Quick answers
- Which hospitals does Riffat Meraj work at?
- Medicare's official clinician data lists Riffat Meraj at 5 hospitals: AHMC Anaheim Regional Medical Center, La Palma Intercommunity Hospital, Orange County Global Medical Center, Providence St. Joseph Hospital and Whittier Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Riffat Meraj see patients?
- Medicare's clinician data lists 1 practice location in Santa Ana, CA. Call before your visit to confirm the address.
- What is Riffat Meraj's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Riffat Meraj accept Medicare assignment?
- Yes. Medicare's clinician data says Riffat Meraj 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 Riffat Meraj?
- (714) 836-6800, as listed in official Medicare / NPI Registry data.
- What is Riffat Meraj's NPI number?
- 1396991014. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Riffat Meraj works
Medicare's Facility Affiliation Data lists Riffat Meraj at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050226
- La Palma Intercommunity HospitalLa Palma, CA · Acute Care Hospital · CCN 050580
- Orange County Global Medical CenterSanta Ana, CA · Acute Care Hospital · CCN 050746
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
- Whittier Hospital Medical CenterWhittier, CA · Acute Care Hospital · CCN 050735
Practice locations
Addresses where Riffat Meraj is enrolled with Medicare (CMS data updated 2026-10-02).
- 999 N Tustin Ave, Suite 1Santa Ana, CA 92705 (714) 836‑6800
Group practices
Medicare enrollment lists Riffat Meraj as a member of this group (CMS data updated 2026-10-02).
- Chest and Critical Care Consultants a Medical Group71 clinicians in the group
Specialties
Other pulmonologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396991014 |
| 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