Doctor profile · Federal record
Dr. Evan Ouyang, MD
Psychiatry Physician (CMS: Psychiatry) · Iowa City, IA
- NPI 1477848190
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
755 W Benton St Apt 3
Iowa City, IA 522465907
(515) 720-3567
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Iowa #R-9190
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477848190. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
317
Distinct HCPCS
4
Medicare allowed
$19,434
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 182 | 42 | $46 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 109 | 34 | $74 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $75 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $162 |
In context: peer comparison
Among 19 peers in Iowa City Psychiatry Physician, average services per provider: 81. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$513
Transactions
24
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, INC. | 5 | $98.43 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $76.23 | |
| Teva Pharmaceuticals USA, INC. | 3 | $62.71 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 3 | $61.99 | |
| Axsome Therapeutics, INC. | 3 | $59.47 | |
| Alkermes, INC. | 2 | $46.94 | |
| Neurocrine Biosciences, INC. | 2 | $44.75 | |
| Janssen Pharmaceuticals, INC | 2 | $33.14 | |
| Abbvie INC. | 1 | $28.92 |
By nature of payment
Frequently asked questions
What is Dr. Evan Ouyang's medical specialty?
Dr. Evan Ouyang practices Psychiatry Physician in Iowa City, IA.
Where does Dr. Evan Ouyang practice?
Dr. Evan Ouyang practices at 755 W Benton St Apt 3, Iowa City, IA 522465907. Office phone: 5157203567.
What is Dr. Evan Ouyang's NPI?
Dr. Evan Ouyang's National Provider Identifier (NPI) is 1477848190, issued by NPPES.
Does Dr. Evan Ouyang accept Medicare assignment?
Yes. Dr. Evan Ouyang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evan Ouyang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.