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Devin C. Hymas, M.D.

NPI 1538383864ActiveIndividual· Ophthalmology· Thousand Oaks, CA

Ophthalmology (M.D.) in Thousand Oaks, California, trained at University of Utah School of Medicine (class of 1995). In 2024 Medicare paid $325,112 for 1,797 patients, and Part D covered 1,146 of their prescriptions, 65% of them generic. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $623.98 in all, mostly food and beverage.

Overview

NPI1538383864
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 11, 2007
Last updated in NPPESDec 16, 2020
Certified by providerDec 16, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XA74605CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Ophthalmology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,797
Services billed3,544 across 19 procedure codes
Paid by Medicare$325,112

Part D prescriptions in 2024

Prescriptions (claims)1,146 · 1,753 30-day fills
Patients445
Total drug cost$109,453
Generic share65% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Utah School of Medicine
Graduation year1995
Medicare specialtyOphthalmology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$623.98 · 16 payments from 4 companies
  • 2024$532.98 · 11 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$209.288
Alcon Vision LLC$145.632
Tarsus Pharmaceuticals, Inc.$141.825
Glaukos Corporation$127.251

What the 2025 payments were for

  • Food and Beverage$623.98 · 16 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Ophthalmology providers in Thousand Oaks

All Ophthalmology providers in California →