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Emergency Medicine

Maria T. Robinson, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Dr. Maria T. Robinson, MD is an emergency medicine doctor at 1171 W Target Range Rd, Nogales, AZ 85621. Phone: (520) 285-8020. Accepts Medicare assignment. In 2024, Maria T. Robinson had 104 Original Medicare patients and 134 services. NPI 1245312289. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1171 W Target Range Rd, Nogales, AZ 85621 · Directions (1 more location)
  • Phone: (520) 285‑8020
  • Medicare: Accepts Medicare assignment
  • Hospitals: St Joseph's Hospital, Tucson Medical Center
  • Group practice: Sound Physicians Emergency Medicine of Arizona Inc (+1 more)
  • Medical school: University Of Arizona College Of Medicine · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria T. Robinson, 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 Maria T. Robinson accept Medicare assignment?
Yes. Medicare's clinician data says Maria T. Robinson 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 Maria T. Robinson see?
In 2024, CMS data shows 104 Original Medicare patients and 134 services for Maria T. Robinson. This counts Original Medicare only and measures volume, not quality.
What is Maria T. Robinson's NPI number?
1245312289. 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 Maria T. Robinson, 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 patients104
Services billed to Medicare134
Different services or procedures13
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)85 services
  2. Emergency department visit with high level of medical decision making (99285)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%
  • Arthritis38%
  • Ischemic heart disease34%
  • Diabetes32%
  • Chronic kidney disease30%

Hospitals where Maria T. Robinson works

Medicare's Facility Affiliation Data lists Maria T. Robinson 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.

  • St Joseph's HospitalTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030011
  • Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006

Practice locations

Addresses where Maria T. Robinson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria T. Robinson as a member of these groups (CMS data updated October 2, 2026).

  • Sound Physicians Emergency Medicine of Arizona Inc42 clinicians in the group
  • Cep America-Arizona LLP31 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Nogales

Clinicians with the same Medicare primary specialty in Nogales, AZ — not a recommendation.

All emergency medicine doctors in Nogales →

Other clinicians in Sound Physicians Emergency Medicine of Arizona Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245312289
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