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Emergency Medicine

Angela Degraaf, MD

Works at hospitals in Alexandria, VA · Virginia

Summary

Dr. Angela Degraaf, MD is an emergency medicine doctor at 9321 Sanger St, Suite 100, Lorton, VA 22079. Phone: (703) 922-7631. Accepts Medicare assignment. In 2024, Angela Degraaf had 353 Original Medicare patients and 382 services. NPI 1205363660. 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: 9321 Sanger St, Suite 100, Lorton, VA 22079 · Directions
  • Phone: (703) 922‑7631
  • Medicare: Accepts Medicare assignment
  • Hospital: Inova Mount Vernon Hospital
  • Group practice: Commonwealth Emergency Physicians PC
  • Medical school: Wayne State University School Of Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Angela Degraaf, 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 Angela Degraaf accept Medicare assignment?
Yes. Medicare's clinician data says Angela Degraaf 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 Angela Degraaf see?
In 2024, CMS data shows 353 Original Medicare patients and 382 services for Angela Degraaf. This counts Original Medicare only and measures volume, not quality.
What is Angela Degraaf's NPI number?
1205363660. 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 Angela Degraaf, 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 patients353
Services billed to Medicare382
Different services or procedures12
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)167 services
  2. Critical care, first 30-74 minutes (99291)127 services
  3. Emergency department visit with moderate level of medical decision making (99284)55 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%
  • Arthritis53%
  • Diabetes39%
  • Ischemic heart disease39%
  • Chronic kidney disease36%

Hospitals where Angela Degraaf works

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

Group practices

Medicare enrollment lists Angela Degraaf as a member of this group (CMS data updated October 2, 2026).

  • Commonwealth Emergency Physicians PC45 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Virginia →

Other emergency medicine doctors in Lorton

Clinicians with the same Medicare primary specialty in Lorton, VA — not a recommendation.

All emergency medicine doctors in Lorton →

Other clinicians in Commonwealth Emergency Physicians PC

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205363660
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