Andrew Mah, O.D.
Optometrist · San Ramon, CA
Andrew Mah, O.D. is an optometrist with a practice address in San Ramon, California, and NPI 1497286496, issued on Mar 22, 2017. Check the license (California 33628, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrew Mah
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 33628 CA
60707338 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2837 Yosemite Ave, San Ramon, CA 94583
- Phone
- (925) 818-5704
- Enumerated
- Mar 22, 2017
- Record last updated
- Mar 22, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Andrew Mah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $62.58
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Mah among 8,308 optometrist records in California
Andrew Mah, 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 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2017 · 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).
23 optometrist records list a practice address in San Ramon
They are 23 of the 2,281 NPPES records with a practice address in San Ramon, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Ramon → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nahid Abdali, O.D.San Ramon, CA 945831700210242
- Victoria Chiu, O.D.San Ramon, CA 945831477832574
- Jay Delaney, O.D.San Ramon, CA 945831720086135
- Caryn Ha, O.D.San Ramon, CA 945831215059225
- Saria Iqbal, O.D.San Ramon, CA 945831255696688
- C Stephen Johnson, OD FAAOSan Ramon, CA 945831902804875
- Saira Khan, O.D.San Ramon, CA 945831073668117
- Najla Malak-Majdalani, O.D.San Ramon, CA 945831700921426
Common questions
What is Andrew Mah, O.D.'s NPI number?
Andrew Mah, O.D.'s National Provider Identifier (NPI) is 1497286496, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Mah, O.D. located?
The NPPES record lists a practice address at 2837 Yosemite Ave, San Ramon, CA, 94583. Phone: (925) 818-5704. Providers update this record themselves, so call before visiting.
How can I verify Andrew Mah, O.D.'s license?
NPPES lists California license number 33628, 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.