Dr William B Ershler, MD in Fairfax, VA - Medicare Internal Medicine

Dr William B Ershler, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Fairfax, Virginia. He went to State University Of Ny Upstate Medical University and graduated in 1974 and has 50 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Inova Health Care Services and his current practice location is 8501 Arlington Blvd Ste 340, Fairfax, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 207-0733.

Dr William B Ershler is licensed to practice in Virginia (license number 0101054727) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1669496881.

Contact Information

	Dr William B Ershler, MD
	8501 Arlington Blvd Ste 340, Fairfax, VA 22031
	(703) 207-0733
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr William B Ershler
Gender	Male
Speciality	Internal Medicine
Experience	50 Years
Location	8501 Arlington Blvd Ste 340, Fairfax, Virginia
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr William B Ershler attended and graduated from State University Of Ny Upstate Medical University in 1974

NPI Data:

NPI Number: 1669496881
Provider Enumeration Date: 07/27/2006
Last Update Date: 11/27/2023

Medicare PECOS Information:

PECOS PAC ID: 7113107822
Enrollment ID: I20111229000122

Medical Identifiers

Medical identifiers for Dr William B Ershler such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1669496881	NPI	-	NPPES
005862493	Medicaid	VA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0003X	Internal Medicine - Hematology & Oncology	0101054727 (Virginia)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Inova Fairfax Hospital	Falls church, VA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Inova Health Care Services	2466351093	1778

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr William B Ershler allows following entities to bill medicare on his behalf.

Entity Name	Inova Health Care Services
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952320061 PECOS PAC ID: 2466351093 Enrollment ID: O20040102000644

Entity Name	Inova Health Care Services
Entity Type	Part B Supplier - Hospital Department(s)
Entity Identifiers	NPI Number: 1275097123 PECOS PAC ID: 2466351093 Enrollment ID: O20190509001539

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William B Ershler is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr William B Ershler, MD 8110 Gatehouse Rd Ste 300w, Falls Church, VA 22042-1253 Ph: (703) 207-0733	Dr William B Ershler, MD 8501 Arlington Blvd Ste 340, Fairfax, VA 22031 Ph: (703) 207-0733

Reviews and Comments

Internal Medicine Doctors in Fairfax, VA

Shivangi Vachhani, M.D. Hematology & Oncology Medicare: Medicare Enrolled Practice Location: 3700 Joseph Siewick Dr Ste 408a, Fairfax, VA 22033 Phone: 877-511-4625 Fax: 703-204-9006
Dr. Raymund S Cuevo, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 8081 Innovation Park Dr, Fairfax, VA 22031 Phone: 571-472-4724 Fax: 571-472-0241
Dr. Michael Maitland, M.D., PH.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 8081 Innovation Park Dr, Fairfax, VA 22031 Phone: 571-472-4724 Fax: 571-472-1601
Aswani Kumar Suthrave, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 3600 Joseph Siewick Dr, Fairfax, VA 22033 Phone: 703-391-3600
Nader H Balba, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 3028 Javier Rd Ste 500, Fairfax, VA 22031 Phone: 703-698-8960 Fax: 571-494-5794
Rona Harthill Earle, Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 3020 Hamaker Ct Ste B102, Fairfax, VA 22031 Phone: 703-573-4072 Fax: 703-572-2153
Renee Elizabeth Funches, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 12255 Fair Lakes Pkwy, Kaiser Permanente Fair Oaks Medical Center, Fairfax, VA 22033 Phone: 703-934-5700

Dr William B Ershler, MD - Medicare Internal Medicine in Fairfax, VA