Quick answers
- Which hospitals does Nancy A. Jameson work at?
- Medicare's official clinician data lists Nancy A. Jameson at 1 hospital: Adventist Health St Helena. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nancy A. Jameson see patients?
- Medicare's clinician data lists 1 practice location in Napa, CA. Call before your visit to confirm the address.
- What is Nancy A. Jameson's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Nancy A. Jameson accept Medicare assignment?
- Yes. Medicare's clinician data says Nancy A. Jameson 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 Nancy A. Jameson?
- (707) 255-6212, as listed in official Medicare / NPI Registry data.
- What is Nancy A. Jameson's NPI number?
- 1992770804. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nancy A. Jameson works
Medicare's Facility Affiliation Data lists Nancy A. Jameson 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
Practice locations
Addresses where Nancy A. Jameson is enrolled with Medicare (CMS data updated 2026-10-02).
- 800 Trancas St, Suite ANapa, CA 94558 (707) 255‑6212
Group practices
Medicare enrollment lists Nancy A. Jameson as a member of this group (CMS data updated 2026-10-02).
- Eye Specialists Medical Group of Napa Valley Inc4 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Napa
Clinicians with the same Medicare primary specialty in Napa, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992770804 |
| 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