Quick answers
- Does Carrie L. Siow accept Medicare assignment?
- Yes. Medicare's clinician data says Carrie L. Siow accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Carrie L. Siow's NPI number?
- 1275094013. 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 Carrie L. Siow is enrolled with Medicare (CMS data updated October 2, 2026).
- 222 W Madison AveEl Cajon, CA 92020 (619) 579‑5115
- 655 Euclid Ave, Suite 304National City, CA 91950 (619) 267‑8303
Group practices
Medicare enrollment lists Carrie L. Siow as a member of this group (CMS data updated October 2, 2026).
- William F Resh MD Skin and Skin Cancer Medical Group of San Diego Inc19 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in El Cajon
Clinicians with the same Medicare primary specialty in El Cajon, CA — not a recommendation.
Other clinicians in William F Resh MD Skin and Skin Cancer Medical Group of San Diego Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275094013 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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