Doctor profile · Federal record

Dr. Michael Mamoun, M.D.

Psychiatry Physician · Los Angeles, CA

  • NPI 1326332008
  • 15 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
149 S Barrington Ave # 444
Los Angeles, CA 900493310
(310) 440-9800
fax (310) 440-9810

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A99637

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326332008. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,254
Transactions
61
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Csl Behring 27 $335.18
Abbvie INC. 11 $247.06
Avanos Medical 1 $130.94
Argenx US, INC. 4 $101.76
E.R. Squibb & Sons, L.L.C. 3 $79.57
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 3 $78.36
Merz Pharmaceuticals, LLC 2 $52.13
Lilly USA, LLC 2 $47.62
Teva Pharmaceuticals USA, INC. 2 $46.43
Tg Therapeutics, INC. 2 $44.20
Lundbeck LLC 1 $26.98
Otsuka America Pharmaceutical, INC. 1 $25.23
Eisai INC. 1 $23.08
Valinor Pharma, LLC 1 $15.41

By nature of payment

Food and Beverage
$1,227
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$571
Drug Type Claims Patients Total cost
Diazepam Generic 12 0 $130
Quetiapine Fumarate Generic 12 0 $441

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Mamoun's medical specialty?
Dr. Michael Mamoun practices Psychiatry Physician in Los Angeles, CA.
Where does Dr. Michael Mamoun practice?
Dr. Michael Mamoun practices at 149 S Barrington Ave # 444, Los Angeles, CA 900493310. Office phone: 3104409800.
What is Dr. Michael Mamoun's NPI?
Dr. Michael Mamoun's National Provider Identifier (NPI) is 1326332008, issued by NPPES.