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Emergency Medicine

Erin M. Gillis, MD

Works at hospitals in Burlingame, CA · California

Summary

Dr. Erin M. Gillis, MD is an emergency medicine doctor at 1501 Trousdale Dr, Burlingame, CA 94010. Phone: (650) 696-5500. Accepts Medicare assignment. In 2024, Erin M. Gillis had 440 Original Medicare patients and 873 services. NPI 1154453702. 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: 1501 Trousdale Dr, Burlingame, CA 94010 · Directions
  • Phone: (650) 696‑5500
  • Medicare: Accepts Medicare assignment
  • Hospital: Peninsula Medical Center
  • Group practice: Mills-Peninsula Emergency Medical Associates, Inc
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erin M. Gillis, 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 Erin M. Gillis accept Medicare assignment?
Yes. Medicare's clinician data says Erin M. Gillis 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 Erin M. Gillis see?
In 2024, CMS data shows 440 Original Medicare patients and 873 services for Erin M. Gillis. This counts Original Medicare only and measures volume, not quality.
What is Erin M. Gillis's NPI number?
1154453702. 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 Erin M. Gillis, 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 patients440
Services billed to Medicare873
Different services or procedures35
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)272 services
  2. Emergency department visit with high level of medical decision making (99285)203 services
  3. Critical care, first 30-74 minutes (99291)119 services
  4. Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)103 services
  5. Emergency department visit with moderate level of medical decision making (99284)101 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%
  • Arthritis49%
  • Ischemic heart disease39%
  • Chronic kidney disease39%
  • Diabetes37%

Hospitals where Erin M. Gillis works

Medicare's Facility Affiliation Data lists Erin M. Gillis 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.

  • Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007

Practice locations

Addresses where Erin M. Gillis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mills-Peninsula Emergency Medical Associates, Inc28 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Burlingame

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

All emergency medicine doctors in Burlingame →

Other clinicians in Mills-Peninsula Emergency Medical Associates, Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154453702
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