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Emergency Medicine

Claire M. Roycroft, MD

Works at hospitals in Glen Burnie, MD · Maryland

Summary

Dr. Claire M. Roycroft, MD is an emergency medicine doctor at 301 Hospital Dr, Glen Burnie, MD 21061. Phone: (410) 787-4565. Accepts Medicare assignment. In 2024, Claire M. Roycroft had 407 Original Medicare patients and 768 services. NPI 1205279049. 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 Hospital Dr, Glen Burnie, MD 21061 · Directions
  • Phone: (410) 787‑4565
  • Medicare: Accepts Medicare assignment
  • Hospital: University of MD Baltimore Washington Medical Center
  • Group practice: Baltimore Washington Emergency Physicians, Inc.
  • Medical school: University Of South Florida College Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claire M. Roycroft, 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 Claire M. Roycroft accept Medicare assignment?
Yes. Medicare's clinician data says Claire M. Roycroft 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 Claire M. Roycroft see?
In 2024, CMS data shows 407 Original Medicare patients and 768 services for Claire M. Roycroft. This counts Original Medicare only and measures volume, not quality.
What is Claire M. Roycroft's NPI number?
1205279049. 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 Claire M. Roycroft, 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 patients407
Services billed to Medicare768
Different services or procedures24
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)310 services
  2. Emergency department visit with high level of medical decision making (99285)270 services
  3. Critical care, first 30-74 minutes (99291)73 services
  4. Emergency department visit with moderate level of medical decision making (99284)64 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%
  • Arthritis59%
  • Diabetes50%
  • Ischemic heart disease45%
  • Chronic kidney disease43%

Hospitals where Claire M. Roycroft works

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

Group practices

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

  • Baltimore Washington Emergency Physicians, Inc.31 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Glen Burnie

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

All emergency medicine doctors in Glen Burnie →

Other clinicians in Baltimore Washington Emergency Physicians, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205279049
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