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DR. ELIZABETH DEARING ROY M.D.
NPI 1821384082
Emergency Medicine in Washington, DC

Active since June 24, 2011PECOS Enrolled
2120 L ST NW STE 610, WASHINGTON, DC 20037(202) 741-2911(202) 741-2921 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2025, Mar 17, 2018 (2 updates tracked since 2018).

About Dr. Elizabeth Dearing Roy M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIZABETH DEARING ROY M.D. (NPI 1821384082) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD045854) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bethesda.

NPPES Registry Identity

NPI1821384082
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. ELIZABETH DEARING ROYCredential: M.D.
Location Address2120 L ST NW STE 610Washington, DC 20037-1540
Mailing Address2120 L St Nw Ste 450Washington, DC 20037-1541 · (202) 741-2911 · Fax (202) 741-2921
Phone(202) 741-2911
Fax(202) 741-2921
Sole ProprietorYes
Enumeration DateJune 24, 2011
Last NPPES UpdateAugust 7, 20252 updates tracked since enumeration
NPPES CertifiedAugust 7, 2025
✔ NPI 1821384082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in DC · MD045854✔ Licensed in TN · 52540✔ Licensed in MD · D84607
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2120 L ST NW STE 610, Washington, DC 20037
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Other Names 1

Former Name (1)Dr. Elizabeth Dearing M.d.

Secondary Practice Location 1

Location 18901 Wisconsin AveBethesda, MD 20889-1541 · Phone (301) 295-4810

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elizabeth Dearing Roy M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Elizabeth Dearing Roy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Faculty Associates, Inc
0.1 mi
Anesthesiology
2150 PENNSYLVANIA AVE NW, SUITE 10-409A
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,275 clinicians in this Medicare group
NPI 1417990581 (202) 741-3350
Academic Emergency Medicine Partners PLLC
0.1 mi
Emergency Medicine
900 23RD ST NW
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 25 clinicians in this Medicare group
NPI 1952256281 (202) 715-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ADAM RUTENBERG D.O.
Emergency Medicine
2120 L ST NW STE 610
WASHINGTON, DC 20037
District of Columbia (202) 741-2911

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Dearing Roy's NPI number?

The NPI number for Elizabeth Dearing Roy is 1821384082. It was assigned to this individual provider in the NPPES registry on June 24, 2011. The provider is also known as Dr. Elizabeth Dearing M.D..

Where is Elizabeth Dearing Roy located?

Elizabeth Dearing Roy practices at 2120 L St NW Ste 610, Washington, DC 20037. The listed phone number is (202) 741-2911.

What is Elizabeth Dearing Roy's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Elizabeth Dearing Roy enrolled in Medicare?

Yes. Elizabeth Dearing Roy is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elizabeth Dearing Roy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Dearing Roy reassigns Medicare benefits to 2 organizations: Medical Faculty Associates, Inc (Washington, DC) and Academic Emergency Medicine Partners PLLC (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Dearing Roy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Elizabeth Dearing Roy was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.