NPPES file of Aug 9, 2026

Trevor Keith Irish, O.D.

Optometrist · Turlock, CA

Trevor Keith Irish, O.D. is an optometrist with a practice address in Turlock, California, and NPI 1790976066, issued on Aug 1, 2007. Check the license (California 13477T, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790976066
Name
Trevor Keith Irish
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
13477T CA
2533 OK
3257ATI OR
Self-reported in NPPES; status is on the state search
Practice location
991 E Monte Vista Ave, Turlock, CA 95382
Phone
(209) 634-8591
Enumerated
Aug 1, 2007
Record last updated
Sep 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(209) 634-8596
Medicaid ID
5033839 CA
Medicare enrollment
Enrolled (PECOS I20090420000165); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 991 E Monte Vista Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dennis Brewer, O.D.Optometrist1366436578
  2. Melanie Chiesa, O.D.Optometrist1760466148
  3. Kevin Screen, D.C.Chiropractor1104988039

Verify Trevor Keith Irish 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 13477T
    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

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57% fewer Medicare Part D claims than the average optometrist in 2024

120 Medicare Part D claims for 53 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Trevor Irish120
  2. Specialty average277

Most prescribed

  1. Latanoprost28 claims
  2. Timolol Maleate15 claims
  3. Lumigan12 claims
  4. Tobramycin-Dexamethasone11 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: $436.34

6 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.

  1. Trevor Irish$436.34
  2. Specialty average$769.99

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

  1. Fifth Optometric Care OF CaliforniaTurlock, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Trevor Keith Irish among 8,308 optometrist records in California

Trevor Keith Irish, 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2007 · median 2008 among the 3,573 with a school on file
  • Record last updated2011 · 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).

21 optometrist records list a practice address in Turlock

They are 21 of the 1,343 NPPES records with a practice address in Turlock, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Cassandra Abram, O.D.Turlock, CA 953821922411214
  2. Jay Berry, O.D.Turlock, CA 953821710982095
  3. Ruth Bonander, O.DTurlock, CA 953821154454668
  4. Dennis Brewer, O.D.Turlock, CA 953821366436578
  5. Melanie Chiesa, O.D.Turlock, CA 953821760466148
  6. Jeffrey Hamel, O.D.Turlock, CA 953821700881083
  7. Joyce IbanezTurlock, CA 953821518304336
  8. Alan Julien, O.D.Turlock, CA 953821366447633

Common questions

What is Trevor Keith Irish, O.D.'s NPI number?

Trevor Keith Irish, O.D.'s National Provider Identifier (NPI) is 1790976066, issued on Aug 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Trevor Keith Irish, O.D. located?

The NPPES record lists a practice address at 991 E Monte Vista Ave, Turlock, CA, 95382. Phone: (209) 634-8591. Providers update this record themselves, so call before visiting.

How can I verify Trevor Keith Irish, O.D.'s license?

NPPES lists California license number 13477T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Trevor Keith Irish, O.D. prescribe under Medicare Part D?

In 2024, Trevor Keith Irish, O.D. had 120 Medicare Part D claims for 53 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.