Quick answers
- Which hospitals does Prem Pillay work at?
- Medicare's official clinician data lists Prem Pillay at 5 hospitals: Chandler Regional Medical Center, Cheshire Medical Center, Mercy Gilbert Medical Center, Providence St Joseph Medical Center and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Prem Pillay see patients?
- Medicare's clinician data lists 4 practice locations, including Chandler, AZ, Casa Grade, AZ and Missoula, MT. Call before your visit to confirm the address.
- What is Prem Pillay's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Prem Pillay accept Medicare assignment?
- Yes. Medicare's clinician data says Prem Pillay 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 Prem Pillay?
- (480) 917-5900, as listed in official Medicare / NPI Registry data.
- What is Prem Pillay's NPI number?
- 1669438552. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Prem Pillay works
Medicare's Facility Affiliation Data lists Prem Pillay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chandler Regional Medical CenterChandler, AZ · Acute Care Hospital · CCN 030036
- Cheshire Medical CenterKeene, NH · Acute Care Hospital · CCN 300019
- Mercy Gilbert Medical CenterGilbert, AZ · Acute Care Hospital · CCN 030119
- Providence St Joseph Medical CenterPolson, MT · Critical Access Hospital · CCN 271343
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · CCN 270014
Practice locations
Addresses where Prem Pillay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1445 W Chandler Blvd, Suite B10Chandler, AZ 85224 (480) 917‑5900
- 1968 N Peart Rd Bldg B, Suite 4Casa Grade, AZ 85222 (520) 836‑6661
- 500 W Broadway St, Suite 320Missoula, MT 59802 (406) 329‑5615
- 580 Court StKeene, NH 03431 (603) 354‑5454
Group practices
Medicare enrollment lists Prem Pillay as a member of these groups (CMS data updated 2026-10-02).
- Dartmouth-Hitchcock Clinic1,472 clinicians in the group
- Providence Health and Services Mt362 clinicians in the group
- Cheshire Medical Center61 clinicians in the group
- Cedars Heart Clinic, LLC8 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Arizona →
Other cardiologists in Chandler
Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669438552 |
| 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