Dr Lionel S D'souza, MD in East Setauket, NY

Dr Lionel S D'souza, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in East Setauket, New York. He graduated from medical school in 2005 and has 20 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Icahn School Of Medicine At Mount Sinai and his current practice location is 3 Technology Dr, East Setauket, New York. You can reach out to his office (for appointments etc.) via phone at (631) 444-5220.

Dr Lionel S D'souza is licensed to practice in New York (license number 272023) 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 1679733182.

Contact Information

	Dr Lionel S D'souza, MD
	3 Technology Dr, East Setauket, NY 11733-4064
	(631) 444-5220
	(631) 444-5225

Map and Direction

Physician's Profile

Full Name	Dr Lionel S D'souza
Gender	Male
Speciality	Gastroenterology
Experience	20 Years
Location	3 Technology Dr, East Setauket, 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 Lionel S D'souza graduated from medical school in 2005

NPI Data:

NPI Number: 1679733182
Provider Enumeration Date: 06/10/2008
Last Update Date: 07/25/2017

Medicare PECOS Information:

PECOS PAC ID: 3476741943
Enrollment ID: I20101228000312

Medical Identifiers

Medical identifiers for Dr Lionel S D'souza such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1679733182	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	272023 (New York)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mount Sinai Hospital	New york, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Icahn School Of Medicine At Mount Sinai	2264691070	2587

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 Lionel S D'souza allows following entities to bill medicare on his behalf.

Entity Name	Bimc Faculty Practice
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1548594203 PECOS PAC ID: 5799888392 Enrollment ID: O20070320000596

Entity Name	Icahn School Of Medicine At Mount Sinai
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1730440777 PECOS PAC ID: 2264691070 Enrollment ID: O20120917000427

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 Lionel S D'souza 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 Lionel S D'souza, MD Po Box 1554, Stony Brook, NY 11790-0988 Ph: () -	Dr Lionel S D'souza, MD 3 Technology Dr, East Setauket, NY 11733-4064 Ph: (631) 444-5220

Reviews and Comments

Internal Medicine Doctors in East Setauket, NY

Dr. William H Greene, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 205 N Belle Mead Ave, East Setauket, NY 11733 Phone: 631-444-1660
Dr. Ellen Li, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 3 Technology Dr, East Setauket, NY 11733 Phone: 631-444-5220
Dr. Diane Klein-ritter, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 205 N Belle Mead Ave, East Setauket, NY 11733 Phone: 631-444-4630
Ms. Larisa V Venezia, DO Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 46 Route 25a, Suite 6, East Setauket, NY 11733 Phone: 631-689-1444 Fax: 631-689-1448
Nardeen Mickail, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 14 Technology Dr, Suite 10, East Setauket, NY 11733 Phone: 631-689-5400 Fax: 631-689-8247
David M Franko, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 45 Research Way, Suite 008 & 108, East Setauket, NY 11733 Phone: 631-941-2704 Fax: 631-941-2009
Christopher M Cesa, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 45 Research Way, Suite 008 & 108, East Setauket, NY 11733 Phone: 631-941-2704 Fax: 631-941-2009

Dr Lionel S D'souza, MD - Medicare Gastroenterology in East Setauket, NY