Freda Chin, O.D.
Optometrist · Patterson, CA
Freda Chin, O.D. is an optometrist with a practice address in Patterson, California, and NPI 1982645420, issued on Jun 8, 2006. Check the license (California 10755T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Freda Chin
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 10755T CA
OPT10755 CA
Self-reported in NPPES; status is on the state search - Practice location
- 46 S. Del Puerto Ave, Patterson, CA 95363
- Phone
- (209) 892-2161
- Enumerated
- Jun 8, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (209) 892-5512
- Medicaid ID
- SD0107551 CA
- Medicare enrollment
- Enrolled (PECOS I20070125000482); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1996
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Freda Chin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10755TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average optometrist in 2024
69 Medicare Part D claims for 24 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Timolol Maleate20 claims
- Azelastine Hcl18 claims
- Restasis16 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.
Freda Chin among 8,308 optometrist records in California
Freda Chin, 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
- Graduated1996 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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).
2 optometrist records list a practice address in Patterson
They are 2 of the 159 NPPES records with a practice address in Patterson, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Patterson → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Anthony Nguyen, O.D.Patterson, CA 953631114357597
- Danielle Boyd, ODOakdale, CA 953611255856969
- Alma Martinez Torres, O.D.Oakdale, CA 953611639510852
- Tom Mihok, O.D.Oakdale, CA 953611952394959
- Douglas Patten, O.D.Oakdale, CA 953611952360182
- Albert Scaief, O.D., M.S.Oakdale, CA 953611609939560
- Dawn Viramontes, ODOakdale, CA 953611750385787
- Allen Hoek, ODRipon, CA 953661649284316
Common questions
What is Freda Chin, O.D.'s NPI number?
Freda Chin, O.D.'s National Provider Identifier (NPI) is 1982645420, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Freda Chin, O.D. located?
The NPPES record lists a practice address at 46 S. Del Puerto Ave, Patterson, CA, 95363. Phone: (209) 892-2161. Providers update this record themselves, so call before visiting.
How can I verify Freda Chin, O.D.'s license?
NPPES lists California license number 10755T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Freda Chin, O.D. prescribe under Medicare Part D?
In 2024, Freda Chin, O.D. had 69 Medicare Part D claims for 24 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.