Doctor profile · Federal record

Dr. James Buck, PA-C

Physician Assistant · San Francisco, CA

  • NPI 1902959786
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1580 Valencia St, Suite 703
San Francisco, CA 94110
(415) 642-0707
fax (415) 648-7988

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 11, 2014
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA15831

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902959786. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$81
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Vertex Pharmaceuticals Incorporated 2 $48.74
Collegium Pharmaceutical, INC. 1 $19.00
DePuy Synthes Sales INC. 1 $13.19

By nature of payment

Food and Beverage
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
49
Total drug cost
$6,710
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 67 36 $6,367
Amoxicillin Generic 18 0 $25
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $178
Oxycodone Hcl Generic 11 0 $140

Frequently asked questions

Auto-generated from federal data
What is Dr. James Buck's medical specialty?
Dr. James Buck practices Physician Assistant in San Francisco, CA.
Where does Dr. James Buck practice?
Dr. James Buck practices at 1580 Valencia St, San Francisco, CA 94110. Office phone: 4156420707.
What is Dr. James Buck's NPI?
Dr. James Buck's National Provider Identifier (NPI) is 1902959786, issued by NPPES.