Doctor profile · Federal record
Dr. Chiamaka Onah, MD
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Dayton, OH
- NPI 1922637909
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
33 W Rahn RD
Dayton, OH 454292219
(937) 433-8990
fax (937) 433-8691 - Additional location
-
725 North St
Pittsfield, MA 012014124
(413) 447-2839
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- July 25, 2023
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35.147386
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922637909. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
175
Distinct HCPCS
4
Medicare allowed
$19,354
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 34 | $115 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 51 | 30 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 36 | 36 | $110 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 26 | $168 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 144. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$32
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, Inc | 1 | $16.36 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $15.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
22
Patients
11
Total drug cost
$118
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 11 | 0 | $55 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $63 |
Hospital affiliations
Frequently asked questions
What is Dr. Chiamaka Onah's medical specialty?
Dr. Chiamaka Onah practices Internal Medicine Physician in Dayton, OH.
Where does Dr. Chiamaka Onah practice?
Dr. Chiamaka Onah practices at 33 W Rahn RD, Dayton, OH 454292219. Office phone: 9374338990.
What is Dr. Chiamaka Onah's NPI?
Dr. Chiamaka Onah's National Provider Identifier (NPI) is 1922637909, issued by NPPES.
Does Dr. Chiamaka Onah accept Medicare assignment?
Yes. Dr. Chiamaka Onah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiamaka Onah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.