Quick answers
- Which hospitals does Yann Dacquay work at?
- Medicare's official clinician data lists Yann Dacquay at 3 hospitals: Adventist Health Simi Valley, Los Robles Hospital & Medical Center and St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Yann Dacquay see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is Yann Dacquay's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Yann Dacquay accept Medicare assignment?
- Yes. Medicare's clinician data says Yann Dacquay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Yann Dacquay?
- (818) 823-6717, as listed in official Medicare / NPI Registry data.
- What is Yann Dacquay's NPI number?
- 1639819634. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Yann Dacquay works
Medicare's Facility Affiliation Data lists Yann Dacquay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · CCN 050549
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
Practice locations
Addresses where Yann Dacquay is enrolled with Medicare (CMS data updated 2026-10-02).
- 4776 Allied RdSan Diego, CA 92120 (818) 823‑6717
Group practices
Medicare enrollment lists Yann Dacquay as a member of this group (CMS data updated 2026-10-02).
- Life Medical Practitioners20 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639819634 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians