Quick answers
- Where does James Deen see patients?
- Medicare's clinician data lists 2 practice locations, including Grass Valley, CA and Carmichael, CA. Call before your visit to confirm the address.
- What is James Deen's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does James Deen accept Medicare assignment?
- Yes. Medicare's clinician data says James Deen 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 Deen?
- (530) 477-8358, as listed in official Medicare / NPI Registry data.
- What is James Deen's NPI number?
- 1881213064. 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 Deen is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 Catherine Ln, Suite DGrass Valley, CA 95945 (530) 477‑8358
- 6555 Coyle Ave, Suite 280Carmichael, CA 95608 (916) 536‑3560
Group practices
Medicare enrollment lists James Deen as a member of this group (CMS data updated 2026-10-02).
- Dignity Health Medical Foundation1,184 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Grass Valley
Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881213064 |
| 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