Quick answers
- Where does Gregory D. Shannon see patients?
- Medicare's clinician data lists 2 practice locations, including Rancho Mirage, CA. Call before your visit to confirm the address.
- What is Gregory D. Shannon's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gregory D. Shannon accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory D. Shannon 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 Gregory D. Shannon?
- (760) 340-0053, as listed in official Medicare / NPI Registry data.
- What is Gregory D. Shannon's NPI number?
- 1225049984. 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 Gregory D. Shannon is enrolled with Medicare (CMS data updated 2026-10-02).
- 39950 Vista Del SolRancho Mirage, CA 92270 (760) 340‑0053
- 72780 Country Club DrRancho Mirage, CA 92270
Group practices
Medicare enrollment lists Gregory D. Shannon as a member of this group (CMS data updated 2026-10-02).
- Eisenhower Medical Center456 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rancho Mirage
Clinicians with the same Medicare primary specialty in Rancho Mirage, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225049984 |
| 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