John Rader Prewett, O.D.
Optometrist · Santa Maria, CA
John Rader Prewett, O.D. is an optometrist with a practice address in Santa Maria, California, and NPI 1902987001, issued on Oct 17, 2006. Check the license (California CA7312, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Rader Prewett
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- CA7312 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1429 S Broadway, Santa Maria, CA 93454
- Phone
- (805) 925-9575
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 739-8886
- Medicaid ID
- SD0073121 CA
- Medicare enrollment
- Enrolled (PECOS I20040330000333); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify John Rader Prewett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license CA7312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average optometrist in 2024
129 Medicare Part D claims for 57 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Latanoprost63 claims
- Eysuvis19 claims
- Cyclosporine16 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.
The MIPS final score for 2023 (Medicare payment program): 65.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
John Rader Prewett among 8,308 optometrist records in California
John Rader Prewett, 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
- Graduated1981 · 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.
All 8,308 in California → Every provider in Santa Maria → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- David Alford, O.D.Santa Maria, CA 934541336110956
- Syed Ali, O.D. (OPTOMETRIST)Santa Maria, CA 934541902854391
- James Franta, ODSanta Maria, CA 934541255334256
- Stephen Healey, O.D.Santa Maria, CA 934541285784355
- Krista Martin, O.D.Santa Maria, CA 934541336242254
- Erin Mewes, O.D.Santa Maria, CA 934541528136041
- John Moessinger, ODSanta Maria, CA 934541114920741
- Samuel Moore, O.D.Santa Maria, CA 934541881637445
Common questions
What is John Rader Prewett, O.D.'s NPI number?
John Rader Prewett, O.D.'s National Provider Identifier (NPI) is 1902987001, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Rader Prewett, O.D. located?
The NPPES record lists a practice address at 1429 S Broadway, Santa Maria, CA, 93454. Phone: (805) 925-9575. Providers update this record themselves, so call before visiting.
How can I verify John Rader Prewett, O.D.'s license?
NPPES lists California license number CA7312, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John Rader Prewett, O.D. prescribe under Medicare Part D?
In 2024, John Rader Prewett, O.D. had 129 Medicare Part D claims for 57 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is John Rader Prewett, O.D.'s MIPS final score?
The 2023 MIPS final score is 65.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.