Quick answers
- Which hospitals does Tracy A. Lyou work at?
- Medicare's official clinician data lists Tracy A. Lyou at 1 hospital: Community Memorial Hospital - Ventura. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tracy A. Lyou see patients?
- Medicare's clinician data lists 3 practice locations, including Ventura, CA, Oxnard, CA and Santa Paula, CA. Call before your visit to confirm the address.
- What is Tracy A. Lyou's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Tracy A. Lyou accept Medicare assignment?
- Yes. Medicare's clinician data says Tracy A. Lyou 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.
- Does Tracy A. Lyou offer telehealth?
- Medicare's clinician data says Tracy A. Lyou offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tracy A. Lyou?
- (805) 641-2000, as listed in official Medicare / NPI Registry data.
- What is Tracy A. Lyou's NPI number?
- 1164766291. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tracy A. Lyou works
Medicare's Facility Affiliation Data lists Tracy A. Lyou at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial Hospital - VenturaVentura, CA · Acute Care Hospital · CCN 050394
Practice locations
Addresses where Tracy A. Lyou is enrolled with Medicare (CMS data updated 2026-10-02).
- 168 N Brent St, Suite 502Ventura, CA 93003 (805) 641‑2000
- 1700 N Rose Ave, Suite 350Oxnard, CA 93030 (805) 485‑7877
- 400 E Santa Barbara St, Suite ASanta Paula, CA 93060 (805) 525‑2121
Group practices
Medicare enrollment lists Tracy A. Lyou as a member of this group (CMS data updated 2026-10-02).
- Dignity Health Medical Foundation1,184 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164766291 |
| 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