Doctor profile · Federal record

Dr. Alexander Marson, M.D., PH.D.

Internal Medicine Physician · San Francisco, CA

  • NPI 1417276254
  • 16 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941430001
(415) 353-2326
Mailing address
UCSF, 513 Parnassus Avenue, 380A
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
March 25, 2015
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A121580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417276254. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$13,414
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 7 $12,374.45
Gilead Sciences, Inc. 1 $1,040.00

By nature of payment

Consulting Fee
$12,016
Travel and Lodging
$1,098
Food and Beverage
$300

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Marson's medical specialty?
Dr. Alexander Marson practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Alexander Marson practice?
Dr. Alexander Marson practices at 400 Parnassus Ave, San Francisco, CA 941430001. Office phone: 4153532326.
What is Dr. Alexander Marson's NPI?
Dr. Alexander Marson's National Provider Identifier (NPI) is 1417276254, issued by NPPES.