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ANTONIO BENJAMIN CHAVEZ D.O.
NPI 1366767493
Obstetrics & Gynecology in San Antonio, TX

Active since March 31, 2010PECOS Enrolled
502 MADISON OAK DR STE 160, SAN ANTONIO, TX 78258(210) 436-1182(210) 436-1183 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 1, 2026, Jul 14, 2023, Jul 22, 2021 and 2 more (5 updates tracked since 2017).

About Antonio Benjamin Chavez D.o. NPPES

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

ANTONIO BENJAMIN CHAVEZ D.O. (NPI 1366767493) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (Q1111) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366767493
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameANTONIO BENJAMIN CHAVEZCredential: D.O.
Location Address502 MADISON OAK DR STE 160San Antonio, TX 78258-4086
Mailing AddressPo Box 5730Belfast, ME 04915-5700 · (888) 402-7256 · Fax (888) 902-1099
Phone(210) 436-1182
Fax(210) 436-1183
Sole ProprietorNo
Enumeration DateMarch 31, 2010
Last NPPES UpdateApril 1, 20265 updates tracked since enumeration
NPPES CertifiedApril 1, 2026
✔ NPI 1366767493 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 · Q1111
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.
502 MADISON OAK DR STE 160, San Antonio, TX 78258
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Other Identifiers 1

Medicaid344028103TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Antonio Benjamin Chavez D.o. 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 Reassignments

5

Medicare enrollment records show Antonio Chavez reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bhs Physicians Network, Inc
Same address
Family Medicine
502 MADISON OAK DR STE 310
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 964 clinicians in this Medicare group
NPI 1598958431 (210) 483-8883
Lone Star Ob/Gyn Associates, P.A.
9.1 mi
Obstetrics & Gynecology
7950 FLOYD CURL DR, SUITE 300 & 400
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 64 clinicians in this Medicare group
NPI 1063441921 (210) 615-6505
Seton Family Of Doctors
47 mi
Neurological Surgery
6001 KYLE PKWY
Kyle, TX 78640
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
NPI 1730412388 (512) 324-8300
Obhg Texas Holdings, P.A.
72 mi
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
NPI 1083917769 (800) 967-2289
Scott & White Clinic
78 mi
Internal Medicine
1701 E PFLUGERVILLE PKWY
Pflugerville, TX 78660
  • Reassigned Medicare billing, Texas enrollment
  • 2,795 clinicians in this Medicare group
NPI 1679691729 (512) 259-6000

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 78258 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 2

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

DR. MICHELLE JEANINE MULDROW D.O.
Obstetrics & Gynecology
502 MADISON OAK DR STE 160
SAN ANTONIO, TX 78258
Bexar County (210) 436-1182
DR. MELODIE ZAMORA MD
Obstetrics & Gynecology
502 MADISON OAK DR STE 160
SAN ANTONIO, TX 78258
Bexar County (210) 436-1182

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 Antonio Chavez's NPI number?

The NPI number for Antonio Chavez is 1366767493. It was assigned to this individual provider in the NPPES registry on March 31, 2010.

Where is Antonio Chavez located?

Antonio Chavez practices at 502 Madison Oak Dr Ste 160, San Antonio, TX 78258. The listed phone number is (210) 436-1182.

What is Antonio Chavez's specialty?

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

Is Antonio Chavez enrolled in Medicare?

Yes. Antonio Chavez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Antonio Chavez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antonio Chavez reassigns Medicare benefits to 5 organizations: Bhs Physicians Network, Inc (San Antonio, TX), Lone Star Ob/Gyn Associates, P.A. (San Antonio, TX), Seton Family Of Doctors (Kyle, TX), Obhg Texas Holdings, P.A. (Austin, TX) and Scott & White Clinic (Pflugerville, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Antonio Chavez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Antonio Chavez accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First, Harbor Health and Oscar Insurance Company and 1 other insurer list Antonio Chavez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Antonio Chavez was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.