DR. SAMANTHA WENYAN CHAN OD
NPI 1861179806
Optometrist in San Francisco, CA
About Dr. Samantha Wenyan Chan Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMANTHA WENYAN CHAN OD (NPI 1861179806) is an individual optometrist in San Francisco, California, licensed in California (OPT35468-TLG) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2023).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Samantha Wenyan Chan Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94158 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94158
SAN FRANCISCO, CA 94158
SAN FRANCISCO, CA 94158
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Samantha Chan's NPI number?
The NPI number for Samantha Chan is 1861179806. It was assigned to this individual provider in the NPPES registry on June 30, 2023.
Where is Samantha Chan located?
Samantha Chan practices at 490 Illinois St, San Francisco, CA 94158. The listed phone number is (415) 353-2800.
What is Samantha Chan's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Samantha Chan enrolled in Medicare?
Yes. Samantha Chan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Samantha Chan accept?
Health plans from Providence Health Plan list Samantha Chan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Samantha Chan was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Samantha Wenyan Chan, OD · NPI 1861179806
Optometrist provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 30, 2023.
## Identity
- **NPI:** 1861179806 (Entity type: Individual)
- **Enumerated:** June 30, 2023
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35468-TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 490 ILLINOIS ST, San Francisco, CA 94158
- **Phone:** (415) 353-2800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** University Of California - School Of Optometry, class of 2023
## Record status
- **NPPES last updated:** September 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861179806) · Data from the CMS NPPES public registry.