Doctor profile · Federal record

Dr. Ronaldo Fermin, D.M.D

General Practice Dentistry · South San Francisco, CA

  • NPI 1821022898
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2400 Westborough Blvd Ste 104
South San Francisco, CA 940805402
(650) 878-1033
fax (650) 878-1031

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 9, 2020
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
California #35880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821022898. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $20.89

By nature of payment

Food and Beverage
$21

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronaldo Fermin's medical specialty?
Dr. Ronaldo Fermin practices General Practice Dentistry in South San Francisco, CA.
Where does Dr. Ronaldo Fermin practice?
Dr. Ronaldo Fermin practices at 2400 Westborough Blvd Ste 104, South San Francisco, CA 940805402. Office phone: 6508781033.
What is Dr. Ronaldo Fermin's NPI?
Dr. Ronaldo Fermin's National Provider Identifier (NPI) is 1821022898, issued by NPPES.