GREATER WASHINGTON ONCOLOGY ASSOCIATES
NPI 1740396761
Internal Medicine - Hematology & Oncology in Silver Spring, MD

Active since August 22, 2006
10750 COLUMBIA PIKE STE 501, SILVER SPRING, MD 20901(301) 593-9035 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 22, 2017 (3 updates tracked since 2017).

About Greater Washington Oncology Associates NPPES

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

GREATER WASHINGTON ONCOLOGY ASSOCIATES (NPI 1740396761) is a healthcare organization registered as a hematology & oncology in Silver Spring, Maryland and active in the NPI registry since August 2006. The organization maintains a secondary practice location in Silver Spring and lists Ram Swarup Trehan, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1740396761
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameGREATER WASHINGTON ONCOLOGY ASSOCIATES
Location Address10750 COLUMBIA PIKE STE 501Silver Spring, MD 20901-4402
Mailing Address10750 Columbia Pike, Suite 501Silver Spring, MD 20901-4402 · (301) 593-9035
Organization SubpartNo
Authorized OfficialRam Swarup TrehanManaging Partner · (301) 593-9035
Enumeration DateAugust 22, 2006
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1740396761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

10750 COLUMBIA PIKE STE 501, Silver Spring, MD 20901

Secondary Practice Location 1

Location 11400 Forest Glen Rd, suite 435Silver Spring, MD 20910-1459 · Phone (301) 593-9035

Other Identifiers 3

OtherCK8440DC · Railroad Medicare
Medicaid070203700DC
Medicaid403272100MD

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

Other Providers at the Same Location NPPES 8

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

Internal Medicine (Medical Oncology)
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Nurse Practitioner (Family)
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Internal Medicine (Hematology & Oncology)
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Physician Assistant
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Physician Assistant
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Nurse Practitioner
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Internal Medicine (Medical Oncology)
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901
Internal Medicine (Medical Oncology)
10750 COLUMBIA PIKE STE 501
SILVER SPRING, MD 20901

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 Oncology Associates's NPI number?

The NPI number for Greater Washington Oncology Associates is 1740396761. It was assigned to this organization in the NPPES registry on August 22, 2006.

Where is Greater Washington Oncology Associates located?

Greater Washington Oncology Associates is located at 10750 Columbia Pike Ste 501, Silver Spring, MD 20901. The listed phone number is (301) 593-9035.

What is Greater Washington Oncology Associates's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Greater Washington Oncology Associates was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.