Registry data as of Aug 27, 2026

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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982645420
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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Freda Chin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 10755T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

75% fewer Medicare Part D claims than the average optometrist in 2024

69 Medicare Part D claims for 24 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Freda Chin69
  2. Specialty average279

Most prescribed

  1. Timolol Maleate20 claims
  2. Azelastine Hcl18 claims
  3. 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.

2 optometrist records list a Patterson practice address

They are 2 of the 159 NPPES records with a Patterson practice address, and 8,156 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

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 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.