Quick answers
- Where does James G. Telfer see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Cruez, CA and Scotts Valley, CA. Call before your visit to confirm the address.
- What is James G. Telfer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James G. Telfer accept Medicare assignment?
- Yes. Medicare's clinician data says James G. Telfer 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 James G. Telfer?
- (831) 423-4111, as listed in official Medicare / NPI Registry data.
- What is James G. Telfer's NPI number?
- 1831142223. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James G. Telfer is enrolled with Medicare (CMS data updated 2026-10-02).
- 2025 Soquel AveSanta Cruez, CA 95062 (831) 423‑4111
- 4663 Scotts Valley DrScotts Valley, CA 95066 (831) 458‑6330
Group practices
Medicare enrollment lists James G. Telfer as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Santa Cruez
Clinicians with the same Medicare primary specialty in Santa Cruez, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831142223 |
| 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
- 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