Robert Donat Gillett, O.D.
Optometrist · Porterville, CA
Robert Donat Gillett, O.D. is an optometrist with a practice address in Porterville, California, and NPI 1740275619, issued on Sep 15, 2005. Check the license (California OPT6035TPL, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Donat Gillett
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT6035TPL 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
- Sep 15, 2005
- Record last updated
- Mar 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (559) 784-2069
- Medicaid ID
- SD0060350 CA
- Medicare enrollment
- Enrolled (PECOS I20060103000577); accepts Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1976
- 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.
- Katherine Gillett, O.D.Optometrist1023447489
Verify Robert Donat 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 OPT6035TPLCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average optometrist in 2024
576 Medicare Part D claims for 120 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost262 claims
- Tobramycin-Dexamethasone89 claims
- Timolol Maleate84 claims
- Dorzolamide-Timolol66 claims
- Brimonidine Tartrate12 claims
- Dorzolamide Hcl11 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: $154.34
3 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.
Robert Donat Gillett among 8,308 optometrist records in California
Robert Donat 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1976 · median 2008 among the 3,573 with a school on file
- Record last updated2010 · 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
- Katherine Gillett, O.D.Porterville, CA 932571023447489
- 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 Robert Donat Gillett, O.D.'s NPI number?
Robert Donat Gillett, O.D.'s National Provider Identifier (NPI) is 1740275619, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Donat 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 Robert Donat Gillett, O.D.'s license?
NPPES lists California license number OPT6035TPL, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Donat Gillett, O.D. prescribe under Medicare Part D?
In 2024, Robert Donat Gillett, O.D. had 576 Medicare Part D claims for 120 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.