Dr Tommy Yu-do Yen, MD in Santee, CA - Medicare Gastroenterology

Dr Tommy Yu-do Yen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Santee, California. He went to University Of California, San Diego School Of Medicine and graduated in 1994 and has 32 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Sharp Rees-stealy Medical Group Inc and his current practice location is 9456 Cuyamaca St Ste 102, Santee, California. You can reach out to his office (for appointments etc.) via phone at (619) 588-4074.

Dr Tommy Yu-do Yen is licensed to practice in California (license number A060085) 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 1053421958.

Contact Information

	Dr Tommy Yu-do Yen, MD
	9456 Cuyamaca St Ste 102, Santee, CA 92071-5919
	(619) 588-4074
	(619) 588-4004

Map and Direction

Physician's Profile

Full Name	Dr Tommy Yu-do Yen
Gender	Male
Speciality	Gastroenterology
Experience	32 Years
Location	9456 Cuyamaca St Ste 102, Santee, 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:

Dr Tommy Yu-do Yen attended and graduated from University Of California, San Diego School Of Medicine in 1994

NPI Data:

NPI Number: 1053421958
Provider Enumeration Date: 08/30/2006
Last Update Date: 02/10/2026

Medicare PECOS Information:

PECOS PAC ID: 0547357592
Enrollment ID: I20071107000593

Medical Identifiers

Medical identifiers for Dr Tommy Yu-do Yen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1053421958	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	A060085 (California)	Secondary
207RI0008X	Internal Medicine - Hepatology	A060085 (California)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	A060085 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Sharp Memorial Hospital	San diego, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Sharp Rees-stealy Medical Group Inc	8628972759	767

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 Tommy Yu-do Yen 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: 1770515280 PECOS PAC ID: 6002729175 Enrollment ID: O20031110000678

Entity Name	Sharp Rees-stealy Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1285616177 PECOS PAC ID: 8628972759 Enrollment ID: O20031120000996

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 Tommy Yu-do Yen 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 Tommy Yu-do Yen, MD 9456 Cuyamaca St Ste 102, Santee, CA 92071-5919 Ph: (619) 588-4074	Dr Tommy Yu-do Yen, MD 9456 Cuyamaca St Ste 102, Santee, CA 92071-5919 Ph: (619) 588-4074

Reviews and Comments

Internal Medicine Doctors in Santee, CA

Dr. Abbas Ali, M.D Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 120 Town Center Pkwy, Santee, CA 92071 Phone: 619-662-4100
Dr. Violeta Martel, MD Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 9065 Edgemoor Dr, Santee, CA 92071 Phone: 619-956-2960
Amro Mahmoud, DO Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 8701 Cuyamaca St, Santee, CA 92071 Phone: 201-888-9758
Ananthram Pottipati Reddy, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 9456 Cuyamaca St Ste 102, Santee, CA 92071 Phone: 619-588-4074 Fax: 619-588-4004
Azzah I Arikat, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 8701 Cuyamaca St, Santee, CA 92071 Phone: 858-499-2715 Fax: 619-568-8086
Dr. Joseph Battula Reddy, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 9456 Cuyamaca St Ste 102, Santee, CA 92071 Phone: 619-588-4074 Fax: 619-588-4004

Dr Tommy Yu-do Yen, MD - Medicare Gastroenterology in Santee, CA