Doctor profile · Federal record

Dr. Mark Youssef, MD

Surgery Physician (CMS: General Surgery) · Obstetrics & Gynecology Physician · Plastic Surgery Physician · Santa Monica, CA

  • NPI 1225200637
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1551 Ocean Ave, Ste.#200
Santa Monica, CA 904012108
(310) 434-0044
fax (310) 434-0099
Additional location
1317 5Th St Ste 300
Santa Monica, CA 904011433
(818) 888-7815
fax (818) 715-1722
Mailing address
Po Box 7001
Tarzana, CA 913577001

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
November 10, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A77473

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225200637. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$9,440
Transactions
14
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Galderma Laboratories, L.P. 3 $9,016.35
Revance Therapeutics, INC. 5 $171.66
Intuitive Surgical, INC. 1 $113.75
Abbvie INC. 3 $82.35
Merz North America, INC. 2 $55.47

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
$9,000
Food and Beverage
$440

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
12
Total drug cost
$139
Drug Type Claims Patients Total cost
Cephalexin Generic 18 12 $139

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Youssef's medical specialty?
Dr. Mark Youssef practices Surgery Physician in Santa Monica, CA.
Where does Dr. Mark Youssef practice?
Dr. Mark Youssef practices at 1551 Ocean Ave, Santa Monica, CA 904012108. Office phone: 3104340044.
What is Dr. Mark Youssef's NPI?
Dr. Mark Youssef's National Provider Identifier (NPI) is 1225200637, issued by NPPES.
Does Dr. Mark Youssef accept Medicare assignment?
Yes. Dr. Mark Youssef accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.