Quick answers
- Which hospitals does Jeffrey L. Harrell work at?
- Medicare's official clinician data lists Jeffrey L. Harrell at 4 hospitals: Adventist Health Simi Valley, Los Robles Hospital & Medical Center, Ronald Reagan UCLA Medical Center and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey L. Harrell see patients?
- Medicare's clinician data lists 4 practice locations, including Thousand Oaks, CA, Porter Ranch, CA and Santa Monica, CA. Call before your visit to confirm the address.
- What is Jeffrey L. Harrell's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Jeffrey L. Harrell accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey L. Harrell 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.
- Does Jeffrey L. Harrell offer telehealth?
- Medicare's clinician data says Jeffrey L. Harrell offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey L. Harrell?
- (805) 418-3500, as listed in official Medicare / NPI Registry data.
- What is Jeffrey L. Harrell's NPI number?
- 1396058095. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey L. Harrell works
Medicare's Facility Affiliation Data lists Jeffrey L. Harrell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · CCN 050549
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Jeffrey L. Harrell is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
- 19950 Rinaldi StPorter Ranch, CA 91326
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
- 2755 Alamo St, Suite 100Simi Valley, CA 93065 (805) 526‑8252
Group practices
Medicare enrollment lists Jeffrey L. Harrell as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396058095 |
| 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