Doctor profile · Federal record

Dr. Devin Hymas, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Thousand Oaks, CA

  • NPI 1538383864
  • Accepts Medicare
  • MIPS 83.8 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2230 Lynn RD, Suite102
Thousand Oaks, CA 913601901
(805) 495-0458
fax (805) 494-9630

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
December 16, 2020
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A74605

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538383864. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,567
Distinct HCPCS
10
Medicare allowed
$508,812
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,436 1,310 $142
92136 Measurement of corneal curvature and depth of eye 414 203 $29
92012 Established patient problem focused exam of visual system 317 266 $101
92004 New patient complete exam of visual system 265 265 $167
66984 Removal of cataract with insertion of prosthetic lens 258 185 $594
99212 Established patient office or other outpatient visit, 10-19 minutes 239 222 $63
92020 Exam of the internal drainage system of eye 175 175 $31
92134 Imaging of retina 171 157 $45
92083 Exam of visual field with extended testing 118 109 $72
92133 Imaging of optic nerve 81 78 $38

In context: peer comparison

Among 3 peers in Thousand Oaks Ophthalmology Physician, average services per provider: 1,283. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$533
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 7 $186.56
Alcon Vision LLC 2 $186.44
Astellas Pharma US INC 1 $125.00
Dompe US, INC. 1 $34.98

By nature of payment

Food and Beverage
$533

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
878
Patients
539
Total drug cost
$141,910
Drug Type Claims Patients Total cost
Moxifloxacin (Moxifloxacin Hcl) Brand 160 120 $3,776
Latanoprost Generic 112 38 $2,538
Difluprednate Generic 99 80 $11,724
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 82 77 $4,365
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 79 72 $1,021
Lumigan (Bimatoprost) Brand 60 18 $38,758
Timolol Maleate Generic 55 14 $334
Prolensa (Bromfenac Sodium) Brand 52 41 $18,421
Besivance (Besifloxacin Hcl) Brand 45 38 $9,971
Prednisolone Acetate Generic 32 25 $1,136

Frequently asked questions

Auto-generated from federal data
What is Dr. Devin Hymas's medical specialty?
Dr. Devin Hymas practices Ophthalmology Physician in Thousand Oaks, CA.
Where does Dr. Devin Hymas practice?
Dr. Devin Hymas practices at 2230 Lynn RD, Thousand Oaks, CA 913601901. Office phone: 8054950458.
What is Dr. Devin Hymas's NPI?
Dr. Devin Hymas's National Provider Identifier (NPI) is 1538383864, issued by NPPES.
Does Dr. Devin Hymas accept Medicare assignment?
Yes. Dr. Devin Hymas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Devin Hymas commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Measurement of corneal curvature and depth of eye (HCPCS 92136); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.