Doctor profile · Federal record

Dr. Cristian Sierra, DMD

Dentist · Dentist · Atascadero, CA

  • NPI 1265849426
  • 12 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5960 West Mall Ste A
Atascadero, CA 934224232
(805) 466-5787
fax (805) 466-6531

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
December 13, 2019
Specialty taxonomy
122300000X — NUCC code
State licenses (2)
California #64345 · Tennessee #0000010092

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265849426. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$938
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 3 $938.00

By nature of payment

Food and Beverage
$438
Entertainment
$250
Education
$250

Frequently asked questions

Auto-generated from federal data
What is Dr. Cristian Sierra's medical specialty?
Dr. Cristian Sierra practices Dentist in Atascadero, CA.
Where does Dr. Cristian Sierra practice?
Dr. Cristian Sierra practices at 5960 West Mall Ste A, Atascadero, CA 934224232. Office phone: 8054665787.
What is Dr. Cristian Sierra's NPI?
Dr. Cristian Sierra's National Provider Identifier (NPI) is 1265849426, issued by NPPES.