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Emergency Medicine

Sabrina M. Gunion, MD

Works at hospitals in Sacramento, CA · California

Summary

Dr. Sabrina M. Gunion, MD is an emergency medicine doctor at 1 Medical Plaza Dr, Roseville, CA 95661. Phone: (916) 781-1000. Accepts Medicare assignment. In 2024, Sabrina M. Gunion had 215 Original Medicare patients and 376 services. NPI 1346574829. 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: 1 Medical Plaza Dr, Roseville, CA 95661 · Directions (1 more location)
  • Phone: (916) 781‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Sutter Medical Center, Sacramento
  • Group practice: Vituity-California Observation Services PC
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sabrina M. Gunion, 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 Sabrina M. Gunion accept Medicare assignment?
Yes. Medicare's clinician data says Sabrina M. Gunion 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 Sabrina M. Gunion see?
In 2024, CMS data shows 215 Original Medicare patients and 376 services for Sabrina M. Gunion. This counts Original Medicare only and measures volume, not quality.
What is Sabrina M. Gunion's NPI number?
1346574829. 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 Sabrina M. Gunion, 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 patients215
Services billed to Medicare376
Different services or procedures12
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)149 services
  2. Emergency department visit with high level of medical decision making (99285)134 services
  3. Critical care, first 30-74 minutes (99291)60 services
  4. Emergency department visit with moderate level of medical decision making (99284)24 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%
  • Arthritis51%
  • Chronic kidney disease45%
  • Diabetes44%
  • Heart failure41%

Hospitals where Sabrina M. Gunion works

Medicare's Facility Affiliation Data lists Sabrina M. Gunion 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 Sabrina M. Gunion is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sabrina M. Gunion as a member of this group (CMS data updated October 2, 2026).

  • Vituity-California Observation Services PC82 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Roseville

Clinicians with the same Medicare primary specialty in Roseville, CA — not a recommendation.

All emergency medicine doctors in Roseville →

Other clinicians in Vituity-California Observation Services PC

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

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346574829
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