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

Emergency Medicine

Duane A. Penshorn, MD

Works at hospitals in San Antonio, TX · San Marcos, TX · Texas

Summary

Dr. Duane A. Penshorn, MD is an emergency medicine doctor at 244 Creekside Xing, New Braunfels, TX 78130. Phone: (830) 608-5600. Accepts Medicare assignment. In 2024, Duane A. Penshorn had 242 Original Medicare patients and 269 services. NPI 1235221771. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Duane A. Penshorn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Duane A. Penshorn accept Medicare assignment?
Yes. Medicare's clinician data says Duane A. Penshorn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Duane A. Penshorn see?
In 2024, CMS data shows 242 Original Medicare patients and 269 services for Duane A. Penshorn. This counts Original Medicare only and measures volume, not quality.
What is Duane A. Penshorn's NPI number?
1235221771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Duane A. Penshorn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients242
Services billed to Medicare269
Different services or procedures13
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)88 services
  2. Critical care, first 30-74 minutes (99291)87 services
  3. Emergency department visit with moderate level of medical decision making (99284)72 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis52%
  • Ischemic heart disease51%
  • Diabetes45%
  • Chronic kidney disease43%

Hospitals where Duane A. Penshorn works

Medicare's Facility Affiliation Data lists Duane A. Penshorn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Duane A. Penshorn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Duane A. Penshorn as a member of this group (CMS data updated October 2, 2026).

  • 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 →

Other clinicians in Comal Emergency Physicians PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTexas A & M University System, Hsc, College Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235221771
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians