Doctor profile · Federal record

Dr. Benjamin Casper, MD

Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · San Francisco, CA

  • NPI 1790470433
  • 3 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Stanyan St
San Francisco, CA 941171019
(415) 750-5942
fax (415) 750-5594

Credentials & registration

NPPES · NUCC
NPI registered
April 2023 — 3 yrs on file
Profile last updated
April 9, 2025
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #PTL13741

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790470433. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$61
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $44.85
Eisai Inc. 1 $15.71

By nature of payment

Food and Beverage
$61

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Casper's medical specialty?
Dr. Benjamin Casper practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Benjamin Casper practice?
Dr. Benjamin Casper practices at 450 Stanyan St, San Francisco, CA 941171019. Office phone: 4157505942.
What is Dr. Benjamin Casper's NPI?
Dr. Benjamin Casper's National Provider Identifier (NPI) is 1790470433, issued by NPPES.