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Emergency Medicine

Robert C. Montana Iii, MD

Works at hospitals in Odessa, TX · Springfield, MO · Austin, TX · Texas, Missouri

Summary

Dr. Robert C. Montana Iii, MD is an emergency medicine doctor at 1102 W Trenton Rd, Edinburg, TX 78539. Phone: (956) 388-6000. Accepts Medicare assignment. In 2024, Robert C. Montana Iii had 298 Original Medicare patients and 340 services. NPI 1649290370. 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 Robert C. Montana Iii, 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 Robert C. Montana Iii accept Medicare assignment?
Yes. Medicare's clinician data says Robert C. Montana Iii 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 Robert C. Montana Iii see?
In 2024, CMS data shows 298 Original Medicare patients and 340 services for Robert C. Montana Iii. This counts Original Medicare only and measures volume, not quality.
What is Robert C. Montana Iii's NPI number?
1649290370. 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 Robert C. Montana Iii, 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 patients298
Services billed to Medicare340
Different services or procedures15
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)157 services
  2. Emergency department visit with moderate level of medical decision making (99284)91 services
  3. Critical care, first 30-74 minutes (99291)43 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)26 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%
  • Arthritis57%
  • Anxiety45%
  • Ischemic heart disease44%
  • Depression44%

Hospitals where Robert C. Montana Iii works

Medicare's Facility Affiliation Data lists Robert C. Montana Iii 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 Robert C. Montana Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Robert C. Montana Iii as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Clinic Springfield Communities1,120 clinicians in the group
  • Longhorn Emergency Medical Associates PA159 clinicians in the group
  • Edinburg Emergency Medicine Associates PA72 clinicians in the group
  • Mercy Hospital Springfield51 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Edinburg

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

All emergency medicine doctors in Edinburg →

Other clinicians in Mercy Clinic Springfield Communities

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649290370
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