Bernard D Bienstock, MD in Valley Stream, NY

Bernard D Bienstock, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Valley Stream, New York. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice New York University and his current practice location is 509 W. Merrick Road, Valley Stream, New York. You can reach out to his office (for appointments etc.) via phone at (516) 561-8188.

Bernard D Bienstock is licensed to practice in New York (license number 182358-1) 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 1043229008.

Contact Information

	Bernard D Bienstock, MD
	509 W. Merrick Road, Valley Stream, NY 11580
	(516) 561-8188
	(516) 561-8192

Map and Direction

Physician's Profile

Full Name	Bernard D Bienstock
Gender	Male
Speciality	Gastroenterology
Experience	37 Years
Location	509 W. Merrick Road, Valley Stream, 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:

Bernard D Bienstock graduated from medical school in 1987

NPI Data:

NPI Number: 1043229008
Provider Enumeration Date: 08/07/2006
Last Update Date: 05/03/2023

Medicare PECOS Information:

PECOS PAC ID: 1759461270
Enrollment ID: I20080326000029

Medical Identifiers

Medical identifiers for Bernard D Bienstock such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1043229008	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	182358-1 (New York)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	182358-1 (New York)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
New York University	1355232422	4495

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. Bernard D Bienstock allows following entities to bill medicare on his behalf.

Entity Name	New York University
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1285826438 PECOS PAC ID: 1355232422 Enrollment ID: O20081202000185

Entity Name	New York University
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1285826438 PECOS PAC ID: 1355232422 Enrollment ID: O20090822000026

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. Bernard D Bienstock 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
Bernard D Bienstock, MD 509 W. Merrick Road, Valley Stream, NY 11580 Ph: (516) 561-8188	Bernard D Bienstock, MD 509 W. Merrick Road, Valley Stream, NY 11580 Ph: (516) 561-8188

Reviews and Comments

Internal Medicine Doctors in Valley Stream, NY

Qaiser Siddiqui, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 260 West Sunrise Highway, Suite 200, Valley Stream, NY 11581 Phone: 516-825-3600 Fax: 516-823-2051
Tony W Cheung, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 260 W Sunrise Hwy, Suite 200, Valley Stream, NY 11581 Phone: 516-825-3600 Fax: 516-823-2051
Dr. Guisela Maria Hernandez, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 900 Franklin Ave, Valley Stream, NY 11580 Phone: 516-256-6080
Dr. Bradley S Rieders, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 210 E Sunrise Hwy, Ste 304, Valley Stream, NY 11581 Phone: 516-825-8484 Fax: 516-825-8491
Jodi A Kirschbaum, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 260 W Sunrise Hwy, Suite 200, Valley Stream, NY 11581 Phone: 516-825-3600 Fax: 516-823-2051
Dr. Roman Peter Urbanczyk, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 15 Fletcher Ave, Valley Stream, NY 11580 Phone: 516-825-3666 Fax: 516-872-5133

Bernard D Bienstock, MD - Medicare Gastroenterology in Valley Stream, NY