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WASHINGTON METRO SLEEP INSTITUTE INC
NPI 1861658296
Sleep Specialist, PhD in Waldorf, MD

Active since August 05, 2008
3450 OLD WASHINGTON RD STE 102, WALDORF, MD 20602(240) 585-5575(240) 585-5318 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 4, 2026, Apr 24, 2019, Apr 17, 2019 (3 updates tracked since 2019).

About Washington Metro Sleep Institute Inc NPPES

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

WASHINGTON METRO SLEEP INSTITUTE INC (NPI 1861658296) is a healthcare organization registered as a sleep specialist, phd in Waldorf, Maryland and active in the NPI registry since August 2008. The organization lists Eskender Beyene, Physician, as its authorized official.

NPPES Registry Identity

NPI1861658296
Entity TypeOrganization
Primary Taxonomy173F00000X
Legal Business NameWASHINGTON METRO SLEEP INSTITUTE INC
Location Address3450 OLD WASHINGTON RD STE 102Waldorf, MD 20602-3249
Mailing Address7800 Ox RdFairfax Station, VA 22039-2520 · (240) 585-5575 · Fax (240) 585-5318
Phone(240) 585-5575
Fax(240) 585-5318
Organization SubpartNo
Authorized OfficialEskender BeyenePhysician · (202) 270-6644
Enumeration DateAugust 5, 2008
Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1861658296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySleep Specialist, PhDOther Service Providers
Taxonomy Code173F00000X
Definition
Sleep medicine is a clinical specialty with a focus on clinical problems that require accurate diagnosis and treatment. The knowledge base of sleep medicine is derived from many disciplines including neuroanatomy, neurophysiology, respiratory physiology, pharmacology, psychology, psychiatry, neurology, general internal medicine, pulmonary medicine, and pediatrics as well as others.
3450 OLD WASHINGTON RD STE 102, Waldorf, MD 20602
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Other Identifiers 1

Other0101231496VA · Va License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Washington Metro Sleep Institute Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Washington Metro Sleep Institute Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Eskender Beyene, MD
Sleep Medicine
NPI 1982642518
1037 STERLING RD SUITE # 102
Herndon, VA 20170
(202) 270-6644
✔ PECOS✔ Accepts Medicare36 mi

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

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 Washington Metro Sleep Institute Inc's NPI number?

The NPI number for Washington Metro Sleep Institute Inc is 1861658296. It was assigned to this organization in the NPPES registry on August 5, 2008.

Where is Washington Metro Sleep Institute Inc located?

Washington Metro Sleep Institute Inc is located at 3450 Old Washington Rd Ste 102, Waldorf, MD 20602. The listed phone number is (240) 585-5575.

What is Washington Metro Sleep Institute Inc's specialty?

The primary specialty registered for this NPI is Sleep Specialist, PhD with taxonomy code 173F00000X.

Is Washington Metro Sleep Institute Inc enrolled in Medicare?

Yes. Washington Metro Sleep Institute Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Washington Metro Sleep Institute Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Sleep Medicine) reassigns their Medicare billing to Washington Metro Sleep Institute Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Washington Metro Sleep Institute Inc was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.