James S Ma, MD in Riverside, CA - Medicare Gastroenterology

James S Ma, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Riverside, California. He went to Virginia Commonwealth University, School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 10800 Magnolia Ave, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (909) 353-2000.

James S Ma is licensed to practice in California (license number G74850) 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 1295802007.

Contact Information

	James S Ma, MD
	10800 Magnolia Ave, Riverside, CA 92505-3043
	(909) 353-2000
	Not Available

Map and Direction

Physician's Profile

Full Name	James S Ma
Gender	Male
Speciality	Gastroenterology
Experience	34 Years
Location	10800 Magnolia Ave, Riverside, California
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:

James S Ma attended and graduated from Virginia Commonwealth University, School Of Medicine in 1990

NPI Data:

NPI Number: 1295802007
Provider Enumeration Date: 11/29/2006
Last Update Date: 11/29/2021

Medicare PECOS Information:

PECOS PAC ID: 0840220679
Enrollment ID: I20050822000207

Medical Identifiers

Medical identifiers for James S Ma such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1295802007	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	G74850 (California)	Primary

Medical Facilities Affiliation

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

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Southern California Permanente Medical Group	6002729175	8172

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. James S Ma allows following entities to bill medicare on his behalf.

Entity Name	Southern California Permanente Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1316979834 PECOS PAC ID: 6002729175 Enrollment ID: O20040126000823

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. James S Ma 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
James S Ma, MD 10800 Magnolia Ave, Riverside, CA 92505-3043 Ph: (909) 353-2000	James S Ma, MD 10800 Magnolia Ave, Riverside, CA 92505-3043 Ph: (909) 353-2000

Reviews and Comments

Internal Medicine Doctors in Riverside, CA

Sang Kun Yim, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 7117 Brockton Ave, Riverside, CA 92506 Phone: 951-683-6370
Sarah Chae, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 4646 Brockton Ave Ste 201, Riverside, CA 92506 Phone: 951-585-1800 Fax: 951-585-1801
Alina S Popa, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 4445 Magnolia Ave, Riverside, CA 92501 Phone: 951-788-3636
Richard M. Bradburne, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 10800 Magnolia Ave, Riverside, CA 92505 Phone: 909-353-2000
Shelly C. Thio, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 10800 Magnolia Ave, Riverside, CA 92505 Phone: 909-353-2000
Fawaz Gailani, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 10800 Magnolia Ave, Riverside, CA 92505 Phone: 909-353-2000
Andrew Duke, M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 4445 Magnolia Ave, Riverside, CA 92501 Phone: 951-788-3000

James S Ma, MD - Medicare Gastroenterology in Riverside, CA