Quick answers
- Which hospitals does John J. Giardina work at?
- Medicare's official clinician data lists John J. Giardina at 1 hospital: Yavapai Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Giardina see patients?
- Medicare's clinician data lists 2 practice locations, including Prescott, AZ and Prescott Valley, AZ. Call before your visit to confirm the address.
- What is John J. Giardina's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does John J. Giardina accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Giardina 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 John J. Giardina offer telehealth?
- Medicare's clinician data says John J. Giardina offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John J. Giardina?
- (928) 445-6025, as listed in official Medicare / NPI Registry data.
- What is John J. Giardina's NPI number?
- 1821063645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John J. Giardina works
Medicare's Facility Affiliation Data lists John J. Giardina at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Yavapai Regional Medical CenterPrescott, AZ · Acute Care Hospital · CCN 030012
Practice locations
Addresses where John J. Giardina is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Willow Creek Rd, Suite 2200Prescott, AZ 86301 (928) 445‑6025
- 7700 E Florentine Rd, Suite 206Prescott Valley, AZ 86314 (928) 442‑8117
Group practices
Medicare enrollment lists John J. Giardina as a member of this group (CMS data updated 2026-10-02).
- Yavapai Regional Medical Center Physician Care LLC124 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Arizona →
Other cardiologists in Prescott
Clinicians with the same Medicare primary specialty in Prescott, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821063645 |
| 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