SOPHIA LAM
NPI 1316833965
Optometrist in Berkeley, CA
About Sophia Lam NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOPHIA LAM (NPI 1316833965) is an individual optometrist in Berkeley, California, licensed in California (OPT35957) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sophia Lam is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sophia Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berkeley, CA 94720
- Reassigned Medicare billing, California enrollment
- 96 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 94720 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BERKELEY, CA 94720
BERKELEY, CA 94720
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 Sophia Lam's NPI number?
The NPI number for Sophia Lam is 1316833965. It was assigned to this individual provider in the NPPES registry on June 17, 2025.
Where is Sophia Lam located?
Sophia Lam practices at 200 Minor Hall, Berkeley, CA 94720. The listed phone number is (510) 642-2020.
What is Sophia Lam's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Sophia Lam enrolled in Medicare?
Yes. Sophia Lam is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sophia Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sophia Lam reassigns Medicare benefits to Regents Of The University Of California At Berkeley (Berkeley, CA). The 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 Sophia Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sophia Lam accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Sophia Lam 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 Sophia Lam was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Sophia Lam · NPI 1316833965
Optometrist provider in Berkeley, California. Individual provider, active in the CMS NPPES registry since June 17, 2025.
## Identity
- **NPI:** 1316833965 (Entity type: Individual)
- **Enumerated:** June 17, 2025
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35957 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 MINOR HALL, Berkeley, CA 94720-0001
- **Phone:** (510) 642-2020
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Regents Of The University Of California At Berkeley (NPI 1306908058, Berkeley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316833965) · Data from the CMS NPPES public registry.