Quick answers
- Which hospitals does Lloyd S. Pena work at?
- Medicare's official clinician data lists Lloyd S. Pena at 3 hospitals: Mad River Community Hospital, Mercy Medical Center Redding and Shasta Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lloyd S. Pena see patients?
- Medicare's clinician data lists 3 practice locations, including Redding, CA, Arcata, CA and Stockton, CA. Call before your visit to confirm the address.
- What is Lloyd S. Pena's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Lloyd S. Pena accept Medicare assignment?
- Yes. Medicare's clinician data says Lloyd S. Pena 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 Lloyd S. Pena?
- (530) 244-5400, as listed in official Medicare / NPI Registry data.
- What is Lloyd S. Pena's NPI number?
- 1699863381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lloyd S. Pena works
Medicare's Facility Affiliation Data lists Lloyd S. Pena at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mad River Community HospitalArcata, CA · Acute Care Hospital · CCN 050028
- Mercy Medical Center ReddingRedding, CA · Acute Care Hospital · CCN 050280
- Shasta Regional Medical CenterRedding, CA · Acute Care Hospital · CCN 050764
Practice locations
Addresses where Lloyd S. Pena is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Butte StRedding, CA 96001 (530) 244‑5400
- 3800 Janes RdArcata, CA 95521
- 525 W Acacia StStockton, CA 95203 (530) 244‑5400
Group practices
Medicare enrollment lists Lloyd S. Pena as a member of these groups (CMS data updated 2026-10-02).
- Trinity Emergency Physicians47 clinicians in the group
- Cardinal Emergency Providers Professional Corporation32 clinicians in the group
- North Pacific Cardiology Medical22 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Redding
Clinicians with the same Medicare primary specialty in Redding, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699863381 |
| 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