Dr Frederick Greiner Barr, MD in Chevy Chase, MD

Dr Frederick Greiner Barr, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Chevy Chase, Maryland. He went to Northwestern University Feinberg Medical School and graduated in 1975 and has 49 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Rcca Md Llc and his current practice location is 5454 Wisconsin Ave, Ste 1300, Chevy Chase, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 657-8587.

Dr Frederick Greiner Barr is licensed to practice in Maryland (license number D22775) 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 1184620122.

Contact Information

	Dr Frederick Greiner Barr, MD
	5454 Wisconsin Ave, Ste 1300, Chevy Chase, MD 20815-6908
	(301) 657-8587
	(301) 654-3958

Map and Direction

Physician's Profile

Full Name	Dr Frederick Greiner Barr
Gender	Male
Speciality	Medical Oncology
Experience	49 Years
Location	5454 Wisconsin Ave, Chevy Chase, Maryland
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 Frederick Greiner Barr attended and graduated from Northwestern University Feinberg Medical School in 1975

NPI Data:

NPI Number: 1184620122
Provider Enumeration Date: 06/23/2005
Last Update Date: 11/23/2010

Medicare PECOS Information:

PECOS PAC ID: 8527054105
Enrollment ID: I20040421000068

Medical Identifiers

Medical identifiers for Dr Frederick Greiner Barr such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1184620122	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0003X	Internal Medicine - Hematology & Oncology	D22775 (Maryland)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Sibley Memorial Hospital	Washington, DC	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Rcca Md Llc	8123310208	6

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 Frederick Greiner Barr allows following entities to bill medicare on his behalf.

Entity Name	Rcca Md Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1467800367 PECOS PAC ID: 8123310208 Enrollment ID: O20160711001213

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 Frederick Greiner Barr 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 Frederick Greiner Barr, MD 5454 Wisconsin Ave, Ste 1300, Chevy Chase, MD 20815-6908 Ph: (301) 657-8587	Dr Frederick Greiner Barr, MD 5454 Wisconsin Ave, Ste 1300, Chevy Chase, MD 20815-6908 Ph: (301) 657-8587

Reviews and Comments

Internal Medicine Doctors in Chevy Chase, MD

Dr. Rachel Kaiser, MD, MPH Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 5454 Wisconsin Ave, Suite 600, Chevy Chase, MD 20815 Phone: 301-942-7600
Dr. Allen A. Nimetz, M.D. Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 5530 Wisconsin Ave, Suite 700, Chevy Chase, MD 20815 Phone: 301-656-5050 Fax: 301-654-4237
Dr. Ankit B Shah, M.D., M.P.H. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 8401 Connecticut Ave Ste 104, Chevy Chase, MD 20815 Phone: 240-892-7070 Fax: 240-248-0606
Dr. Steve A Burka, MD Hematology & Oncology Medicare: May Accept Medicare Assignments Practice Location: 5530 Wisconsin Ave, #914, Chevy Chase, MD 20815 Phone: 301-654-3803 Fax: 301-654-3808
Dr. Mark A Miller, Hematology & Oncology Medicare: Medicare Enrolled Practice Location: 4411 Leland St, Chevy Chase, MD 20815 Phone: 301-496-0815
Dr. Sara Goldkind, MD Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 5630 Wisconsin Ave Apt 807, Chevy Chase, MD 20815 Phone: 240-353-0866
Dr. Robert J Marshall, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 5530 Wisconsin Ave Ste 700, Chevy Chase, MD 20815 Phone: 301-656-5050 Fax: 301-654-4237

Dr Frederick Greiner Barr, MD - Medicare Medical Oncology in Chevy Chase, MD