Quick answers
- Which hospitals does Patrick J. Mulroy work at?
- Medicare's official clinician data lists Patrick J. Mulroy at 3 hospitals: Memorialcare Long Beach Medical Center, UCI Health-Lakewood and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Patrick J. Mulroy see patients?
- Medicare's clinician data lists 4 practice locations, including Orange, CA, Long Beach, CA and Lakewood, CA. Call before your visit to confirm the address.
- What is Patrick J. Mulroy's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Patrick J. Mulroy accept Medicare assignment?
- Medicare's clinician data says Patrick J. Mulroy may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Patrick J. Mulroy?
- (714) 456-7890, as listed in official Medicare / NPI Registry data.
- What is Patrick J. Mulroy's NPI number?
- 1619230810. 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. Mulroy works
Medicare's Facility Affiliation Data lists Patrick J. Mulroy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
- UCI Health-LakewoodLakewood, CA · Acute Care Hospital · CCN 050581
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Patrick J. Mulroy is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7890
- 2801 Atlantic AveLong Beach, CA 90806 (562) 542‑3300
- 3700 S StLakewood, CA 90712 (562) 542‑3300
- 3751 Katella AveLos Alamitos, CA 90720 (562) 542‑3300
Group practices
Medicare enrollment lists Patrick J. Mulroy as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California-Irvine125 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1619230810 |
| 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