Quick answers
- Where does Casey A. Ryan see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Monica, CA and Pasadena, CA. Call before your visit to confirm the address.
- What is Casey A. Ryan's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Casey A. Ryan accept Medicare assignment?
- Medicare's clinician data says Casey A. Ryan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Casey A. Ryan's NPI number?
- 1265173744. 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 Casey A. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2020 Santa Monica Blvd Fl, Suite 3Santa Monica, CA 90404
- POPasadena, CA 91110
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1265173744 |
| 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