Doctor profile · Federal record

Dr. Thomas Ellerhorst, D.D.S., M.S.D.

Orthodontics and Dentofacial Orthopedic Dentist · San Mateo, CA

  • NPI 1659575751
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
256 N San Mateo Dr Ste 1
San Mateo, CA 944012670
(650) 343-3603

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223X0400X — NUCC code
State license (1)
California #50244

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659575751. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$72
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 4 $71.89

By nature of payment

Food and Beverage
$72

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Ellerhorst's medical specialty?
Dr. Thomas Ellerhorst practices Orthodontics and Dentofacial Orthopedic Dentist in San Mateo, CA.
Where does Dr. Thomas Ellerhorst practice?
Dr. Thomas Ellerhorst practices at 256 N San Mateo Dr Ste 1, San Mateo, CA 944012670. Office phone: 6503433603.
What is Dr. Thomas Ellerhorst's NPI?
Dr. Thomas Ellerhorst's National Provider Identifier (NPI) is 1659575751, issued by NPPES.