Doctor profile · Federal record

Dr. Yann Dacquay

Hospitalist Physician (CMS: Hospitalist) · Thousand Oaks, CA

  • NPI 1639819634
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
215 W Janss RD
Thousand Oaks, CA 913601847
(805) 497-2727

Credentials & registration

NPPES · NUCC
NPI registered
March 2022 — 4 yrs on file
Profile last updated
October 17, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #21898

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639819634. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $30.49

By nature of payment

Food and Beverage
$30

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Yann Dacquay's medical specialty?
Dr. Yann Dacquay practices Hospitalist Physician in Thousand Oaks, CA.
Where does Dr. Yann Dacquay practice?
Dr. Yann Dacquay practices at 215 W Janss RD, Thousand Oaks, CA 913601847. Office phone: 8054972727.
What is Dr. Yann Dacquay's NPI?
Dr. Yann Dacquay's National Provider Identifier (NPI) is 1639819634, issued by NPPES.
Does Dr. Yann Dacquay accept Medicare assignment?
Yes. Dr. Yann Dacquay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.