NPPES file of Aug 9, 2026

Sophia Lam

Optometrist · Berkeley, CA

Sophia Lam is an optometrist with a practice address in Berkeley, California, and NPI 1316833965, issued on Jun 17, 2025. Check the license (California OPT35957, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316833965
Name
Sophia Lam
Primary taxonomy
Optometrist 152W00000X
License number
OPT35957 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Minor Hall, Berkeley, CA 94720
Phone
(510) 642-2020
Enumerated
Jun 17, 2025
Record last updated
Jun 17, 2025
Medicare enrollment
Enrolled (PECOS I20250828005392); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 200 Minor Hall

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Montserrat Astorino, ODOptometrist1811540198
  2. Sohaila Baheer, ODOptometrist1306641758
  3. Amrit Bilkhu, ODOptometrist1396390134
  4. Jessica Broodryk, ODOptometrist1588289474
  5. Olivia Burger, ODOptometrist1780305953
  6. Yung Fen Chen, ODOptometrist1215626056

Verify Sophia Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license OPT35957
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Sophia Lam among 8,308 optometrist records in California

Sophia Lam is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 1% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2025 · median 2008 among the 3,573 with a school on file
  • Record last updated2025 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

126 optometrist records list a practice address in Berkeley

They are 126 of the 4,898 NPPES records with a practice address in Berkeley, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 optometrist records with the nearest ZIP codes

  1. Dennis Burger, O.D.Berkeley, CA 947201942357181
  2. Gunilla Haegerstrom-Portnoy, OD, PHDBerkeley, CA 947201053458745
  3. Kathryn Johnson, O.D.Berkeley, CA 947201578630141
  4. Billie Knight, O.D.Berkeley, CA 947201538222096
  5. Anne Moy, O.D.Berkeley, CA 947201184788713
  6. Edward Revelli, O.D.Berkeley, CA 947201144367830
  7. Nina Tran, O.D.Berkeley, CA 947201629082318
  8. Kathy Tran, O.D.Berkeley, CA 947201346355401

Common questions

What is Sophia Lam's NPI number?

Sophia Lam's National Provider Identifier (NPI) is 1316833965, issued on Jun 17, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Lam located?

The NPPES record lists a practice address at 200 Minor Hall, Berkeley, CA, 94720. Phone: (510) 642-2020. Providers update this record themselves, so call before visiting.

How can I verify Sophia Lam's license?

NPPES lists California license number OPT35957, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.