Mary K Leung, MD in Rockville Centre, NY - Medicare Hematology/oncology

Mary K Leung, MD is a medicare enrolled "Internal Medicine" physician in Rockville Centre, New York. She went to State University Of New York At Buffalo School Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Mount Sinai School Of Medicine and her current practice location is 242 Merrick Rd Ste 301, Rockville Centre, New York. You can reach out to her office (for appointments etc.) via phone at (516) 536-1455.

Mary K Leung is licensed to practice in New York (license number 245464) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1023278306.

Contact Information

	Mary K Leung, MD
	242 Merrick Rd Ste 301, Rockville Centre, NY 11570-5254
	(516) 536-1455
	(516) 536-1598

Map and Direction

Physician's Profile

Full Name	Mary K Leung
Gender	Female
Speciality	Hematology/oncology
Experience	20 Years
Location	242 Merrick Rd Ste 301, Rockville Centre, New York
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Mary K Leung attended and graduated from State University Of New York At Buffalo School Of Medicine in 2004

NPI Data:

NPI Number: 1023278306
Provider Enumeration Date: 06/11/2008
Last Update Date: 03/09/2017

Medicare PECOS Information:

PECOS PAC ID: 0143346122
Enrollment ID: I20100928000149

Medical Identifiers

Medical identifiers for Mary K Leung such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1023278306	NPI	-	NPPES
1023278306	Medicaid	NY

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	245464 (New York)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mount Sinai South Nassau	Oceanside, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mount Sinai School Of Medicine	6406096544	147

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. Mary K Leung allows following entities to bill medicare on her behalf.

Entity Name	Mount Sinai School Of Medicine
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1508127531 PECOS PAC ID: 6406096544 Enrollment ID: O20130712000368

Entity Name	South Nassau Oncology Practice, Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952715773 PECOS PAC ID: 1456678275 Enrollment ID: O20150316001150

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. Mary K Leung 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
Mary K Leung, MD 242 Merrick Rd Ste 301, Rockville Centre, NY 11570-5254 Ph: (516) 536-1455	Mary K Leung, MD 242 Merrick Rd Ste 301, Rockville Centre, NY 11570-5254 Ph: (516) 536-1455

Reviews and Comments

Internal Medicine Doctors in Rockville Centre, NY

Manish B Undavia, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 242 Merrick Rd, Suite 402, Rockville Centre, NY 11570 Phone: 516-763-2800
Richard Horowitz, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 242 Merrick Rd, Suite 402, Rockville Centre, NY 11570 Phone: 516-763-2800
Nenad Grlic, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1000 N. Village Avenue, Rockville Centre, NY 11571 Phone: 516-705-1818
Richard M. Lee, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 242 Merrick Rd, Suite 301, Rockville Centre, NY 11570 Phone: 516-536-1455 Fax: 516-536-1598
Varvara Alexiadis, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 242 Merrick Rd, Ste 403, Rockville Centre, NY 11570 Phone: 516-536-3700 Fax: 516-536-4309
Dr. Ellen Haig, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2 Lincoln Ave, Suite 201, Rockville Centre, NY 11570 Phone: 516-536-0600 Fax: 516-536-0694

Mary K Leung, MD - Medicare Hematology/oncology in Rockville Centre, NY