John M Wallmark, MD in Rockville, MD - Medicare Hematology/oncology

John M Wallmark, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Rockville, Maryland. He went to Hahnemann University College Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Maryland Oncology Hematology Pa, Maryland Oncology Hematology Pa and his current practice location is 9707 Medical Center Dr, Suite 300, Rockville, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 424-6231.

John M Wallmark is licensed to practice in Maryland (license number D0053177) 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 1689755365.

Contact Information

	John M Wallmark, MD
	9707 Medical Center Dr, Suite 300, Rockville, MD 20850-3348
	(301) 424-6231
	(301) 294-4648

Map and Direction

Physician's Profile

Full Name	John M Wallmark
Gender	Male
Speciality	Hematology/oncology
Experience	32 Years
Location	9707 Medical Center Dr, Rockville, 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:

John M Wallmark attended and graduated from Hahnemann University College Of Medicine in 1992

NPI Data:

NPI Number: 1689755365
Provider Enumeration Date: 10/18/2006
Last Update Date: 08/01/2012

Medicare PECOS Information:

PECOS PAC ID: 5799868592
Enrollment ID: I20100917000692

Medical Identifiers

Medical identifiers for John M Wallmark such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1689755365	NPI	-	NPPES
40453510	Medicaid	MD

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0003X	Internal Medicine - Hematology & Oncology	D0053177 (Maryland)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Adventist Healthcare Shady Grove Medical Center	Rockville, MD	Hospital
Suburban Hospital	Bethesda, MD	Hospital
Sibley Memorial Hospital	Washington, DC	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Maryland Oncology Hematology Pa	2062302102	81
Maryland Oncology Hematology Pa	2062302102	81

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. John M Wallmark allows following entities to bill medicare on his behalf.

Entity Name	Maryland Oncology Hematology Pa
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1821271032 PECOS PAC ID: 2062302102 Enrollment ID: O20071016000305

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. John M Wallmark 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
John M Wallmark, MD 9707 Medical Center Dr, Suite 300, Rockville, MD 20850-3348 Ph: (301) 424-6231	John M Wallmark, MD 9707 Medical Center Dr, Suite 300, Rockville, MD 20850-3348 Ph: (301) 424-6231

Reviews and Comments

Internal Medicine Doctors in Rockville, MD

Dr. Sheila Gay Levin, MD Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 14955 Shady Grove Rd, Suite 150, Rockville, MD 20850 Phone: 301-340-3252 Fax: 301-340-1423
Dr. Shubir Sofat, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 10110 Molecular Dr Ste 200, Rockville, MD 20850 Phone: 301-610-4000 Fax: 301-610-4007
Dr. Kajal Dasgupta, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 2101 E Jefferson St, Kaiser Permanente Medicare Enrollment, Rockville, MD 20852 Phone: 301-816-2424
Joseph M Haggerty, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 9707 Medical Center Dr, Suite 300, Rockville, MD 20850 Phone: 301-424-6231 Fax: 301-294-4648
Isabelle A Hertig, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 11125 Rockville Pike, Suite 208, Rockville, MD 20852 Phone: 301-881-5858 Fax: 301-260-2838
Dr. Wellington Sun, M.D. Hematology & Oncology Medicare: Not Enrolled in Medicare Practice Location: 1401 Rockville Pike, Suite 300n, Rockville, MD 20852 Phone: 301-827-3070 Fax: 301-827-3532
Dr. Wei Fan, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 2401 Research Blvd Ste 370, Rockville, MD 20850 Phone: 240-690-4114 Fax: 240-654-3915

John M Wallmark, MD - Medicare Hematology/oncology in Rockville, MD