WILLIAM B ERSHLER
NPI 1083895866
Internal Medicine - Hematology & Oncology in Falls Church, VA

Active since November 20, 2007
6400 ARLINGTON BLVD, SUITE 940, FALLS CHURCH, VA 22042(703) 241-1010(703) 241-7723 Get Directions Write a Review

NPPES record last updated: November 16, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William B Ershler NPPES

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

WILLIAM B ERSHLER (NPI 1083895866) is a healthcare organization registered as a hematology & oncology in Falls Church, Virginia and active in the NPI registry since November 2007. The organization lists William B Ershler, Physician, as its authorized official.

NPPES Registry Identity

NPI1083895866
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameWILLIAM B ERSHLER
Location Address6400 ARLINGTON BLVD, SUITE 940Falls Church, VA 22042-2325
Mailing Address6400 Arlington Blvd, Suite 940Falls Church, VA 22042-2325 · (703) 241-1010 · Fax (703) 241-7723
Fax(703) 241-7723
Organization SubpartNo
Authorized OfficialWilliam B ErshlerPhysician · (703) 241-1010
Enumeration DateNovember 20, 2007
Last NPPES UpdateNovember 16, 2011
NPI 1083895866 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in VA · 0101054727
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.
6400 ARLINGTON BLVD, Falls Church, VA 22042

Other Identifiers 3

Medicare UPINB52662VA
Medicaid005862493VA
Medicare PING00664VA

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

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Nephrology)
6400 ARLINGTON BLVD, SUITE 940
FALLS CHURCH, VA 22042
Pharmacist
6400 ARLINGTON BLVD
FALLS CHURCH, VA 22042
Counselor (Professional)
6400 ARLINGTON BLVD, SUITE 110
FALLS CHURCH, VA 22042
Marriage & Family Therapist
6400 ARLINGTON BLVD
FALLS CHURCH, VA 22042
Student in an Organized Health Care Education/Training Program
6400 ARLINGTON BLVD
FALLS CHURCH, VA 22042
Clinic/Center (Dental)
6400 ARLINGTON BLVD, SUITE 80
FALLS CHURCH, VA 22042
Pharmacy
6400 ARLINGTON BLVD
FALLS CHURCH, VA 22042
Counselor (Mental Health)
6400 ARLINGTON BLVD
FALLS CHURCH, VA 22042

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 William B Ershler's NPI number?

The NPI number for William B Ershler is 1083895866. It was assigned to this organization in the NPPES registry on November 20, 2007.

Where is William B Ershler located?

William B Ershler is located at 6400 Arlington Blvd Suite 940, Falls Church, VA 22042. The listed phone number is (703) 241-1010.

What is William B Ershler'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 William B Ershler was last updated on November 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.