Quick answers
- Which hospitals does John P. Loftus work at?
- Medicare's official clinician data lists John P. Loftus at 3 hospitals: Adventist Health St Helena, NorthBay 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 John P. Loftus see patients?
- Medicare's clinician data lists 3 practice locations, including Vacaville, CA, Napa, CA and Fairfield, CA. Call before your visit to confirm the address.
- What is John P. Loftus's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does John P. Loftus accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Loftus 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 John P. Loftus offer telehealth?
- Medicare's clinician data says John P. Loftus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John P. Loftus?
- (707) 624-8290, as listed in official Medicare / NPI Registry data.
- What is John P. Loftus's NPI number?
- 1922074319. 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 P. Loftus works
Medicare's Facility Affiliation Data lists John P. Loftus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health St HelenaSaint Helena, CA · Acute Care Hospital · CCN 050013
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · CCN 050367
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · CCN 050009
Practice locations
Addresses where John P. Loftus is enrolled with Medicare (CMS data updated 2026-10-02).
- 1020 Nut Tree Rd, Suite 260 270 and 290Vacaville, CA 95687 (707) 624‑8290
- 1100 Trancas St, Suite 210Napa, CA 94558 (714) 449‑4800
- 2458 Hilborn RdFairfield, CA 94534 (707) 646‑4400
Group practices
Medicare enrollment lists John P. Loftus as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- NorthBay Health Medical Foundation213 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Vacaville
Clinicians with the same Medicare primary specialty in Vacaville, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mayo Medical School |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922074319 |
| 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