Quick answers
- Which hospitals does Jay D. Parkin work at?
- Medicare's official clinician data lists Jay D. Parkin at 5 hospitals: Adventist Health Clearlake, Adventist Health Howard Memorial, 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 Jay D. Parkin see patients?
- Medicare's clinician data lists 4 practice locations, including Fairfield, CA, Napa, CA and Saint Helena, CA. Call before your visit to confirm the address.
- What is Jay D. Parkin's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Jay D. Parkin accept Medicare assignment?
- Yes. Medicare's clinician data says Jay D. Parkin 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 Jay D. Parkin offer telehealth?
- Medicare's clinician data says Jay D. Parkin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jay D. Parkin?
- (707) 429-3600, as listed in official Medicare / NPI Registry data.
- What is Jay D. Parkin's NPI number?
- 1780679340. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jay D. Parkin works
Medicare's Facility Affiliation Data lists Jay D. Parkin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · CCN 051317
- Adventist Health Howard MemorialWillits, CA · Critical Access Hospital · CCN 051310
- 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 Jay D. Parkin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 B Gale Wilson BlvdFairfield, CA 94533 (707) 429‑3600
- 2500 Hilborn RdFairfield, CA 94534 (707) 646‑3445
- 3273 Claremont Way, Suite 100Napa, CA 94558 (707) 254‑7117
- 6 Woodland Rd, Suite 202Saint Helena, CA 94574 (707) 968‑0670
Group practices
Medicare enrollment lists Jay D. Parkin as a member of these groups (CMS data updated 2026-10-02).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- NorthBay Health Medical Foundation213 clinicians in the group
- St. Helena Hospital84 clinicians in the group
- Napa Valley Orthopaedic Medical Group Inc17 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780679340 |
| 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