Doctor profile · Federal record

Dr. Warren Stout, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Pasadena, CA

  • NPI 1790829208
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 E. Colorado Blvd., Suite 260
Pasadena, CA 91101
(626) 449-6494
fax (626) 449-0813

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 19, 2015
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G46809

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790829208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$2,784
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $232

In context: peer comparison

Among 17 peers in Pasadena Ophthalmology Physician, average services per provider: 112. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
158
Patients
111
Total drug cost
$1,791
Drug Type Claims Patients Total cost
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 82 41 $1,276
Azithromycin Generic 42 38 $226
Methylprednisolone Generic 34 32 $289

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Stout's medical specialty?
Dr. Warren Stout practices Ophthalmology Physician in Pasadena, CA.
Where does Dr. Warren Stout practice?
Dr. Warren Stout practices at 800 E. Colorado Blvd., Pasadena, CA 91101. Office phone: 6264496494.
What is Dr. Warren Stout's NPI?
Dr. Warren Stout's National Provider Identifier (NPI) is 1790829208, issued by NPPES.
Does Dr. Warren Stout accept Medicare assignment?
Yes. Dr. Warren Stout accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Stout commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.