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Emergency Medicine

Matthew Hennessey, DO

Works at hospitals in San Marcos, TX · Texas

Summary

Matthew Hennessey, DO (Emergency Medicine) is listed by Medicare at 1 hospital in San Marcos, TX. NPI 1760068530. 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 Matthew Hennessey, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Comal Emergency Physicians PLLCGroup practice

Quick answers

Which hospitals does Matthew Hennessey work at?
Medicare's official clinician data lists Matthew Hennessey at 1 hospital: CHRISTUS Santa Rosa Hospital-San Marcos. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew Hennessey see patients?
Medicare's clinician data lists 1 practice location in New Braunfels, TX. Call before your visit to confirm the address.
What is Matthew Hennessey's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Matthew Hennessey accept Medicare assignment?
Yes. Medicare's clinician data says Matthew Hennessey 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 Matthew Hennessey?
(830) 608-5600, as listed in official Medicare / NPI Registry data.
What is Matthew Hennessey's NPI number?
1760068530. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew Hennessey works

Medicare's Facility Affiliation Data lists Matthew Hennessey 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 Matthew Hennessey is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Matthew Hennessey as a member of this group (CMS data updated 2026-10-02).

  • Comal Emergency Physicians PLLC91 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in New Braunfels

Clinicians with the same Medicare primary specialty in New Braunfels, TX — not a recommendation.

All emergency medicine doctors in New Braunfels →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760068530
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