Quick answers
- Where does Gemma J. Lopez see patients?
- Medicare's clinician data lists 3 practice locations, including San Tan Valley, AZ and Tucson, AZ. Call before your visit to confirm the address.
- What is Gemma J. Lopez's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gemma J. Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says Gemma J. Lopez 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 Gemma J. Lopez?
- (480) 636-1225, as listed in official Medicare / NPI Registry data.
- What is Gemma J. Lopez's NPI number?
- 1932683919. 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 Gemma J. Lopez is enrolled with Medicare (CMS data updated 2026-10-02).
- 36453 N Gantzel Rd, Suite 101San Tan Valley, AZ 85140 (480) 636‑1225
- 4582 N 1st Ave, Suite 170Tucson, AZ 85718 (520) 318‑6035
- 4881 E Grant RdTucson, AZ 85712 (520) 829‑6776
Group practices
Medicare enrollment lists Gemma J. Lopez as a member of this group (CMS data updated 2026-10-02).
- Pain Institute of Southern Arizona Pisa PC23 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Tan Valley
Clinicians with the same Medicare primary specialty in San Tan Valley, AZ — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932683919 |
| 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