Doctor profile · Federal record

Dr. Mark Humayun, M.D.

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

  • NPI 1548322381
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1450 San Pablo St, Suite 4000
Los Angeles, CA 900334668
(323) 442-6311
fax (323) 442-7166
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A52637

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548322381. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
368
Distinct HCPCS
5
Medicare allowed
$22,150
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 156 84 $27
92014 Established patient complete exam of visual system 118 81 $82
67028 Injection of drug into eye 65 14 $99
92004 New patient complete exam of visual system 16 16 $101
92250 Photography of the retina 13 13 $23

In context: peer comparison

Among 92 peers in this city , average services per provider: 277. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$9,554
Transactions
14
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alcon Research LLC 5 $7,604.04
Alcon Vision LLC 4 $1,439.38
Bausch & Lomb Americas Inc. 3 $297.79
Alimera Sciences, Inc. 1 $127.07
Regeneron Pharmaceuticals, Inc. 1 $86.00

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$5,000
Travel and Lodging
$3,297
Food and Beverage
$1,257

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Humayun's medical specialty?
Dr. Mark Humayun practices Ophthalmology Physician in Los Angeles, CA.
Where does Dr. Mark Humayun practice?
Dr. Mark Humayun practices at 1450 San Pablo St, Los Angeles, CA 900334668. Office phone: 3234426311.
What is Dr. Mark Humayun's NPI?
Dr. Mark Humayun's National Provider Identifier (NPI) is 1548322381, issued by NPPES.
Does Dr. Mark Humayun accept Medicare assignment?
Yes. Dr. Mark Humayun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Humayun commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.