LAWRENCE CHAN
NPI 1215497920
Ophthalmology in San Francisco, CA
About Lawrence Chan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE CHAN (NPI 1215497920) is an individual ophthalmology provider in San Francisco, California, licensed in California (A181849) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Yale University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lawrence Chan 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.
Medicare Billing Reassignments
6Medicare enrollment records show Lawrence Chan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94107
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
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 Lawrence Chan's NPI number?
The NPI number for Lawrence Chan is 1215497920. It was assigned to this individual provider in the NPPES registry on March 20, 2019.
Where is Lawrence Chan located?
Lawrence Chan practices at 490 Illinois Street, San Francisco, CA 94158. The listed phone number is (415) 353-4433.
What is Lawrence Chan's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Lawrence Chan enrolled in Medicare?
Yes. Lawrence 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.
Which organizations bill Medicare for Lawrence Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Chan reassigns Medicare benefits to 6 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), West Coast Retina Medical Group, Inc. (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lawrence Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lawrence Chan was last updated on January 9, 2026. 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.
# Lawrence Chan · NPI 1215497920
Ophthalmology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 20, 2019.
## Identity
- **NPI:** 1215497920 (Entity type: Individual)
- **Enumerated:** March 20, 2019
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A181849 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 490 ILLINOIS STREET, San Francisco, CA 94158-0000
- **Phone:** (415) 353-4433
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1013879139, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); West Coast Retina Medical Group, Inc. (NPI 1053389064, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** January 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1215497920) · Data from the CMS NPPES public registry.