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DEREK D OU M.D.
NPI 1053678318
Emergency Medicine in Austin, TX

Active since April 11, 2012PECOS Enrolled
1400 N INTERSTATE 35, SUITE C3.314, AUSTIN, TX 78701(512) 324-7000 Get Directions Write a Review

NPPES record last updated: April 11, 2012. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Derek D Ou M.d. NPPES

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

DEREK D OU M.D. (NPI 1053678318) is an individual emergency medicine provider in Austin, Texas, licensed in Texas (BP10042998) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053678318
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDEREK D OUCredential: M.D.
Location Address1400 N INTERSTATE 35, SUITE C3.314Austin, TX 78701-1926
Mailing Address722 Lakeshore DrSugar Land, TX 77478-4715 · (832) 863-1388
Phone(512) 324-7000
Sole ProprietorNo
Enumeration DateApril 11, 2012
✔ NPI 1053678318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · BP10042998
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1400 N INTERSTATE 35, Austin, TX 78701
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Derek D Ou M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Derek Ou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Travis County Emergency Physicians PA
2.3 mi
Emergency Medicine
1201 W 38TH ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 1,511 clinicians in this Medicare group
NPI 1962440933 (330) 493-4443

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78701 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STEVEN LEONARD HENRY MD
Plastic Surgery (Surgery of the Hand)
1400 N INTERSTATE 35, STE 320
AUSTIN, TX 78701
Travis County (512) 324-8320
DR. JUSTIN ROBERT ALLEN MD
Emergency Medicine
1400 N INTERSTATE 35, SUITE 2.230
AUSTIN, TX 78701
Travis County (512) 324-7010
JEFFERSON THAYER MILEY M.D.
Psychiatry & Neurology (Vascular Neurology)
1400 N INTERSTATE 35, STE 300
AUSTIN, TX 78701
Travis County (512) 324-8300
JIMMY L STICKLES MD
Emergency Medicine
1400 N INTERSTATE 35, SUITE C2.230
AUSTIN, TX 78701
Travis County (512) 324-8221
DR. CHRISTIAN TRUX M.D.
Emergency Medicine
1400 N INTERSTATE 35, SUITE C2.230
AUSTIN, TX 78701
Travis County (512) 324-8221

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 Derek Ou's NPI number?

The NPI number for Derek Ou is 1053678318. It was assigned to this individual provider in the NPPES registry on April 11, 2012.

Where is Derek Ou located?

Derek Ou practices at 1400 N Interstate 35 Suite C3.314, Austin, TX 78701. The listed phone number is (512) 324-7000.

What is Derek Ou's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Derek Ou enrolled in Medicare?

Yes. Derek Ou is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derek Ou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Ou reassigns Medicare benefits to Travis County Emergency Physicians PA (Austin, TX). The 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 Derek Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Ou accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Derek Ou 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.

When was this NPI record last updated?

The NPPES record for Derek Ou was last updated on April 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.