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

Pathology

Kelly C. Hallmark, MD

Works at hospitals in Brady, TX · San Angelo, TX · Texas

Summary

Kelly C. Hallmark, MD (Pathology) is listed by Medicare at 2 hospitals in Brady, TX and San Angelo, TX. NPI 1174704373. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly C. Hallmark, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of Texas Medical School At HoustonMedical school
FemaleGender (as listed)
Shannon ClinicGroup practice

Quick answers

Which hospitals does Kelly C. Hallmark work at?
Medicare's official clinician data lists Kelly C. Hallmark at 2 hospitals: Heart of Texas Memorial Hospital and Shannon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kelly C. Hallmark see patients?
Medicare's clinician data lists 10 practice locations, including San Angelo, TX. Call before your visit to confirm the address.
What is Kelly C. Hallmark's specialty?
Medicare lists Pathology as the primary specialty.
Does Kelly C. Hallmark accept Medicare assignment?
Yes. Medicare's clinician data says Kelly C. Hallmark 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 Kelly C. Hallmark?
(325) 747-1511, as listed in official Medicare / NPI Registry data.
What is Kelly C. Hallmark's NPI number?
1174704373. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kelly C. Hallmark works

Medicare's Facility Affiliation Data lists Kelly C. Hallmark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Kelly C. Hallmark is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.

Group practices

Medicare enrollment lists Kelly C. Hallmark as a member of this group (CMS data updated 2026-10-02).

  • Shannon Clinic559 clinicians in the group

Specialties

Find other Pathology doctors in Texas →

Other pathologists in San Angelo

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

All pathologists in San Angelo →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174704373
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians