Quick answers
- Which hospitals does Billy T. Hour work at?
- Medicare's official clinician data lists Billy T. Hour at 5 hospitals: Henry Mayo Newhall Hospital, Northridge Hospital Medical Center, Pacifica Hospital of the Valley, Providence Holy Cross Medical Center and Providence Queen of the Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Billy T. Hour see patients?
- Medicare's clinician data lists 4 practice locations, including Napa, CA, Mission Hills, CA and Santa Clarita, CA. Call before your visit to confirm the address.
- What is Billy T. Hour's specialty?
- Medicare lists Nephrology as the primary specialty, and also Hospitalist and Internal Medicine.
- Does Billy T. Hour accept Medicare assignment?
- Yes. Medicare's clinician data says Billy T. Hour 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 Billy T. Hour?
- (707) 252-4411, as listed in official Medicare / NPI Registry data.
- What is Billy T. Hour's NPI number?
- 1790097004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Billy T. Hour works
Medicare's Facility Affiliation Data lists Billy T. Hour at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · CCN 050624
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
- Pacifica Hospital of the ValleySun Valley, CA · Acute Care Hospital · CCN 050378
- Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · CCN 050278
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · CCN 050009
Practice locations
Addresses where Billy T. Hour is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Trancas StNapa, CA 94558 (707) 252‑4411
- 11550 Indian Hills Rd, Suite 371Mission Hills, CA 91345 (818) 365‑1194
- 23421 Lyons AveSanta Clarita, CA 91355 (661) 753‑9891
- 28494 Westinghouse Pl, Suite 104Valencia, CA 91355 (781) 866‑9875
Group practices
Medicare enrollment lists Billy T. Hour as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- Kidney Consultants Medical Group Inc13 clinicians in the group
- Continuum Kidney Services LLC2 clinicians in the group
Specialties
- Nephrologyprimary
- Hospitalistalso
- Internal Medicinealso
Other nephrologists in Napa
Clinicians with the same Medicare primary specialty in Napa, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790097004 |
| 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