Quick answers
- Where does Shannon Callaghan see patients?
- Medicare's clinician data lists 2 practice locations, including Garden Grove, CA and Irvine, CA. Call before your visit to confirm the address.
- What is Shannon Callaghan's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Shannon Callaghan accept Medicare assignment?
- Medicare's clinician data says Shannon Callaghan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Shannon Callaghan's NPI number?
- 1083397152. 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 Shannon Callaghan is enrolled with Medicare (CMS data updated 2026-10-02).
- 13152 Hope StGarden Grove, CA 92843
- 1920 Main St, Suite 350Irvine, CA 92614
Specialties
- Mental Health Counselorprimary
Find other clinicians: Mental Health Counselor, California →
Other mental health counselors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1083397152 |
| 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