Helen Ma, OD
Optometrist · Palo Alto, CA
Helen Ma, OD is an optometrist with a practice address in Palo Alto, California, and NPI 1073689154, issued on Nov 28, 2006. Check the license (California OPT10372, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Helen Ma
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT10372 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2974
- Enumerated
- Nov 28, 2006
- Record last updated
- Mar 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081205000738); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamza AbbasiInternal Medicine Physician1821545484
- Arman Abdalkhani, MDOtolaryngology Physician1356536130
- Sara AbrahamsInternal Medicine Physician1952988354
- Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
- Amy Adams, M.D.Dermatology Physician1679643928
- William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830
Verify Helen Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT10372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
46 Medicare Part D claims for 36 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Erythromycin22 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
- Sutter Bay Medical FoundationMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen Ma among 8,308 optometrist records in California
Helen Ma, OD 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
- Graduated1994 · median 2008 among the 3,573 with a school on file
- Record last updated2020 · 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.
All 8,308 in California → Every provider in Palo Alto → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Dessie Athens, O.D.Palo Alto, CA 943011598853103
- Lawrence Chin, O.D.Palo Alto, CA 943011871554113
- Adrienne Lee, ODPalo Alto, CA 943011053401273
- Teresa Lui, O.D. INCPalo Alto, CA 943011306828454
- Manjeet Mann, O.D.Palo Alto, CA 943011063585990
- Cindy Matteson, ODPalo Alto, CA 943011346271665
- Joseph Most, O.D.Palo Alto, CA 943011568526440
- Julie Ng, ODPalo Alto, CA 943011194797050
Common questions
What is Helen Ma, OD's NPI number?
Helen Ma, OD's National Provider Identifier (NPI) is 1073689154, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen Ma, OD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2974. Providers update this record themselves, so call before visiting.
How can I verify Helen Ma, OD's license?
NPPES lists California license number OPT10372, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Helen Ma, OD prescribe under Medicare Part D?
In 2024, Helen Ma, OD had 46 Medicare Part D claims for 36 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.