DR. KAREN C. DIAZ MD
NPI 1023125010
Obstetrics & Gynecology - Obstetrics in San Antonio, TX

Q: What is the provider's specialty?

The provider's specialty is Obstetrics & Gynecology with taxonomy code 207VX0000X and a focus in Obstetrics.

Active since August 24, 2006PECOS 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: August 23, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 23, 2024, Dec 6, 2022 (2 updates tracked since 2022).

On this page

About Dr. Karen C. Diaz Md NPPES

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

DR. KAREN C. DIAZ MD (NPI 1023125010) is an individual obstetrics provider in San Antonio, Texas, licensed in Texas (G4981) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1023125010

Entity TypeIndividualFemale

Primary Taxonomy207VX0000X

Provider Legal NameDR. KAREN C. DIAZCredential: 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 DateAugust 24, 2006

Last NPPES UpdateAugust 23, 20242 updates tracked since enumeration

NPPES CertifiedAugust 23, 2024

✔ NPI 1023125010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians

Taxonomy Code207VX0000X

License✔ Licensed in TX · G4981

Definition

A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License G4981 (TX)

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

Open in Google Maps ↗

Secondary Practice Location 1

Location 1903 W Martin StSan Antonio, TX 78207-0903 · Phone (210) 358-3582 · Fax (210) 358-3252

Other Identifiers 1

Medicaid117813901TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen C. Diaz 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.

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. RANDAL D ROBINSON MD

Obstetrics & Gynecology (Reproductive Endocrinology)