Quick answers
- Which hospitals does Patrick J. Lenehan work at?
- Medicare's official clinician data lists Patrick J. Lenehan at 2 hospitals: California Hospital Medical Center LA and Glendale Mem Hospital & Hlth Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Patrick J. Lenehan see patients?
- Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
- What is Patrick J. Lenehan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Patrick J. Lenehan accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick J. Lenehan 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 Patrick J. Lenehan?
- (213) 742-5555, as listed in official Medicare / NPI Registry data.
- What is Patrick J. Lenehan's NPI number?
- 1023247467. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Patrick J. Lenehan works
Medicare's Facility Affiliation Data lists Patrick J. Lenehan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- California Hospital Medical Center LALos Angeles, CA · Acute Care Hospital · CCN 050149
- Glendale Mem Hospital & Hlth CenterGlendale, CA · Acute Care Hospital · CCN 050058
Practice locations
Addresses where Patrick J. Lenehan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1401 S Grand AveLos Angeles, CA 90015 (213) 742‑5555
Group practices
Medicare enrollment lists Patrick J. Lenehan as a member of this group (CMS data updated 2026-10-02).
- Golden State Emergency Physicians Inc27 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023247467 |
| 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