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

Q: 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.

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: August 16, 2026.

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

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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

Phone(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

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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.

DR. WILLIAM KING KELLY MD

Internal Medicine (Medical Oncology)