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Emergency Medicine

Stephen R. Rosales, MD

Works at hospitals in Taylor, TX · San Antonio, TX · Round Rock, TX · Texas

Summary

Dr. Stephen R. Rosales, MD is an emergency medicine doctor at 4616 US Hwy 75, Suite 190, Denison, TX 75020. Phone: (405) 315-8440. Accepts Medicare assignment. In 2024, Stephen R. Rosales had 65 Original Medicare patients and 90 services. NPI 1679602478. 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 Stephen R. Rosales, 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 Stephen R. Rosales accept Medicare assignment?
Yes. Medicare's clinician data says Stephen R. Rosales 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 Stephen R. Rosales see?
In 2024, CMS data shows 65 Original Medicare patients and 90 services for Stephen R. Rosales. This counts Original Medicare only and measures volume, not quality.
What is Stephen R. Rosales's NPI number?
1679602478. 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 Stephen R. Rosales, 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 patients65
Services billed to Medicare90
Different services or procedures10
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)24 services
  2. Emergency department visit with high level of medical decision making (99285)24 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)19 services
  4. Critical care, first 30-74 minutes (99291)14 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 cholesterol71%
  • Arthritis54%
  • Diabetes45%
  • Anxiety45%
  • Ischemic heart disease38%

Hospitals where Stephen R. Rosales works

Medicare's Facility Affiliation Data lists Stephen R. Rosales 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 Stephen R. Rosales is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephen R. Rosales as a member of these groups (CMS data updated October 2, 2026).

  • Longhorn Emergency Medical Associates PA159 clinicians in the group
  • Dynamic Wound Care LLC17 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Denison

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

All emergency medicine doctors in Denison →

Other clinicians in Longhorn Emergency Medical Associates PA

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

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679602478
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