Dianna Lam Zeelig, O.D.
Optometrist · Menlo Park, CA
Dianna Lam Zeelig, O.D. is an optometrist with a practice address in Menlo Park, California, and NPI 1659827590, issued on Aug 31, 2016. Check the license (California OPT33426TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dianna Lam Zeelig
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT33426TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 193 Jefferson Dr, Menlo Park, CA 94025
- Phone
- (650) 521-5440
- Enumerated
- Aug 31, 2016
- Record last updated
- Jul 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20231109003334); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 193 Jefferson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dianalyne CerenoCase Manager/Care Coordinator1942023379
- Ruth Hsu, MDPsychiatry Physician1558757120
- Gloria Lee, PH.D.Psychologist1033311873
- Jori Manley, DC, ATCChiropractor1386001220
- Jessica TranRegistered Nurse1548935851
Verify Dianna Lam Zeelig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT33426TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average optometrist in 2024
23 Medicare Part D claims for 16 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Cyclosporine12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncElk Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 optometrist records list a practice address in Menlo Park
They are 13 of the 1,265 NPPES records with a practice address in Menlo Park, and 8,308 optometrist records in California.
All 13 in Menlo Park → All 8,308 in California → Every provider in Menlo Park →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Dianna Lam Zeelig, O.D.'s NPI number?
Dianna Lam Zeelig, O.D.'s National Provider Identifier (NPI) is 1659827590, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Lam Zeelig, O.D. located?
The NPPES record lists a practice address at 193 Jefferson Dr, Menlo Park, CA, 94025. Phone: (650) 521-5440. Providers update this record themselves, so call before visiting.
How can I verify Dianna Lam Zeelig, O.D.'s license?
NPPES lists California license number OPT33426TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dianna Lam Zeelig, O.D. prescribe under Medicare Part D?
In 2024, Dianna Lam Zeelig, O.D. had 23 Medicare Part D claims for 16 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.