KATHERINE ELIZABETH KOSTROUN MD
NPI 1750888707
Obstetrics & Gynecology in San Antonio, TX

Q: What is Katherine Kostroun's NPI number?

The NPI number for Katherine Kostroun is 1750888707. It was assigned to this individual provider in the NPPES registry on April 6, 2018. The provider is also known as Katherine Elizabeth Laky.

Q: What is Katherine Kostroun's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since April 06, 2018PECOS Enrolled

8300 FLOYD CURL DR FL 5, SAN ANTONIO, TX 78229(210) 450-9500(210) 450-6027 Get Directions Write a Review

NPPES record last updated: April 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 6, 2022, Jan 28, 2022 (2 updates tracked since 2022).

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About Katherine Elizabeth Kostroun Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE ELIZABETH KOSTROUN MD (NPI 1750888707) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (T4954) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1750888707

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameKATHERINE ELIZABETH KOSTROUNCredential: MD

Location Address8300 FLOYD CURL DR FL 5San Antonio, TX 78229-3931

Mailing Address8300 Floyd Curl Dr Fl 5San Antonio, TX 78229-3931 · (210) 450-9500 · Fax (210) 450-6027

Phone(210) 450-9500

Fax(210) 450-6027

Sole ProprietorNo

Enumeration DateApril 6, 2018

Last NPPES UpdateApril 6, 20222 updates tracked since enumeration

NPPES CertifiedApril 6, 2022

✔ NPI 1750888707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in TX · T4954

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

8300 FLOYD CURL DR FL 5, San Antonio, TX 78229

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Other Names 1

Former Name (1)Katherine Elizabeth Laky

Secondary Practice Location 1

Location 1903 W Martin StSan Antonio, TX 78207-0903 · Phone (210) 358-3582 · Fax (210) 702-4207

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Elizabeth Kostroun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Kostroun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Texas Health Science Center At San Antonio

0.1 mi

Dental

8210 FLOYD CURL DR
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
2,397 clinicians in this Medicare group

NPI 1760424873 (210) 567-6405

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KAREN C. DIAZ MD

Obstetrics & Gynecology (Obstetrics)