Katherine Kostroun, MD
NPI 1750888707 · Obstetrics & Gynecology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Kostroun, MD is a Obstetrics & Gynecology Physician provider in San Antonio, TX (NPI 1750888707).
Provider details
- NPI number
- 1750888707
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- T4954 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,310 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 903 W Martin StSan Antonio, TX 78207-0903Phone: (210) 358-3582Fax: (210) 702-4207
Registry dates
- Enumerated
- 2018-04-06
- Last updated
- 2022-04-06
- Certified
- 2022-04-06
Frequently asked questions
- What is Katherine Kostroun's NPI number?
- Katherine Kostroun's National Provider Identifier (NPI) is 1750888707, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Kostroun's specialty?
- Katherine Kostroun is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Kostroun located?
- Katherine Kostroun's practice location on file with NPPES is 8300 Floyd Curl Dr Fl 5, San Antonio, TX 78229-3931.
- What is Katherine Kostroun's phone number?
- The practice phone number listed in the NPPES registry for Katherine Kostroun is (210) 450-9500.
- Does Katherine Kostroun accept Medicare?
- Katherine Kostroun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Kostroun's NPI active?
- Yes — Katherine Kostroun's NPI (1750888707) is active in the NPPES registry as of the last update on 2022-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.