Doctor profile · Federal record

Dr. Justin Marson, MD

Student in an Organized Health Care Education/Training Program · Dermatology Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Brooklyn, NY

  • NPI 1831650548
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
450 Clarkson Ave # 46
Brooklyn, NY 112032012
(718) 270-1229
Additional location
35 E 35Th St Rm 208
New York, NY 100163823
(212) 889-7968
Additional location
101 the City Dr S Ste 400
Orange, CA 928683201
(714) 456-5691
fax (714) 456-8874

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
January 5, 2022
Specialty taxonomy
390200000X — NUCC code
State license (1)
New York #306483

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831650548. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,702
Transactions
71
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
SUN PHARMACEUTICAL INDUSTRIES INC. 15 $1,436.57
Dermavant Sciences, Inc. 9 $1,125.79
E.R. Squibb & Sons, L.L.C. 9 $575.27
Janssen Scientific Affairs, LLC 4 $399.04
Incyte Corporation 4 $328.18
ABBVIE INC. 6 $195.19
UCB, Inc. 4 $184.87
GENZYME CORPORATION 3 $178.17
Lilly USA, LLC 4 $175.26
PFIZER INC. 2 $169.85
Galderma Laboratories, L.P. 2 $164.96
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $157.54
Verrica Pharmaceuticals Inc. 1 $147.40
Novartis Pharmaceuticals Corporation 3 $139.71
Janssen Biotech, Inc. 2 $75.90

By nature of payment

Food and Beverage
$5,633
Education
$69

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
12
Total drug cost
$27,935
Drug Type Claims Patients Total cost
Ketoconazole Generic 20 0 $584
Triamcinolone Acetonide Generic 16 12 $252
Clindamycin Phosphate Generic 13 0 $638
Opzelura (Ruxolitinib Phosphate) Brand 12 0 $26,460

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Marson's medical specialty?
Dr. Justin Marson practices Student in an Organized Health Care Education/Training Program in Brooklyn, NY.
Where does Dr. Justin Marson practice?
Dr. Justin Marson practices at 450 Clarkson Ave # 46, Brooklyn, NY 112032012. Office phone: 7182701229.
What is Dr. Justin Marson's NPI?
Dr. Justin Marson's National Provider Identifier (NPI) is 1831650548, issued by NPPES.