Derek D. Ou, M.D.
Emergency Medicine Physician · Austin, TX
Derek D. Ou, M.D. is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1053678318, issued on Apr 11, 2012. Check the license (Texas BP10042998, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Derek D. Ou
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- BP10042998 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N Interstate 35, Austin, TX 78701
- Phone
- (512) 324-7000
- Enumerated
- Apr 11, 2012
- Record last updated
- Apr 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 1400 N Interstate 35
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justin Allen, MDEmergency Medicine Physician1881126530
- Steven Henry, MDSurgery of the Hand (Plastic Surgery) Physician1770679607
- Jefferson Miley, M.D.Vascular Neurology Physician1922292259
- Jimmy Stickles, MDEmergency Medicine Physician1952711079
- Christian Trux, M.D.Emergency Medicine Physician1972913705
Verify Derek D. Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license BP10042998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average emergency medicine physician in 2024
165 Medicare Part D claims for 123 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Desloratadine27 claims
- Amoxicillin-Clavulanate Potass14 claims
- Mometasone Furoate13 claims
- Azithromycin12 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.
Derek D. Ou among 4,885 emergency medicine physician records in Texas
Derek D. Ou, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Austin → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Milton Anderson, M.D.Austin, TX 787011912962713
- John Cottey, M.D.Austin, TX 787011194780130
- Patrick Crocker, D.O.Austin, TX 787011184689077
- Megan Hood, MDAustin, TX 787011588638050
- Keith Hurst, D.O.Austin, TX 787011275598393
- James Kempema, M.D.Austin, TX 787011235194077
- William Lindsey, M.D.Austin, TX 787011396700332
- Sharon Long, M.D.Austin, TX 787011720042930
Common questions
What is Derek D. Ou, M.D.'s NPI number?
Derek D. Ou, M.D.'s National Provider Identifier (NPI) is 1053678318, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Derek D. Ou, M.D. located?
The NPPES record lists a practice address at 1400 N Interstate 35, Austin, TX, 78701. Phone: (512) 324-7000. Providers update this record themselves, so call before visiting.
How can I verify Derek D. Ou, M.D.'s license?
NPPES lists Texas license number BP10042998, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek D. Ou, M.D. prescribe under Medicare Part D?
In 2024, Derek D. Ou, M.D. had 165 Medicare Part D claims for 123 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.