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Anesthesiology

Mary Rose Gaylor, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Mary Rose Gaylor, MD is an anesthesiologist at 600 N Wolf St, Baltimore, MD 21287. Phone: (410) 502-4340. May accept Medicare assignment. In 2024, Mary Rose Gaylor had 69 Original Medicare patients and 128 services. NPI 1346700499. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 600 N Wolf St, Baltimore, MD 21287 · Directions (1 more location)
  • Phone: (410) 502‑4340
  • Medicare: May accept Medicare assignment
  • Hospital: The Johns Hopkins Hospital
  • Group practice: Johns Hopkins University
  • Medical school: Eastern Virginia Medical School · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Rose Gaylor, 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 Mary Rose Gaylor accept Medicare assignment?
Medicare's clinician data says Mary Rose Gaylor may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Mary Rose Gaylor see?
In 2024, CMS data shows 69 Original Medicare patients and 128 services for Mary Rose Gaylor. This counts Original Medicare only and measures volume, not quality.
What is Mary Rose Gaylor's NPI number?
1346700499. 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 Mary Rose Gaylor, 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 patients69
Services billed to Medicare128
Different services or procedures30
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)63 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%
  • Arthritis58%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
  • Diabetes49%
  • Chronic kidney disease36%

Hospitals where Mary Rose Gaylor works

Medicare's Facility Affiliation Data lists Mary Rose Gaylor 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 Mary Rose Gaylor is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Rose Gaylor as a member of this group (CMS data updated October 2, 2026).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Anesthesiology doctors in Maryland →

Other anesthesiologists in Baltimore

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

All anesthesiologists in Baltimore →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1346700499
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