Quick answers
- Which hospitals does Atashi Mandal work at?
- Medicare's official clinician data lists Atashi Mandal at 3 hospitals: Northern Inyo Hospital, PIH Health Hospital-Whittier and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Atashi Mandal see patients?
- Medicare's clinician data lists 3 practice locations, including Orange, CA, Whittier, CA and Bishop, CA. Call before your visit to confirm the address.
- What is Atashi Mandal's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine and Pediatric Medicine.
- Does Atashi Mandal accept Medicare assignment?
- Yes. Medicare's clinician data says Atashi Mandal 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 Atashi Mandal?
- (714) 456-7890, as listed in official Medicare / NPI Registry data.
- What is Atashi Mandal's NPI number?
- 1104963214. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Atashi Mandal works
Medicare's Facility Affiliation Data lists Atashi Mandal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Inyo HospitalBishop, CA · Critical Access Hospital · CCN 051324
- PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · CCN 050169
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Atashi Mandal is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7890
- 12522 Lambert Rd, Suite DWhittier, CA 90606 (562) 789‑5420
- 150 Pioneer LnBishop, CA 93514 (760) 873‑5811
Group practices
Medicare enrollment lists Atashi Mandal as a member of these groups (CMS data updated 2026-10-02).
- PIH Health Physicians622 clinicians in the group
- The Regents of the University of California-Irvine125 clinicians in the group
- Northern Inyo Healthcare District108 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
- Pediatric Medicinealso
Other hospitalists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104963214 |
| 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