Evan Ouyang, MD
Psychiatry Physician · Iowa City, IA
Evan Ouyang, MD is a psychiatry physician with a practice address in Iowa City, Iowa, and NPI 1477848190, issued on Jun 10, 2011. Check the license (Iowa R-9190, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Evan Ouyang
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- R-9190 IA
Self-reported in NPPES; status is on the state search - Practice location
- 755 W Benton St Apt 3, Iowa City, IA 52246
- Phone
- (515) 720-3567
- Enumerated
- Jun 10, 2011
- Record last updated
- Jun 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140410000211); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 398 in Iowa → Look up another NPI →
Verify Evan Ouyang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-9190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
120 Medicare Part D claims for 25 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clozapine20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $512.58
24 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Lukes Methodist HospitalCedar Rapids, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Evan Ouyang among 398 psychiatry physician records in Iowa
Evan Ouyang, MD is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2009 · median 2010 among the 188 with a school on file
- Record last updated2011 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
144 psychiatry physician records list a practice address in Iowa City
They are 144 of the 7,163 NPPES records with a practice address in Iowa City, and 398 psychiatry physician records in Iowa.
All 398 in Iowa → Every provider in Iowa City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Thomas Brashers-Krug, MDIowa City, IA 522461659414621
- Erin ChurchillIowa City, IA 522461295698447
- Kyle McGinty, MDIowa City, IA 522461164963351
- Anthony Miller, MDIowa City, IA 522461841372620
- Krystal Nizar, M.D., PH.D.Iowa City, IA 522461760748446
- Gabriela Cherascu, MDIowa City, IA 522451669461232
- Kimberly Verhoef, M.D.Iowa City, IA 522451922097484
- Christopher Welsh, MDIowa City, IA 522451275576571
Common questions
What is Evan Ouyang, MD's NPI number?
Evan Ouyang, MD's National Provider Identifier (NPI) is 1477848190, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Evan Ouyang, MD located?
The NPPES record lists a practice address at 755 W Benton St Apt 3, Iowa City, IA, 52246. Phone: (515) 720-3567. Providers update this record themselves, so call before visiting.
How can I verify Evan Ouyang, MD's license?
NPPES lists Iowa license number R-9190, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Evan Ouyang, MD prescribe under Medicare Part D?
In 2024, Evan Ouyang, MD had 120 Medicare Part D claims for 25 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.