NPPES file of Aug 9, 2026

Marilyn Mun Ye Ng, O.D.

Optometrist · San Francisco, CA

Marilyn Mun Ye Ng, O.D. is an optometrist with a practice address in San Francisco, California, and NPI 1720159239, issued on Nov 13, 2006. Check the license (California 12910T, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720159239
Name
Marilyn Mun Ye Ng
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
12910T CA
Self-reported in NPPES; status is on the state search
Practice location
1826 Buchanan St Ste A, San Francisco, CA 94115
Phone
(415) 931-1903
Enumerated
Nov 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 931-1904
Medicare enrollment
Enrolled (PECOS I20070601000497); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2005
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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Verify Marilyn Mun Ye Ng 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 12910T
    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

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Industry payments in 2024: $1,666.82

7 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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. Marilyn Ng$1,666.82
  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.

Bills Medicare through one group practice

  1. Verissa Lam Optometry CorporationSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marilyn Mun Ye Ng among 8,308 optometrist records in California

Marilyn Mun Ye Ng, O.D. 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2005 · median 2008 among the 3,573 with a school on file
  • Record last updated2007 · 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Jeff Azus, ODSan Francisco, CA 941151396810446
  2. Terrence Chan, O.D.San Francisco, CA 941151659302982
  3. Michael Gee, O.D.San Francisco, CA 941151801952957
  4. Thomas King, ODSan Francisco, CA 941151851393789
  5. Andrea LeSan Francisco, CA 941151275682049
  6. Clifford Lee, O.D.San Francisco, CA 941151497828370
  7. Edna Lee, O.D.San Francisco, CA 941151124191002
  8. Franklin Quon, O.D.San Francisco, CA 941151841348067

Common questions

What is Marilyn Mun Ye Ng, O.D.'s NPI number?

Marilyn Mun Ye Ng, O.D.'s National Provider Identifier (NPI) is 1720159239, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn Mun Ye Ng, O.D. located?

The NPPES record lists a practice address at 1826 Buchanan St Ste A, San Francisco, CA, 94115. Phone: (415) 931-1903. Providers update this record themselves, so call before visiting.

How can I verify Marilyn Mun Ye Ng, O.D.'s license?

NPPES lists California license number 12910T, 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. 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.