Doctor profile · Federal record

Dr. Douglas Clark, O.D.

Optometrist (CMS: Optometry) · Austin, TX

  • NPI 1336185628
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5501 B North Ih 35
Austin, TX 787232430
(512) 452-5735
fax (512) 452-3119

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 16, 2010
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Texas #02529TG
Medicaid
TX #1335416-04

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336185628. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
3
Medicare allowed
$4,958
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 25 24 $119
92083 Exam of visual field with extended testing 23 16 $61
92133 Imaging of optic nerve 18 14 $33

In context: peer comparison

Among 58 peers in Austin Optometrist, average services per provider: 65. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
173
Patients
15
Total drug cost
$33,354
Drug Type Claims Patients Total cost
Latanoprost Generic 64 15 $1,535
Vyzulta (Latanoprostene Bunod) Brand 36 0 $15,841
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 22 0 $833
Travoprost Generic 20 0 $4,873
Lumigan (Bimatoprost) Brand 16 0 $10,013
Timolol Maleate Generic 15 0 $259

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Clark's medical specialty?
Dr. Douglas Clark practices Optometrist in Austin, TX.
Where does Dr. Douglas Clark practice?
Dr. Douglas Clark practices at 5501 B North Ih 35, Austin, TX 787232430. Office phone: 5124525735.
What is Dr. Douglas Clark's NPI?
Dr. Douglas Clark's National Provider Identifier (NPI) is 1336185628, issued by NPPES.
Does Dr. Douglas Clark accept Medicare assignment?
Dr. Douglas Clark does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Douglas Clark commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.