Brittany Warren, MD
Internal Medicine Physician · Austin, TX
Brittany Warren, MD is an internal medicine physician with a practice address in Austin, Texas, and NPI 1154018125, issued on Apr 20, 2023. Check the license (Texas 765441, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brittany Warren
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 765441 TX
Self-reported in NPPES; status is on the state search - Practice location
- Dell Medical School AT The University OF TX Gme Office, Austin, TX 78712
- Phone
- (512) 495-5555
- Enumerated
- Apr 20, 2023
- Record last updated
- Apr 20, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Brittany Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license 765441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
46 Medicare Part D claims for 20 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Brittany Warren among 9,175 internal medicine physician records in Texas
Brittany Warren, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
606 internal medicine physician records list a practice address in Austin
They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Alperin, M.D.Austin, TX 787121578532370
- Qaisar Alshebani, DOAustin, TX 787121073010724
- William Brode, MDAustin, TX 787121619362217
- Neesha Kurian, M.D.Austin, TX 787121477591824
- Jeffrey Latimer, M.D.Austin, TX 787121194950600
- Mahsa Mansouri, MDAustin, TX 787121982199386
- Melinda McMichael, M.D.Austin, TX 787121174596878
- Timothy Mercer, MDAustin, TX 787121215337092
Common questions
What is Brittany Warren, MD's NPI number?
Brittany Warren, MD's National Provider Identifier (NPI) is 1154018125, issued on Apr 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Brittany Warren, MD located?
The NPPES record lists a practice address at Dell Medical School AT The University OF TX Gme Office, Austin, TX, 78712. Phone: (512) 495-5555. Providers update this record themselves, so call before visiting.
How can I verify Brittany Warren, MD's license?
NPPES lists Texas license number 765441, 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 Brittany Warren, MD prescribe under Medicare Part D?
In 2024, Brittany Warren, MD had 46 Medicare Part D claims for 20 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.