Katherine Gillett, O.D.
Optometrist · Porterville, CA
Katherine Gillett, O.D. is an optometrist with a practice address in Porterville, California, and NPI 1023447489, issued on Nov 6, 2013. Check the license (California OPT14797TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Gillett
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT14797TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 418 W Putnam Ave, Porterville, CA 93257
- Phone
- (559) 784-4063
- Enumerated
- Nov 6, 2013
- Record last updated
- Feb 11, 2022
- Fax
- (559) 784-2069
- Medicare enrollment
- Enrolled (PECOS I20190912002027); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2013
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 418 W Putnam Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Gillett, O.D.Optometrist1740275619
Verify Katherine Gillett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT14797TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average optometrist in 2024
248 Medicare Part D claims for 103 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
- Cyclosporine78 claims
- Latanoprost64 claims
- Dorzolamide-Timolol21 claims
- Doxycycline Hyclate15 claims
- Neomycin-Polymyxin-Dexameth15 claims
- Miebo12 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: $148.54
2 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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
- Permanente Medical Group IncRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Gillett among 8,308 optometrist records in California
Katherine Gillett, 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 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2013 · 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).
13 optometrist records list a practice address in Porterville
They are 13 of the 795 NPPES records with a practice address in Porterville, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Porterville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Brett Cornelison, ODPorterville, CA 932571568445658
- Neda Farhadian, ODPorterville, CA 932571699480442
- Robert Gillett, O.D.Porterville, CA 932571740275619
- Madina Hasnain, O.D.Porterville, CA 932571679855464
- Salma Iqbal, O.D.Porterville, CA 932571538479837
- Jolly Mamauag-Camat, O.D.Porterville, CA 932571255743753
- Michael MillerPorterville, CA 932571316611833
- Arash Namiranian, ODPorterville, CA 932571487264404
Common questions
What is Katherine Gillett, O.D.'s NPI number?
Katherine Gillett, O.D.'s National Provider Identifier (NPI) is 1023447489, issued on Nov 6, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Gillett, O.D. located?
The NPPES record lists a practice address at 418 W Putnam Ave, Porterville, CA, 93257. Phone: (559) 784-4063. Providers update this record themselves, so call before visiting.
How can I verify Katherine Gillett, O.D.'s license?
NPPES lists California license number OPT14797TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Gillett, O.D. prescribe under Medicare Part D?
In 2024, Katherine Gillett, O.D. had 248 Medicare Part D claims for 103 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.