Michael William Ottati, O.D.
Optometrist · Antioch, CA
Michael William Ottati, O.D. is an optometrist with a practice address in Antioch, California, and NPI 1528231065, issued on Apr 4, 2008. Check the license (California 11082TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael William Ottati
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11082TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 3700 Sunset LN, Antioch, CA 94509
- Phone
- (925) 757-0450
- Enumerated
- Apr 4, 2008
- Record last updated
- Apr 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (925) 757-0266
- Medicare enrollment
- Enrolled (PECOS I20080403000358); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 3700 Sunset LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael William Ottati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11082TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average optometrist in 2024
52 Medicare Part D claims for 22 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Timolol Maleate14 claims
- Cyclosporine12 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.
Michael William Ottati among 8,308 optometrist records in California
Michael William Ottati, 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1998 · median 2008 among the 3,573 with a school on file
- Record last updated2008 · 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).
24 optometrist records list a practice address in Antioch
They are 24 of the 2,184 NPPES records with a practice address in Antioch, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Antioch → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jenifer Chung, O.D.Antioch, CA 945091821140534
- David Huff, ODAntioch, CA 945091558405712
- Meng Lee, O.D.Antioch, CA 945091538325139
- Garret Louie, O.D.Antioch, CA 945091023173044
- Kidisti Mariam, ODAntioch, CA 945091477508331
- Diya Nakrani, O.D.Antioch, CA 945091861362592
- Shirley Ong, O.D.Antioch, CA 945091861540205
- Frances Ong, ODAntioch, CA 945091942344197
Common questions
What is Michael William Ottati, O.D.'s NPI number?
Michael William Ottati, O.D.'s National Provider Identifier (NPI) is 1528231065, issued on Apr 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael William Ottati, O.D. located?
The NPPES record lists a practice address at 3700 Sunset LN, Antioch, CA, 94509. Phone: (925) 757-0450. Providers update this record themselves, so call before visiting.
How can I verify Michael William Ottati, O.D.'s license?
NPPES lists California license number 11082TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michael William Ottati, O.D. prescribe under Medicare Part D?
In 2024, Michael William Ottati, O.D. had 52 Medicare Part D claims for 22 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.