GREATER WASHINGTON MEDICENTER LLC. T/A HEALTHCARE OF GREATER WASHINGTO
NPI 1366517013
Legal Medicine in Oxon Hill, MD

Q: What is Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Active since November 21, 2006

6357 OXON HILL RD, OXON HILL, MD 20745(301) 839-2820(301) 839-1354 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Greater Washington Medicenter Llc. T/a Healthcare Of Greater Washingto NPPES

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

GREATER WASHINGTON MEDICENTER LLC. T/A HEALTHCARE OF GREATER WASHINGTO (NPI 1366517013) is a healthcare organization registered as a legal medicine in Oxon Hill, Maryland and active in the NPI registry since November 2006. The organization lists Stephen T Ong, Md Owner, as its authorized official.

NPPES Registry Identity

NPI1366517013

Entity TypeOrganization

Primary Taxonomy173000000X

Legal Business NameGREATER WASHINGTON MEDICENTER LLC. T/A HEALTHCARE OF GREATER WASHINGTO

Location Address6357 OXON HILL RDOxon Hill, MD 20745-2214

Mailing Address6357 Oxon Hill RdOxon Hill, MD 20745-2214 · (301) 358-0002 · Fax (301) 839-1354

Phone(301) 839-2820

Fax(301) 839-1354

Organization SubpartNo

Authorized OfficialStephen T OngMd Owner · (301) 839-2700

Enumeration DateNovember 21, 2006

Last NPPES UpdateJuly 21, 2022

✔ NPI 1366517013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyLegal MedicineOther Service Providers

Taxonomy Code173000000X

Definition

The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.

6357 OXON HILL RD, Oxon Hill, MD 20745

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Greater Washington Medicenter Llc. T/a Healthcare Of Greater Washingto is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 7 clinicians reassign Medicare billing to Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Stephanie Meller, M. D.

Family Practice

NPI 1275941163

6357 OXON HILL RD
Oxon Hill, MD 20745

(301) 839-2700

✔ PECOS✔ Accepts MedicareSame address

Stephen Ong, MD

Family Practice

NPI 1851479281

6357 OXON HILL RD
Oxon Hill, MD 20745

(301) 839-2700

✔ PECOS✔ Accepts MedicareSame address

Ghazala Shah

Internal Medicine

NPI 1972682862

6357 OXON HILL RD
Oxon Hill, MD 20745

(301) 839-2700

✔ PECOS✔ Accepts MedicareSame address

Sudha Sikri, MD

Family Practice

NPI 1194804070

6357 OXON HILL ROAD
Oxon Hill, MD 20745

(301) 839-2700

✔ PECOS✔ Accepts MedicareSame address

Jorge Mondino, M.D.

Orthopedic Surgery

NPI 1770580680

6192 OXON HILL RD SUITE 200
Oxon Hill, MD 20745

(301) 567-7200

✔ PECOS0.6 mi

Abdulhosein Adham, M.D.

Gastroenterology

NPI 1710933791

125 POTOMAC PSGE STE 250
Oxon Hill, MD 20745

(240) 238-0077

✔ PECOS✔ Accepts Medicare1.8 mi

Aroor Rao, MD

Cardiovascular Disease (Cardiology)

NPI 1588644066

8116 GOOD LUCK RD SUITE 305
Lanham, MD 20706

(301) 552-1200

✔ PECOS✔ Accepts Medicare14 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 Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto's NPI number?

The NPI number for Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto is 1366517013. It was assigned to this organization in the NPPES registry on November 21, 2006.

Where is Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto located?

Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto is located at 6357 Oxon Hill Rd, Oxon Hill, MD 20745. The listed phone number is (301) 839-2820.

What is Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Is Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto enrolled in Medicare?

Yes. Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 5 Medicare specialties reassign their Medicare billing to Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto. 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. The largest specialties are Family Practice (3), Cardiovascular Disease (Cardiology) (1) and Gastroenterology (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Greater Washington Medicenter LLC. T/A Healthcare Of Greater Washingto was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.