Doctor profile · Federal record

Dr. William Tseng, D.D.S.

General Practice Dentistry · Palo Alto, CA

  • NPI 1821110412
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
251 High Street, Suite A
Palo Alto, CA 943011041
(650) 327-8822
fax (650) 327-7320

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
California #30299

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821110412. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$136
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ultradent Products INC 1 $136.49

By nature of payment

Gift
$136

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tseng's medical specialty?
Dr. William Tseng practices General Practice Dentistry in Palo Alto, CA.
Where does Dr. William Tseng practice?
Dr. William Tseng practices at 251 High Street, Palo Alto, CA 943011041. Office phone: 6503278822.
What is Dr. William Tseng's NPI?
Dr. William Tseng's National Provider Identifier (NPI) is 1821110412, issued by NPPES.