John Kok-sen Chan, MD in Union City, CA

John Kok-sen Chan, MD is a medicare enrolled "Ophthalmology" physician in Union City, California. He went to New York Medical College and graduated in 1997 and has 27 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 3553 Whipple Rd, Union City, California. You can reach out to his office (for appointments etc.) via phone at (510) 454-1000.

John Kok-sen Chan is licensed to practice in California (license number A70464) 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 1609928837.

Contact Information

	John Kok-sen Chan, MD
	3553 Whipple Rd, Union City, CA 94587-1507
	(510) 454-1000
	Not Available

Map and Direction

Physician's Profile

Full Name	John Kok-sen Chan
Gender	Male
Speciality	Ophthalmology
Experience	27 Years
Location	3553 Whipple Rd, Union City, 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 Kok-sen Chan attended and graduated from New York Medical College in 1997

NPI Data:

NPI Number: 1609928837
Provider Enumeration Date: 01/17/2007
Last Update Date: 12/06/2021

Medicare PECOS Information:

PECOS PAC ID: 4082894076
Enrollment ID: I20110208000826

Medical Identifiers

Medical identifiers for John Kok-sen Chan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1609928837	NPI	-	NPPES
00A704640	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	A70464 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	8376

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 Kok-sen Chan allows following entities to bill medicare on his behalf.

Entity Name	Permanente Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073606299 PECOS PAC ID: 8921910225 Enrollment ID: O20031104000710

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 Kok-sen Chan 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 Kok-sen Chan, MD 3553 Whipple Rd, Union City, CA 94587-1507 Ph: (510) 454-1000	John Kok-sen Chan, MD 3553 Whipple Rd, Union City, CA 94587-1507 Ph: (510) 454-1000

Reviews and Comments

Ophthalmology Doctors in Union City, CA

Catherine Michele Knox, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000
Jeffrey Mark Lehmer, M.D. Ophthalmology Medicare: Medicare Enrolled Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000
James Michael Lahey, M.D. Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000
Michael Chin-wah Fang-yen, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000
Kristina Heidi Austin, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000
Kari Mcmorrow Eisley, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3553 Whipple Rd, Union City, CA 94587 Phone: 510-454-1000 Fax: 412-647-9607
Priscilla Quynh-phuong Vu, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3553 Whipple Rd Bldg B1, Union City, CA 94587 Phone: 510-675-2020

John Kok-sen Chan, MD - Medicare Ophthalmology in Union City, CA