Quick answers
- Which hospitals does Koushik Nag work at?
- Medicare's official clinician data lists Koushik Nag at 3 hospitals: La Paz Regional Hospital, St Josephs Hospital and Medical Center and Summit Healthcare Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Koushik Nag see patients?
- Medicare's clinician data lists 15 practice locations, including Avondale, AZ, Payson, AZ and Goodyear, AZ. Call before your visit to confirm the address.
- What is Koushik Nag's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Koushik Nag accept Medicare assignment?
- Yes. Medicare's clinician data says Koushik Nag 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.
- Does Koushik Nag offer telehealth?
- Medicare's clinician data says Koushik Nag offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Koushik Nag?
- (928) 472-4675, as listed in official Medicare / NPI Registry data.
- What is Koushik Nag's NPI number?
- 1699892059. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Koushik Nag works
Medicare's Facility Affiliation Data lists Koushik Nag at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- La Paz Regional HospitalParker, AZ · Critical Access Hospital · CCN 031317
- St Josephs Hospital and Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030024
- Summit Healthcare Regional Medical CenterShow Low, AZ · Acute Care Hospital · CCN 030062
Practice locations
Addresses where Koushik Nag is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 10815 W McDowell RdAvondale, AZ 85392
- 111 W Cedar Ln, Suite APayson, AZ 85541 (928) 472‑4675
- 13555 W McDowell RdGoodyear, AZ 85395 (623) 512‑4390
- 14415 W McDowell Rd, Suite D102Goodyear, AZ 85395 (623) 512‑4190
- 14670 N Del Webb BlvdSun City, AZ 85351 (602) 633‑3824
Group practices
Medicare enrollment lists Koushik Nag as a member of these groups (CMS data updated 2026-10-02).
- SJHMC Physician Services646 clinicians in the group
- Privia Medical Group Arizona, LLC91 clinicians in the group
- Summit Healthcare Association77 clinicians in the group
- Summit Healthcare Medical Associates75 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Arizona →
Other cardiologists in Avondale
Clinicians with the same Medicare primary specialty in Avondale, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699892059 |
| 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