Andrew Keyser, M.D.
Emergency Medicine Physician · Austin, TX
Andrew Keyser, M.D. is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1225442023, issued on Jun 19, 2014. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Keyser
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R74614 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5900 Balcones Dr # 8454, Austin, TX 78731
- Phone
- (970) 980-8933
- Enumerated
- Jun 19, 2014
- Record last updated
- Nov 17, 2025
- Fax
- (800) 524-3139
- Medicare enrollment
- Enrolled (PECOS I20171110002349); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify Andrew Keyser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
69 Medicare Part D claims for 61 beneficiaries, against an average of 226 among the 54,106 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.
Bills Medicare through one group practice
- Drh Medical GroupOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Keyser among 4,885 emergency medicine physician records in Texas
Andrew Keyser, 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 2014, is newer than 63% of them.
- NPI issued2014 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2013 among the 2,779 with a school on file
- Record last updated2025 · 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
- Teresa Boehm, M.D.Austin, TX 787311598889107
- William Edwards, M.D.Austin, TX 787311740253533
- Alexandra Ely, D.O.Austin, TX 787311154331460
- Daniela Gerard, MD, PHDAustin, TX 787311871544148
- Oswaldo Hasbun Avalos, MDAustin, TX 787311104320019
- Jon Jaffe, M.D.Austin, TX 787311013977594
- Jordan Laroe, M.D.Austin, TX 787311760532469
- Arrodeja MassieAustin, TX 787311295651230
Common questions
What is Andrew Keyser, M.D.'s NPI number?
Andrew Keyser, M.D.'s National Provider Identifier (NPI) is 1225442023, issued on Jun 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Keyser, M.D. located?
The NPPES record lists a practice address at 5900 Balcones Dr # 8454, Austin, TX, 78731. Phone: (970) 980-8933. Providers update this record themselves, so call before visiting.
How can I verify Andrew Keyser, M.D.'s license?
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 Andrew Keyser, M.D. prescribe under Medicare Part D?
In 2024, Andrew Keyser, M.D. had 69 Medicare Part D claims for 61 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.