Katherine Elizabeth Kostroun, MD
Obstetrics & Gynecology Physician · San Antonio, TX
Katherine Elizabeth Kostroun, MD is an obstetrics & gynecology physician with a practice address in San Antonio, Texas, and NPI 1750888707, issued on Apr 6, 2018. Check the license (Texas T4954, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Elizabeth Kostroun
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- T4954 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Floyd Curl Dr FL 5, San Antonio, TX 78229
- Phone
- (210) 450-9500
- Enumerated
- Apr 6, 2018
- Record last updated
- Apr 6, 2022
- Fax
- (210) 450-6027
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 8300 Floyd Curl Dr FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Balstad, CNMAdvanced Practice Midwife1750077038
- Rachelle Bandino, PA-CPhysician Assistant1619621745
- Amy Bible, CNMAdvanced Practice Midwife1508976200
- Megan Brister, CNMAdvanced Practice Midwife1407207921
- Deborah Conway, MDMaternal & Fetal Medicine Physician1336256312
- Rachael Counts, MDObstetrics & Gynecology Physician1568081602
Verify Katherine Elizabeth Kostroun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T4954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,309.93
4 payments; by number, the most common kind was travel and lodging; the largest payer was Ferring Pharmaceuticals Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Elizabeth Kostroun among 3,524 obstetrics & gynecology physician records in Texas
Katherine Elizabeth Kostroun, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in San Antonio → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Valentin Almendarez, M.D.San Antonio, TX 782291326037615
- James Bost, MDSan Antonio, TX 782291225021751
- Leslie Brown, MDSan Antonio, TX 782291710958400
- Karen Carcamo, M.D.San Antonio, TX 782291235129271
- Douglas Creedon, M.D.San Antonio, TX 782291295714780
- Rochelle David, M.D.San Antonio, TX 782291235111758
- David Dooley, M.D.San Antonio, TX 782291518947902
- Henry Garza, III, M.D.San Antonio, TX 782291962491175
Common questions
What is Katherine Elizabeth Kostroun, MD's NPI number?
Katherine Elizabeth Kostroun, MD's National Provider Identifier (NPI) is 1750888707, issued on Apr 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Elizabeth Kostroun, MD located?
The NPPES record lists a practice address at 8300 Floyd Curl Dr FL 5, San Antonio, TX, 78229. Phone: (210) 450-9500. Providers update this record themselves, so call before visiting.
How can I verify Katherine Elizabeth Kostroun, MD's license?
NPPES lists Texas license number T4954, 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. 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.