Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Martha E. Guadamud Pacheco, MD

Sees patients in San Antonio, TX · Texas

Summary

Martha E. Guadamud Pacheco, MD (Family Practice) is enrolled with Medicare at 1 practice location in San Antonio, TX. NPI 1275920043. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Martha E. Guadamud Pacheco, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
FemaleGender (as listed)
GMG Health Systems Associates PAGroup practice

Quick answers

Where does Martha E. Guadamud Pacheco see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is Martha E. Guadamud Pacheco's specialty?
Medicare lists Family Practice as the primary specialty.
Does Martha E. Guadamud Pacheco accept Medicare assignment?
Yes. Medicare's clinician data says Martha E. Guadamud Pacheco accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Martha E. Guadamud Pacheco?
(210) 921-3800, as listed in official Medicare / NPI Registry data.
What is Martha E. Guadamud Pacheco's NPI number?
1275920043. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Martha E. Guadamud Pacheco is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Martha E. Guadamud Pacheco as a member of this group (CMS data updated 2026-10-02).

  • GMG Health Systems Associates PA117 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All family doctors in San Antonio →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275920043
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians