Matt Siu, O.D.
Optometrist · Novato, CA
Matt Siu, O.D. is an optometrist with a practice address in Novato, California, and NPI 1255783106, issued on Jul 4, 2016. Check the license (California 34420TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matt Siu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 34420TLG CA
TA2544 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7075 Redwood Blvd, Novato, CA 94945
- Phone
- (415) 897-2997
- Enumerated
- Jul 4, 2016
- Record last updated
- May 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20200212001601); accepts Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 2016
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Matt Siu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34420TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average optometrist in 2024
30 Medicare Part D claims for 18 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of 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: $693.13
18 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings 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.
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
- Tania Mantua And Matt H Siu OD A Professional CorporationNovato, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matt Siu among 8,308 optometrist records in California
Matt Siu, 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 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2016 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 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).
13 optometrist records list a practice address in Novato
They are 13 of the 934 NPPES records with a practice address in Novato, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Novato → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Susan Bynum, O.D.Novato, CA 949451861539868
- Christina Chun, O.D.Novato, CA 949451386037992
- Suzanne Huang, O.D.Novato, CA 949451215936174
- Tiffany Lau, ODNovato, CA 949451245127612
- Steven Lowe, O.D.Novato, CA 949451932240215
- Tania Mantua, O.D.Novato, CA 949451053337097
- Dennis Palm, O.D.Novato, CA 949451285786038
- Lora Pond, O.D.Novato, CA 949451972537124
Common questions
What is Matt Siu, O.D.'s NPI number?
Matt Siu, O.D.'s National Provider Identifier (NPI) is 1255783106, issued on Jul 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Matt Siu, O.D. located?
The NPPES record lists a practice address at 7075 Redwood Blvd, Novato, CA, 94945. Phone: (415) 897-2997. Providers update this record themselves, so call before visiting.
How can I verify Matt Siu, O.D.'s license?
NPPES lists California license number 34420TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matt Siu, O.D. prescribe under Medicare Part D?
In 2024, Matt Siu, O.D. had 30 Medicare Part D claims for 18 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.