Doctor profile · Federal record

Dr. Siamak Madani, D.M.D.

Periodontist · San Jose, CA

  • NPI 1861538118
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4155 Moorpark Ave Ste 18
San Jose, CA 951171714
(408) 244-7674
fax (408) 246-3226

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223P0300X — NUCC code
State license (1)
California #38872

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861538118. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$72
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 2 $47.06
Align Technology, INC. 1 $24.83

By nature of payment

Food and Beverage
$72

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
52
Total drug cost
$401
Drug Type Claims Patients Total cost
Amoxicillin Generic 29 27 $234
Ibuprofen Generic 28 25 $167

Frequently asked questions

Auto-generated from federal data
What is Dr. Siamak Madani's medical specialty?
Dr. Siamak Madani practices Periodontist in San Jose, CA.
Where does Dr. Siamak Madani practice?
Dr. Siamak Madani practices at 4155 Moorpark Ave Ste 18, San Jose, CA 951171714. Office phone: 4082447674.
What is Dr. Siamak Madani's NPI?
Dr. Siamak Madani's National Provider Identifier (NPI) is 1861538118, issued by NPPES.