Quick answers
- Which hospitals does Niraj Karki work at?
- Medicare's official clinician data lists Niraj Karki at 2 hospitals: PIH Health Downey Hospital and PIH Health Hospital-Whittier. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Niraj Karki see patients?
- Medicare's clinician data lists 1 practice location in Downey, CA. Call before your visit to confirm the address.
- What is Niraj Karki's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Niraj Karki accept Medicare assignment?
- Yes. Medicare's clinician data says Niraj Karki 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 Niraj Karki?
- (562) 904-4430, as listed in official Medicare / NPI Registry data.
- What is Niraj Karki's NPI number?
- 1952670309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Niraj Karki works
Medicare's Facility Affiliation Data lists Niraj Karki at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PIH Health Downey HospitalDowney, CA · Acute Care Hospital · CCN 050393
- PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · CCN 050169
Practice locations
Addresses where Niraj Karki is enrolled with Medicare (CMS data updated 2026-10-02).
- 12214 Lakewood Blvd, Suite 110Downey, CA 90242 (562) 904‑4430
Group practices
Medicare enrollment lists Niraj Karki as a member of this group (CMS data updated 2026-10-02).
- PIH Health Physicians622 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Downey
Clinicians with the same Medicare primary specialty in Downey, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952670309 |
| 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