Quick answers
- Which hospitals does John P. Mourani work at?
- Medicare's official clinician data lists John P. Mourani at 3 hospitals: Casa Colina Hospital, Pomona Valley Hospital Medical Center and San Antonio Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Mourani see patients?
- Medicare's clinician data lists 4 practice locations, including Pomona, CA, Ontario, CA and Upland, CA. Call before your visit to confirm the address.
- What is John P. Mourani's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does John P. Mourani accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Mourani 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 John P. Mourani?
- (909) 865-9500, as listed in official Medicare / NPI Registry data.
- What is John P. Mourani's NPI number?
- 1962460154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Mourani works
Medicare's Facility Affiliation Data lists John P. Mourani at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Casa Colina HospitalPomona, CA · Acute Care Hospital · CCN 050782
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · CCN 050231
- San Antonio Regional HospitalUpland, CA · Acute Care Hospital · CCN 050099
Practice locations
Addresses where John P. Mourani is enrolled with Medicare (CMS data updated 2026-10-02).
- 1798 N Garey AvePomona, CA 91767 (909) 865‑9500
- 255 E Bonita AvePomona, CA 91767
- 550 N Monterey AveOntario, CA 91764 (909) 391‑0333
- 999 San Bernardino RdUpland, CA 91786 (909) 985‑2811
Group practices
Medicare enrollment lists John P. Mourani as a member of this group (CMS data updated 2026-10-02).
- Inland Valley Infectious Disease Medical Group Inc6 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Pomona
Clinicians with the same Medicare primary specialty in Pomona, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962460154 |
| 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