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Emergency Medicine

Gabriella M. Miller, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Gabriella M. Miller, MD is an emergency medicine doctor at 301 Saint Paul Pl, Baltimore, MD 21202. Phone: (410) 332-9000. Accepts Medicare assignment. In 2024, Gabriella M. Miller had 242 Original Medicare patients and 301 services. NPI 1104452192. 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: 301 Saint Paul Pl, Baltimore, MD 21202 · Directions
  • Phone: (410) 332‑9000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center Inc
  • Group practice: Emergency Physicians SPPS
  • Medical school: University Of Maryland School Of Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Gabriella M. Miller, 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 Gabriella M. Miller accept Medicare assignment?
Yes. Medicare's clinician data says Gabriella M. Miller 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 Gabriella M. Miller see?
In 2024, CMS data shows 242 Original Medicare patients and 301 services for Gabriella M. Miller. This counts Original Medicare only and measures volume, not quality.
What is Gabriella M. Miller's NPI number?
1104452192. 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 Gabriella M. Miller, 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 patients242
Services billed to Medicare301
Different services or procedures19
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)162 services
  2. Emergency department visit with moderate level of medical decision making (99284)55 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)29 services
  4. Critical care, first 30-74 minutes (99291)20 services
  5. Emergency department visit with low level of medical decision making (99283)11 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%
  • Arthritis60%
  • Diabetes48%
  • Chronic kidney disease43%
  • Anxiety41%

Hospitals where Gabriella M. Miller works

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

Group practices

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

  • Emergency Physicians SPPS20 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All emergency medicine doctors in Baltimore →

Other clinicians in Emergency Physicians SPPS

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

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104452192
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