |
| Lisinopril | Generic | 45 | 19 | $555 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 40 | 13 | $972 |
| Rosuvastatin Calcium | Generic | 38 | 20 | $649 |
| Pantoprazole Sodium | Generic | 27 | 12 | $455 |
| Alendronate Sodium | Generic | 25 | 0 | $389 |
| Sertraline Hcl | Generic | 24 | 12 | $337 |
Hospital affiliations
Frequently asked questions
What is Dr. Nnenna Nwogu's medical specialty?
Dr. Nnenna Nwogu practices Internal Medicine Physician in Emeryville, CA.
Where does Dr. Nnenna Nwogu practice?
Dr. Nnenna Nwogu practices at 5800 Hollis St, Emeryville, CA 946082016. Office phone: 5108062100.
What is Dr. Nnenna Nwogu's NPI?
Dr. Nnenna Nwogu's National Provider Identifier (NPI) is 1255711461, issued by NPPES.
Does Dr. Nnenna Nwogu accept Medicare assignment?
Yes. Dr. Nnenna Nwogu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nnenna Nwogu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.