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

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: August 09, 2026.

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

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
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

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.

Genetic Counselor, MS
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Obstetrics & Gynecology
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Obstetrics & Gynecology (Reproductive Endocrinology)
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Obstetrics & Gynecology
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Obstetrics & Gynecology (Maternal & Fetal Medicine)
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229
Obstetrics & Gynecology
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 78229

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Diaz's NPI number?

The NPI number for Karen Diaz is 1023125010. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Karen Diaz located?

Karen Diaz practices at 8300 Floyd Curl Dr Fl 5, San Antonio, TX 78229. The listed phone number is (210) 450-9500.

What is Karen Diaz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Karen Diaz enrolled in Medicare?

Yes. Karen Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Diaz was last updated on August 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.