Doctor profile · Federal record

Dr. William Quismorio, M.D.

General Practice Physician · Antioch, CA

  • NPI 1326052572
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3707 Sunset Ln
Antioch, CA 945096101
(925) 522-0124
fax (925) 522-0133

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 6, 2008
Specialty taxonomy
208D00000X — NUCC code
State license (1)
California #A41861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326052572. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$108
Transactions
7
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 7 $108.22

By nature of payment

Food and Beverage
$108

Frequently asked questions

Auto-generated from federal data
What is Dr. William Quismorio's medical specialty?
Dr. William Quismorio practices General Practice Physician in Antioch, CA.
Where does Dr. William Quismorio practice?
Dr. William Quismorio practices at 3707 Sunset Ln, Antioch, CA 945096101. Office phone: 9255220124.
What is Dr. William Quismorio's NPI?
Dr. William Quismorio's National Provider Identifier (NPI) is 1326052572, issued by NPPES.