Quick answers
- Where does Regine J. Mathieu see patients?
- Medicare's clinician data lists 1 practice location in Fresno, CA. Call before your visit to confirm the address.
- What is Regine J. Mathieu's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Regine J. Mathieu accept Medicare assignment?
- Yes. Medicare's clinician data says Regine J. Mathieu 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 Regine J. Mathieu?
- (559) 435-7546, as listed in official Medicare / NPI Registry data.
- What is Regine J. Mathieu's NPI number?
- 1285130401. 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 Regine J. Mathieu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1125 E Spruce Ave, Suite 207Fresno, CA 93720 (559) 435‑7546
Group practices
Medicare enrollment lists Regine J. Mathieu as a member of these groups (CMS data updated 2026-10-02).
- CPP 435SKIN PC6 clinicians in the group
- Kathleen L Behr M D Inc6 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285130401 |
| 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