Dr Margaret Sagsveen, DO in Bay Shore, NY

Dr Margaret Sagsveen, DO is a medicare enrolled "Anesthesiology" physician in Bay Shore, New York. She graduated from medical school in 2017 and has 9 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice North Shore - Lij Anesthesiology, Pc and her current practice location is 301 E Main St, Bay Shore, New York. You can reach out to her office (for appointments etc.) via phone at (631) 885-3885.

Dr Margaret Sagsveen is licensed to practice in New York (license number 310231-01) 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 1073054375.

Contact Information

	Dr Margaret Sagsveen, DO
	301 E Main St, Bay Shore, NY 11706-8408
	(631) 885-3885
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Margaret Sagsveen
Gender	Female
Speciality	Anesthesiology
Experience	9 Years
Location	301 E Main St, Bay Shore, 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:

Dr Margaret Sagsveen graduated from medical school in 2017

NPI Data:

NPI Number: 1073054375
Provider Enumeration Date: 03/20/2017
Last Update Date: 12/02/2025

Medicare PECOS Information:

PECOS PAC ID: 4789923673
Enrollment ID: I20220303001283

Medical Identifiers

Medical identifiers for Dr Margaret Sagsveen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1073054375	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	310231-01 (New York)	Primary
390200000X	Student In An Organized Health Care Education/training Program	(* (Not Available))	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Ns/lij Hs Southside Hospital	Bay shore, NY	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
North Shore - Lij Anesthesiology, Pc	1153602453	937

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 Margaret Sagsveen allows following entities to bill medicare on her behalf.

Entity Name	Montefiore Medical Center
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1063525152 PECOS PAC ID: 3779496021 Enrollment ID: O20031113000235

Entity Name	North Shore - Lij Anesthesiology, Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1417401266 PECOS PAC ID: 1153602453 Enrollment ID: O20161228001498

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 Margaret Sagsveen 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 Margaret Sagsveen, DO 301 E Main St, Bay Shore, NY 11706-8408 Ph: () -	Dr Margaret Sagsveen, DO 301 E Main St, Bay Shore, NY 11706-8408 Ph: (631) 885-3885

Reviews and Comments

Anesthesiology Doctors in Bay Shore, NY

Dr. Mehul Pragani, MD Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 301 E Main St, Bay Shore, NY 11706 Phone: 631-968-3000
Lawrence Kopsick, D.O. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 301 E Main St, Bay Shore, NY 11706 Phone: 631-968-3000
Josette Legaspi-tamayo, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 301 E Main St, Anesthesia Department, Bay Shore, NY 11706 Phone: 631-968-3163
Mitchell Oldshein, M.D. Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 301 E Main St, Anesthesia Department, Bay Shore, NY 11706 Phone: 631-968-3163
Brittany Lee Mulligan, CRNA Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 301 E Main St, Bay Shore, NY 11706 Phone: 631-968-3000
Michael Caponigro, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 301 E Main St, Bay Shore, NY 11706 Phone: 631-968-3000

Dr Margaret Sagsveen, DO - Medicare Anesthesiology in Bay Shore, NY