Quick answers
- Where does Joanne E. Willis see patients?
- Medicare's clinician data lists 2 practice locations, including San Diego, CA and Modesto, CA. Call before your visit to confirm the address.
- What is Joanne E. Willis's specialty?
- Medicare lists Marriage and Family Therapist as the primary specialty.
- Does Joanne E. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says Joanne E. Willis 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.
- Does Joanne E. Willis offer telehealth?
- Medicare's clinician data says Joanne E. Willis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joanne E. Willis?
- (858) 554-1212, as listed in official Medicare / NPI Registry data.
- What is Joanne E. Willis's NPI number?
- 1982123543. 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 Joanne E. Willis is enrolled with Medicare (CMS data updated 2026-10-02).
- 3900 5th Ave, Suite 110San Diego, CA 92103 (858) 554‑1212
- 4701 Enterprise WayModesto, CA 95356 (209) 735‑5000
Group practices
Medicare enrollment lists Joanne E. Willis as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- Monica Perlman MD Inc364 clinicians in the group
Specialties
Find other clinicians: Marriage and Family Therapist, California →
Other marriage and family therapists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982123543 |
| 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