NPPES file of Aug 9, 2026

Dianne Wong, O.D.

Optometrist · San Rafael, CA

Dianne Wong, O.D. is an optometrist with a practice address in San Rafael, California, and NPI 1750384061, issued on May 31, 2005. Check the license (California 11780, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750384061
Name
Dianne Wong
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
11780 CA
Self-reported in NPPES; status is on the state search
Practice location
901 E St, San Rafael, CA 94901
Phone
(415) 454-5565
Enumerated
May 31, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 901 E St

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

  1. John Campbell, M.D.Specialist1619970928
  2. Susan Cunningham, O.D.Optometrist1912996711
  3. Nat Finkel, O.D.Optometrist1689679961
  4. Margaret Harrington, M.D.Anesthesiology Physician1053530964
  5. Christian Kim, MDOphthalmology Physician1336130525
  6. Tanaz Mohammadi, O.D.Optometrist1356494892

Verify Dianne Wong 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 11780
    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
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3% fewer Medicare Part D claims than the average optometrist in 2024

269 Medicare Part D claims for 97 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Dianne Wong269
  2. Specialty average277

Most prescribed

  1. Latanoprost126 claims
  2. Timolol Maleate42 claims
  3. Bimatoprost22 claims
  4. Dorzolamide-Timolol18 claims
  5. Cyclosporine15 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.

Industry payments in 2024: $15.86

1 payment: food and beverage; the largest payer was RxSight Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dianne Wong$15.86
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Optometrist providers in California

There are 8,308 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Dianne Wong, O.D.'s NPI number?

Dianne Wong, O.D.'s National Provider Identifier (NPI) is 1750384061, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dianne Wong, O.D. located?

The NPPES record lists a practice address at 901 E St, San Rafael, CA, 94901. Phone: (415) 454-5565. Providers update this record themselves, so call before visiting.

How can I verify Dianne Wong, O.D.'s license?

NPPES lists California license number 11780, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Dianne Wong, O.D. prescribe under Medicare Part D?

In 2024, Dianne Wong, O.D. had 269 Medicare Part D claims for 97 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.