Doctor profile · Federal record

Dr. Matthew Markis, D.O.

Psychiatry Physician · Calabasas, CA

  • NPI 1780944470
  • 14 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
23622 Calabasas RD, Suite 320
Calabasas, CA 913021549
(818) 921-4300
fax (877) 917-3450

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
October 17, 2016
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Arizona #R2147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780944470. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,112
Transactions
46
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 17 $438.13
Lundbeck LLC 8 $179.37
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 5 $142.33
Otsuka America Pharmaceutical, Inc. 4 $99.27
Bausch Health US, LLC 4 $82.42
Neos Therapeutics, LP 2 $44.48
IDORSIA PHARMACEUTICALS US INC 2 $35.11
Alkermes, Inc. 1 $25.75
Axsome Therapeutics, Inc. 1 $24.55
Almatica Pharma LLC 1 $21.52
Takeda Pharmaceuticals U.S.A., Inc. 1 $19.03

By nature of payment

Food and Beverage
$1,112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
0
Total drug cost
$204
Drug Type Claims Patients Total cost
Alprazolam Generic 20 0 $204

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Markis's medical specialty?
Dr. Matthew Markis practices Psychiatry Physician in Calabasas, CA.
Where does Dr. Matthew Markis practice?
Dr. Matthew Markis practices at 23622 Calabasas RD, Calabasas, CA 913021549. Office phone: 8189214300.
What is Dr. Matthew Markis's NPI?
Dr. Matthew Markis's National Provider Identifier (NPI) is 1780944470, issued by NPPES.