Quick answers
- Where does Maya Firsowicz see patients?
- Medicare's clinician data lists 2 practice locations, including San Diego, CA and La Mesa, CA. Call before your visit to confirm the address.
- What is Maya Firsowicz's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Maya Firsowicz accept Medicare assignment?
- Yes. Medicare's clinician data says Maya Firsowicz 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 Maya Firsowicz?
- (858) 943-2540, as listed in official Medicare / NPI Registry data.
- What is Maya Firsowicz's NPI number?
- 1194353631. 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 Maya Firsowicz is enrolled with Medicare (CMS data updated 2026-10-02).
- 5550 Carmel Mountain Rd, Suite 206San Diego, CA 92130 (858) 943‑2540
- 8860 Ctr Dr, Suite 300La Mesa, CA 91942
Group practices
Medicare enrollment lists Maya Firsowicz as a member of this group (CMS data updated 2026-10-02).
- Grossmont Dermatology Medical Clinic10 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194353631 |
| 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