Quick answers
- Where does Alexis K. Rieber see patients?
- Medicare's clinician data lists 2 practice locations, including Pasadena, CA and Los Angeles, CA. Call before your visit to confirm the address.
- What is Alexis K. Rieber's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Alexis K. Rieber accept Medicare assignment?
- Yes. Medicare's clinician data says Alexis K. Rieber 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 Alexis K. Rieber?
- (424) 314-0199, as listed in official Medicare / NPI Registry data.
- What is Alexis K. Rieber's NPI number?
- 1659623429. 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 Alexis K. Rieber is enrolled with Medicare (CMS data updated 2026-10-02).
- 630 S Raymond Ave, Unit 201Pasadena, CA 91105 (424) 314‑0199
- 8631 W 3rd St, Suite 510Los Angeles, CA 90048 (310) 385‑3380
Group practices
Medicare enrollment lists Alexis K. Rieber as a member of this group (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659623429 |
| 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