Doctor profile · Federal record

Dr. Robert Gunzenhauser

Ophthalmology Physician (CMS: Ophthalmology) · Glaucoma Specialist (Ophthalmology) Physician · Los Angeles, CA

  • NPI 1457988065
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Stein Plz Fl 1
Los Angeles, CA 900952004
(310) 206-9566
fax (310) 206-5673
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
July 1, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A189179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457988065. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$325
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Carl Zeiss Meditec USA, Inc. 2 $167.73
Glaukos Corporation 1 $157.69

By nature of payment

Food and Beverage
$311
Travel and Lodging
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
11
Total drug cost
$1,620
Drug Type Claims Patients Total cost
Latanoprost Generic 24 0 $457
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 17 0 $407
Prednisolone Acetate Generic 13 11 $613
Ofloxacin Generic 11 0 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gunzenhauser's medical specialty?
Dr. Robert Gunzenhauser practices Ophthalmology Physician in Los Angeles, CA.
Where does Dr. Robert Gunzenhauser practice?
Dr. Robert Gunzenhauser practices at 100 Stein Plz Fl 1, Los Angeles, CA 900952004. Office phone: 3102069566.
What is Dr. Robert Gunzenhauser's NPI?
Dr. Robert Gunzenhauser's National Provider Identifier (NPI) is 1457988065, issued by NPPES.
Does Dr. Robert Gunzenhauser accept Medicare assignment?
Yes. Dr. Robert Gunzenhauser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.