John Victor Gahagan, MD in Pleasanton, CA

John Victor Gahagan, MD is a medicare enrolled "Surgery" physician in Pleasanton, California. He graduated from medical school in 2012 and has 13 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Stanford Health Care and his current practice location is 5725 W Las Positas Blvd Ste 100, Pleasanton, California. You can reach out to his office (for appointments etc.) via phone at (925) 734-8130.

John Victor Gahagan is licensed to practice in California (license number A126753) 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 1558629493.

Contact Information

	John Victor Gahagan, MD
	5725 W Las Positas Blvd Ste 100, Pleasanton, CA 94588-4007
	(925) 734-8130
	Not Available

Map and Direction

Physician's Profile

Full Name	John Victor Gahagan
Gender	Male
Speciality	General Surgery
Experience	13 Years
Location	5725 W Las Positas Blvd Ste 100, Pleasanton, 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 Victor Gahagan graduated from medical school in 2012

NPI Data:

NPI Number: 1558629493
Provider Enumeration Date: 04/29/2012
Last Update Date: 06/11/2024

Medicare PECOS Information:

PECOS PAC ID: 7911216049
Enrollment ID: I20151012001500

Medical Identifiers

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

Identifier	Type	State	Issuer
1558629493	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208600000X	Surgery	A126753 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Stanford Health Care - Valleycare	Pleasanton, CA	Hospital
Stanford Health Care	Stanford, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Stanford Health Care	6709797491	2771

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 Victor Gahagan allows following entities to bill medicare on his behalf.

Entity Name	Stanford Health Care
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1437292927 PECOS PAC ID: 6709797491 Enrollment ID: O20031124000348

Entity Name	University Healthcare Alliance
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760531198 PECOS PAC ID: 6305748799 Enrollment ID: O20040126000292

Entity Name	Lpch Medical Group Div Of Lucile
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1417907940 PECOS PAC ID: 0840298543 Enrollment ID: O20061113000232

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 Victor Gahagan 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 Victor Gahagan, MD 300 Pasteur Dr, Palo Alto, CA 94304-2203 Ph: (650) 723-4000	John Victor Gahagan, MD 5725 W Las Positas Blvd Ste 100, Pleasanton, CA 94588-4007 Ph: (925) 734-8130

Reviews and Comments

Surgery Doctors in Pleasanton, CA

Raman Nambisan, MD Surgery Medicare: Not Enrolled in Medicare Practice Location: 5575 W Las Positas Blvd, #270, Pleasanton, CA 94588 Phone: 925-460-3883 Fax: 925-460-3883
Michael Christopher Gynn, MD Surgery Medicare: Medicare Enrolled Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588 Phone: 925-416-3440
Mark Dy-liacco, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588 Phone: 925-416-3440
Mary Elizabeth Estakhri, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 5565 W Las Positas Blvd Ste 260, Pleasanton, CA 94588 Phone: 925-534-0500
Dr. Chau Van Dang, MD Surgery Medicare: Medicare Enrolled Practice Location: 5575 W Las Positas Blvd, #270, Pleasanton, CA 94588 Phone: 925-460-3883 Fax: 925-460-3883
Dr. William Yee, M.D. Surgery Medicare: Not Enrolled in Medicare Practice Location: 4100 Foothill Rd, Pleasanton, CA 94588 Phone: 925-963-8948 Fax: 925-462-7992

John Victor Gahagan, MD - Medicare General Surgery in Pleasanton, CA