Doctor profile · Federal record

Dr. Mark Herbst, M.D.

Psychiatry Physician · Behavioral Neurology & Neuropsychiatry Physician · Los Angeles, CA

  • NPI 1578516811
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1891 Effie St
Los Angeles, CA 900261711
(323) 644-2000

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 6, 2013
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
California #G59419 · Hawaii #13321
Medicaid
HI #567117-02

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578516811. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$218
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Harmony Biosciences LLC 3 $112.71
Harmony Biosciences LLC 2 $77.72
Takeda Pharmaceuticals U.S.A., INC. 1 $27.09

By nature of payment

Food and Beverage
$218

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,161
Patients
245
Total drug cost
$182,057
Drug Type Claims Patients Total cost
Alprazolam Generic 168 32 $2,047
Bupropion Xl (Bupropion Hcl) Brand 103 22 $3,893
Ozempic (Semaglutide) Brand 88 20 $105,372
Diazepam Generic 86 11 $997
Lorazepam Generic 86 19 $1,133
Mirtazapine Generic 82 23 $1,665
Gabapentin Generic 79 21 $2,905
Doxepin Hcl Generic 75 24 $9,721
Clonazepam Generic 66 14 $593
Zolpidem Tartrate Generic 62 12 $531

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Herbst's medical specialty?
Dr. Mark Herbst practices Psychiatry Physician in Los Angeles, CA.
Where does Dr. Mark Herbst practice?
Dr. Mark Herbst practices at 1891 Effie St, Los Angeles, CA 900261711. Office phone: 3236442000.
What is Dr. Mark Herbst's NPI?
Dr. Mark Herbst's National Provider Identifier (NPI) is 1578516811, issued by NPPES.