John Kok-sen Chan
M.D. | Ophthalmologist | 29+ years Exp
3553 Whipple Rd, Union City
California, 94587-1507
California, 94587-1507
510-454-1000 Maps & Directions
John Kok-sen Chan Details:
John Kok-sen Chan is a Union City, California based male Ophthalmologist with 29 years of experience in Ophthalmology. He completed his graduation from New York Medical College in 1997. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John Kok-sen Chan is A70464 for Ophthalmology in California.
John Kok-sen Chan is medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, patients can be prescribed vision services, including glasses and contact lenses.
John Kok-sen Chan is medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, patients can be prescribed vision services, including glasses and contact lenses.
Complete Profile:
John Kok-sen Chan speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4082894076 |
| Enrollment ID: | I20110208000826 |
| NPI Number: | 1609928837 |
| NPI Enumeration Date: | 17 Jan, 2007 |
| NPI Last Update On: | 06 Dec, 2021 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John Kok-sen Chan are as mentioned below.| License Number | Specialization | State | Status | |
| A70464 | Ophthalmology | California | Primary |
Group Practice:
Group practices are run by a group of physicians who share their premises and other resources. Following list states all the group name
with which John Kok-sen Chan has association with along with the number of members in that group.| Organization Name (Group PAC ID) | Members |
| Permanente Medical Group Inc (8921910225) | 7522 |
Other Medical Identifiers:
Other legacy medical identifiers associated with John Kok-sen Chan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00A704640 | Medicaid | California |
After spending time on your computer or phone screen do you notice your eyes getting tired and dry?
We have a solution for this, try these fast-acting lubricating eye drops which provide instant relief and help to keep your eyes refreshed all day.
Instant Relief for Dry, Tired Eyes
- Helps relieve dryness from screen use
- Suitable for daily use
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 3553 Whipple Rd, Union City, California |
| Zip: | 94587-1507 |
| Phone Number: | 510-454-1000 |
| Fax Number: | -- |
Patients can reach John Kok-sen Chan at 3553 Whipple Rd, Union City, California or can call to book an appointment on 510-454-1000.
Comments/ Reviews:
Patients can read all the reviews posted for John Kok-sen Chan below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by John Kok-sen Chan. It will help others make informed decisions.
** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.
Similar Ophthalmologist in Union City, CA