Quick answers
- Which hospitals does John B. Slade Jr. work at?
- Medicare's official clinician data lists John B. Slade Jr. at 1 hospital: NorthBay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John B. Slade Jr. see patients?
- Medicare's clinician data lists 1 practice location in Vacaville, CA. Call before your visit to confirm the address.
- What is John B. Slade Jr.'s specialty?
- Medicare lists Family Practice as the primary specialty, and also Undersea and Hyperbaric Medicine.
- Does John B. Slade Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says John B. Slade Jr. 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 John B. Slade Jr.?
- (707) 624-7979, as listed in official Medicare / NPI Registry data.
- What is John B. Slade Jr.'s NPI number?
- 1457442394. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John B. Slade Jr. works
Medicare's Facility Affiliation Data lists John B. Slade Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · CCN 050367
Practice locations
Addresses where John B. Slade Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1010 Nut Tree Rd, Suite 100Vacaville, CA 95687 (707) 624‑7979
Specialties
Other family doctors in Vacaville
Clinicians with the same Medicare primary specialty in Vacaville, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457442394 |
| 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