Marissa M Wen, MD in Lathrop, CA - Medicare Internal Medicine

Marissa M Wen, MD is a medicare enrolled "Internal Medicine" physician in Lathrop, California. She graduated from medical school in 2003 and has 21 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 1507 Garden Farms Ave, Lathrop, California. You can reach out to her office (for appointments etc.) via phone at (209) 479-8000.

Marissa M Wen is licensed to practice in California (license number A161459) 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 1467999169.

Contact Information

	Marissa M Wen, MD
	1507 Garden Farms Ave, Lathrop, CA 95330-8292
	(209) 479-8000
	Not Available

Map and Direction

Physician's Profile

Full Name	Marissa M Wen
Gender	Female
Speciality	Internal Medicine
Experience	21 Years
Location	1507 Garden Farms Ave, Lathrop, 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:

Marissa M Wen graduated from medical school in 2003

NPI Data:

NPI Number: 1467999169
Provider Enumeration Date: 01/20/2017
Last Update Date: 01/21/2022

Medicare PECOS Information:

PECOS PAC ID: 4688083025
Enrollment ID: I20210514000977

Medical Identifiers

Medical identifiers for Marissa M Wen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1467999169	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	A161459 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Kaiser Foundation Hospital Manteca	Manteca, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	8376

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. Marissa M Wen 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

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. Marissa M Wen 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
Marissa M Wen, MD 1507 Garden Farms Ave, Lathrop, CA 95330-8292 Ph: (626) 589-7899	Marissa M Wen, MD 1507 Garden Farms Ave, Lathrop, CA 95330-8292 Ph: (209) 479-8000

Marissa M Wen, MD - Medicare Internal Medicine in Lathrop, CA