Quick answers
- Which hospitals does Matthew K. Riddle work at?
- Medicare's official clinician data lists Matthew K. Riddle at 1 hospital: Scripps Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew K. Riddle see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is Matthew K. Riddle's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Matthew K. Riddle accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew K. Riddle 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 Matthew K. Riddle?
- (619) 686-3800, as listed in official Medicare / NPI Registry data.
- What is Matthew K. Riddle's NPI number?
- 1174865349. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew K. Riddle works
Medicare's Facility Affiliation Data lists Matthew K. Riddle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · CCN 050077
Practice locations
Addresses where Matthew K. Riddle is enrolled with Medicare (CMS data updated 2026-10-02).
- 4077 5th AveSan Diego, CA 92103 (619) 686‑3800
Group practices
Medicare enrollment lists Matthew K. Riddle as a member of this group (CMS data updated 2026-10-02).
- Pacific Emergency Providers a Prof Corp24 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174865349 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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