John Martin, MD in Orange, CA - Medicare Gastroenterology

John Martin, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Orange, California. He went to University Of Virginia School Of Medicine and graduated in 1989 and has 37 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mayo Clinic and his current practice location is 101 The City Dr S, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 456-8888.

John Martin is licensed to practice in California (license number G205426) 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 1609808534.

Contact Information

	John Martin, MD
	101 The City Dr S, Orange, CA 92868-3201
	(714) 456-8888
	Not Available

Map and Direction

Physician's Profile

Full Name	John Martin
Gender	Male
Speciality	Gastroenterology
Experience	37 Years
Location	101 The City Dr S, Orange, 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:

John Martin attended and graduated from University Of Virginia School Of Medicine in 1989

NPI Data:

NPI Number: 1609808534
Provider Enumeration Date: 07/07/2006
Last Update Date: 12/10/2025

Medicare PECOS Information:

PECOS PAC ID: 4587561139
Enrollment ID: I20150213000227

Medical Identifiers

Medical identifiers for John Martin such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1609808534	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	58809 (Minnesota)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	G205426 (California)	Primary
207RG0100X	Internal Medicine - Gastroenterology	036109451 (Illinois)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mayo Clinic Hospital Rochester	Rochester, MN	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mayo Clinic	6507778255	4507

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. John Martin allows following entities to bill medicare on his behalf.

Entity Name	Mayo Clinic
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1922074434 PECOS PAC ID: 6507778255 Enrollment ID: O20031103000285

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. John Martin 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
John Martin, MD 101 The City Dr S, Orange, CA 92868-3201 Ph: (714) 456-8888	John Martin, MD 101 The City Dr S, Orange, CA 92868-3201 Ph: (714) 456-8888

Reviews and Comments

Internal Medicine Doctors in Orange, CA

Michael Cheng, DO Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 101 The City Dr S, Orange, CA 92868 Phone: 714-456-7110
Harry Nguyen, D.O. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 101 The City Dr S, Orange, CA 92868 Phone: 714-456-7002
Dr. Nicole Foley, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 200 S Manchester Ave Ste 400, Orange, CA 92868 Phone: 714-456-5153
Millie Arora, Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 101 The City Dr S, City Tower, Suite 400, Orange, CA 92868 Phone: 714-456-5691 Fax: 714-456-8874
Dr. Antonio Halais Frangieh, MD, MPH Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 101 The City Dr S, Orange, CA 92868 Phone: 714-456-7890
Mark E Wylam, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 101 The City Dr S, Orange, CA 92868 Phone: 714-456-7890
Dr. Jesse John Goitia Jr., M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 101 The City Dr S, Orange, CA 92868 Phone: 714-880-7812

John Martin, MD - Medicare Gastroenterology in Orange, CA