Dr Rajkumar G Mariwalla, MD in West Islip, NY

Dr Rajkumar G Mariwalla, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in West Islip, New York. He graduated from medical school in 1975 and has 49 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Island Gastroenterology Consultants Pc and his current practice location is 1175 Montauk Hwy, Suite #3, West Islip, New York. You can reach out to his office (for appointments etc.) via phone at (631) 669-1171.

Dr Rajkumar G Mariwalla is licensed to practice in New York (license number 143127) 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 1154309037.

Contact Information

	Dr Rajkumar G Mariwalla, MD
	1175 Montauk Hwy, Suite #3, West Islip, NY 11795-4939
	(631) 669-1171
	(631) 669-1912

Map and Direction

Physician's Profile

Full Name	Dr Rajkumar G Mariwalla
Gender	Male
Speciality	Gastroenterology
Experience	49 Years
Location	1175 Montauk Hwy, West Islip, New York
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 Rajkumar G Mariwalla graduated from medical school in 1975

NPI Data:

NPI Number: 1154309037
Provider Enumeration Date: 01/02/2006
Last Update Date: 01/08/2014

Medicare PECOS Information:

PECOS PAC ID: 1951315845
Enrollment ID: I20060131000158

Medical Identifiers

Medical identifiers for Dr Rajkumar G Mariwalla such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1154309037	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	143127 (New York)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Good Samaritan Hospital Medical Center	West islip, NY	Hospital
North Shore University Hospital	Manhasset, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Island Gastroenterology Consultants Pc	8921999079	10

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 Rajkumar G Mariwalla allows following entities to bill medicare on his behalf.

Entity Name	Island Gastroenterology Consultants Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1174556963 PECOS PAC ID: 8921999079 Enrollment ID: O20040320000328

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 Rajkumar G Mariwalla 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 Rajkumar G Mariwalla, MD 1111 Montauk Hwy, Suite #3-1, West Islip, NY 11795-4910 Ph: (631) 669-1171	Dr Rajkumar G Mariwalla, MD 1175 Montauk Hwy, Suite #3, West Islip, NY 11795-4939 Ph: (631) 669-1171

Reviews and Comments

Internal Medicine Doctors in West Islip, NY

Piotr Papuzinski, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1000 Montauk Hwy, West Islip, NY 11795 Phone: 631-376-3000
Dr. Sudha V Mukhi, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 435 Montauk Hwy, West Islip, NY 11795 Phone: 631-422-4545 Fax: 631-422-0530
Dr. Stuart Neil Greenberg, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 434 Sunrise Hwy, West Islip, NY 11795 Phone: 631-376-1499
Dr. Ashish Sangal, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 111 Beach Dr, West Islip, NY 11795 Phone: 631-666-6752 Fax: 316-660-6846
Anthony J Garafalo, MD Gastroenterology Medicare: May Accept Medicare Assignments Practice Location: 540 Union Blvd, West Islip, NY 11795 Phone: 631-669-2555 Fax: 631-669-3051
Jaishree Subramani, M.D,M.P.H Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 500 M0ntauk Highway, Suite B, West Islip, NY 11795 Phone: 631-422-4343 Fax: 631-661-3775
Hitender Jain, M.D. Gastroenterology Medicare: May Accept Medicare Assignments Practice Location: 540 Union Blvd, West Islip, NY 11795 Phone: 631-669-2555 Fax: 631-669-3051

Dr Rajkumar G Mariwalla, MD - Medicare Gastroenterology in West Islip, NY