Dr Sergio Jose Marquez, MD in Loma Linda, CA - Medicare Emergency Medicine

Dr Sergio Jose Marquez, MD is a medicare enrolled "Emergency Medicine" physician in Loma Linda, California. His current practice location is 11234 Anderson Street, Gme Office Westerly Suite C, Loma Linda, California. You can reach out to his office (for appointments etc.) via phone at (909) 558-4085.

Dr Sergio Jose Marquez is licensed to practice in California (license number A198101) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1851967178.

Contact Information

	Dr Sergio Jose Marquez, MD
	11234 Anderson Street, Gme Office Westerly Suite C, Loma Linda, CA 92354-2804
	(909) 558-4085
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Sergio Jose Marquez
Gender	Male
Speciality	Emergency Medicine
Location	11234 Anderson Street, Gme Office Westerly Suite C, Loma Linda, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1851967178
Provider Enumeration Date: 05/27/2021
Last Update Date: 10/03/2025

Medicare PECOS Information:

PECOS PAC ID: 7719428143
Enrollment ID: I20240925000956

Medical Identifiers

Medical identifiers for Dr Sergio Jose Marquez such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1851967178	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	A198101 (California)	Primary

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 Sergio Jose Marquez allows following entities to bill medicare on his behalf.

Entity Name	Em Alliance California Apc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1376305755 PECOS PAC ID: 1951749894 Enrollment ID: O20240410003580

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 Sergio Jose Marquez 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 Sergio Jose Marquez, MD 820 E Mountain View St, Barstow, CA 92311-3004 Ph: (858) 863-7382	Dr Sergio Jose Marquez, MD 11234 Anderson Street, Gme Office Westerly Suite C, Loma Linda, CA 92354-2804 Ph: (909) 558-4085

Reviews and Comments

Emergency Medicine Doctors in Loma Linda, CA

Dr. Kristina Kyle, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 11234 Anderson Street, Loma Linda University Health - Emergency Medicine, Loma Linda, CA 92354 Phone: 909-558-4085
Andrew Simmons, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 11210 Benton St, Loma Linda, CA 92354 Phone: 023-500-8542
Eric Theodore Teacher, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 11234 Anderson St, House Staff Office Cp 21005, Loma Linda, CA 92354 Phone: 909-558-8131
Carol Conceicao, MD Emergency Medicine Medicare: Medicare Enrolled Practice Location: 11234 Anderson St, Loma Linda, CA 92354 Phone: 909-558-4000
Grace J Kim, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 11234 Anderson St, Loma Linda, CA 92354 Phone: 909-558-4344
Lynda Daniel-underwood, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 11234 Anderson St, Loma Linda, CA 92354 Phone: 909-558-4344
Dr. Geron F. Sheppard, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 11234 Anderson St, A108, Loma Linda, CA 92354 Phone: 909-558-7171 Fax: 909-558-0121

Dr Sergio Jose Marquez, MD - Medicare Emergency Medicine in Loma Linda, CA