Leslie Graustark Oesterich, in Torrance, CA - Medicare Internal Medicine

Leslie Graustark Oesterich, is a medicare enrolled "Internal Medicine" physician in Torrance, California. She went to University Of California, Geffen School Of Medicine and graduated in 2011 and has 13 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 1000 W Carson St., Box 400, Torrance, California. You can reach out to her office (for appointments etc.) via phone at (310) 222-2401.

Leslie Graustark Oesterich is licensed to practice in California (license number A125675) 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 1245518422.

Contact Information

	Leslie Graustark Oesterich,
	1000 W Carson St., Box 400, Torrance, CA 90509
	(310) 222-2401
	Not Available

Map and Direction

Physician's Profile

Full Name	Leslie Graustark Oesterich
Gender	Female
Speciality	Internal Medicine
Experience	13 Years
Location	1000 W Carson St., Torrance, California
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:

Leslie Graustark Oesterich attended and graduated from University Of California, Geffen School Of Medicine in 2011

NPI Data:

NPI Number: 1245518422
Provider Enumeration Date: 07/22/2011
Last Update Date: 02/11/2022

Medicare PECOS Information:

PECOS PAC ID: 9032334818
Enrollment ID: I20140711000015

Medical Identifiers

Medical identifiers for Leslie Graustark Oesterich such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1245518422	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	A125675 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Kaiser Foundation Hospital - Redwood City	Redwood city, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	7800

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. Leslie Graustark Oesterich allows following entities to bill medicare on her behalf.

Entity Name	Permanente Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073606299 PECOS PAC ID: 8921910225 Enrollment ID: O20031104000710

Entity Name	County Of Los Angeles
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1851363188 PECOS PAC ID: 1850296534 Enrollment ID: O20031204001218

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. Leslie Graustark Oesterich 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
Leslie Graustark Oesterich, 1000 W Carson St., Box 400, Torrance, CA 90509 Ph: () -	Leslie Graustark Oesterich, 1000 W Carson St., Box 400, Torrance, CA 90509 Ph: (310) 222-2401

Reviews and Comments

Internal Medicine Doctors in Torrance, CA

Deborah Chon, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505 Phone: 310-542-6333
Erika Joyce Kalash, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3565 Del Amo Blvd, Torrance, CA 90503 Phone: 310-214-0811
Hosayn Khaleeli, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2245 Sepulveda Blvd, Torrance, CA 90501 Phone: 310-320-3204 Fax: 310-320-0919
Mr. Anthony C Dike, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 20280 S Vermont Ave Ste 215, Torrance, CA 90502 Phone: 323-434-4626 Fax: 310-693-8082
Paul J Brown, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3333 Skypark Dr, Torrance, CA 90505 Phone: 310-517-9006
Dr. Philip W Chung, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2841 Lomita Blvd 215, Torrance, CA 90505 Phone: 310-379-2860 Fax: 310-325-1144
Dr. Diane Jennifer Prager, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3445 Pacific Coast Hwy Ste 300, Torrance, CA 90505 Phone: 310-325-8252

Leslie Graustark Oesterich, - Medicare Internal Medicine in Torrance, CA