Sarah Olstyn Martinez, D.O.
Emergency Medicine Physician · Austin, TX
Sarah Olstyn Martinez, D.O. is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1063602001, issued on Jul 26, 2007. Check the license (Texas N4639, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sarah Olstyn Martinez
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- N4639 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11113 Research Blvd, Austin, TX 78759
- Phone
- (512) 324-6010
- Enumerated
- Jul 26, 2007
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 207655601 TX
036118906 IL
207655602 TX - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 11113 Research Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angelina Borkovska, NPFamily Nurse Practitioner1902577166
- Kaleigh CooperNurse Practitioner1710709241
- Michael Elkins, PA-CPhysician Assistant1306089032
- Joseph Hemerka, M.D.Emergency Medicine Physician1316205735
- Antonio HernandezPhysician Assistant1043011661
Verify Sarah Olstyn Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sarah Olstyn Martinez among 4,885 emergency medicine physician records in Texas
Sarah Olstyn Martinez, D.O. 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 not. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2020 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,885 in Texas → Every provider in Austin → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- T Hayden Dietz, DOAustin, TX 787591932315983
- Archit Gulati, M.D.Austin, TX 787591780022566
- Joseph Hemerka, M.D.Austin, TX 787591316205735
- Jessica Killingley, MDAustin, TX 787591629764105
- Alexandra Reed, DOAustin, TX 787591467012880
- Brian WeylieAustin, TX 787591518101518
- Pamela Ashley, MDAustin, TX 787581780630889
- Amol Desai, M.D.Austin, TX 787581376707349
Common questions
What is Sarah Olstyn Martinez, D.O.'s NPI number?
Sarah Olstyn Martinez, D.O.'s National Provider Identifier (NPI) is 1063602001, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Olstyn Martinez, D.O. located?
The NPPES record lists a practice address at 11113 Research Blvd, Austin, TX, 78759. Phone: (512) 324-6010. Providers update this record themselves, so call before visiting.
How can I verify Sarah Olstyn Martinez, D.O.'s license?
NPPES lists Texas license number N4639, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.