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EVAN OUYANG MD
NPI 1477848190
Psychiatry & Neurology - Psychiatry in Iowa City, IA

Active since June 10, 2011PECOS EnrolledAccepts Medicare Assignment
755 W BENTON ST APT 3, IOWA CITY, IA 52246(515) 720-3567 Get Directions Write a Review

NPPES record last updated: June 10, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Evan Ouyang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EVAN OUYANG MD (NPI 1477848190) is an individual psychiatry provider in Iowa City, Iowa, licensed in Iowa (R-9190) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2009).

NPPES Registry Identity

NPI1477848190
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameEVAN OUYANGCredential: MD
Location Address755 W BENTON ST APT 3Iowa City, IA 52246-5907
Mailing Address755 W Benton St Apt 3Iowa City, IA 52246-5907 · (515) 720-3567
Phone(515) 720-3567
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2009
Enumeration DateJune 10, 2011
✔ NPI 1477848190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IA · R-9190
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
755 W BENTON ST APT 3, Iowa City, IA 52246
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Evan Ouyang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608016027
PECOS Enrollment IDI20140410000211
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Evan Ouyang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Luke's Methodist Hospital
24 mi
Cardiovascular Disease
1026 A AVE NE, SUITE 5000
Cedar Rapids, IA 52402
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: St Lukes Methodist Hospital
  • 166 clinicians in this Medicare group
NPI 1184737876 (319) 368-5757
Iowa Physicians Clinic Medical Foundation
30 mi
General Practice
1518 MULBERRY AVENUE
Muscatine, IA 52761
  • Reassigned Medicare billing, Iowa enrollment
  • 1,506 clinicians in this Medicare group
NPI 1982831426 (515) 471-9300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
188 services37 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
110 services36 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Hospital

Acute Care Hospitals · Cedar Rapids, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160045
Location1026 A Ave NECedar Rapids, IA 52402 · Linn County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52246 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.40 typical visit price
range $52.96 – $161.40
Typical copayment $40.35 (range $13.24 – $40.35)
Most-billed visit code 99205
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Evan Ouyang's NPI number?

The NPI number for Evan Ouyang is 1477848190. It was assigned to this individual provider in the NPPES registry on June 10, 2011.

Where is Evan Ouyang located?

Evan Ouyang practices at 755 W Benton St Apt 3, Iowa City, IA 52246. The listed phone number is (515) 720-3567.

What is Evan Ouyang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Evan Ouyang enrolled in Medicare?

Yes. Evan Ouyang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Evan Ouyang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Evan Ouyang reassigns Medicare benefits to 2 organizations: St. Luke's Methodist Hospital (Cedar Rapids, IA) and Iowa Physicians Clinic Medical Foundation (Muscatine, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Evan Ouyang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Evan Ouyang accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Evan Ouyang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Evan Ouyang affiliated with any hospitals?

According to CMS data, Evan Ouyang is affiliated with St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Evan Ouyang was last updated on June 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.