Quick answers
- Which hospitals does Mark S. Kirk work at?
- Medicare's official clinician data lists Mark S. Kirk at 5 hospitals: Centrastate Medical Center, Clearwater Valley Hospital & Clinics, St Joseph Regional Medical Center, Tri-State Memorial Hospital and Western Arizona Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Kirk see patients?
- Medicare's clinician data lists 4 practice locations, including Mesa, AZ, Bullhead City, AZ and Nampa, ID. Call before your visit to confirm the address.
- What is Mark S. Kirk's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark S. Kirk accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Kirk 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 Mark S. Kirk?
- (480) 358-6300, as listed in official Medicare / NPI Registry data.
- What is Mark S. Kirk's NPI number?
- 1477180107. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark S. Kirk works
Medicare's Facility Affiliation Data lists Mark S. Kirk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Centrastate Medical CenterFreehold, NJ · Acute Care Hospital · CCN 310111
- Clearwater Valley Hospital & ClinicsOrofino, ID · Critical Access Hospital · CCN 131320
- St Joseph Regional Medical CenterLewiston, ID · Acute Care Hospital · CCN 130003
- Tri-State Memorial HospitalClarkston, WA · Critical Access Hospital · CCN 501332
- Western Arizona Regional Medical CenterBullhead City, AZ · Acute Care Hospital · CCN 030101
Practice locations
Addresses where Mark S. Kirk is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 S Crimson RdMesa, AZ 85209 (480) 358‑6300
- 2735 Silver Creek RdBullhead City, AZ 86442 (928) 763‑2273
- 4300 E Flamingo AveNampa, ID 83687 (208) 205‑1000
- 901 W Main StFreehold, NJ 07728 (973) 831‑5000
Group practices
Medicare enrollment lists Mark S. Kirk as a member of these groups (CMS data updated 2026-10-02).
- NJ Acute Care Specialists Professional Corporation55 clinicians in the group
- Sound Physicians of Idaho48 clinicians in the group
- Comprehensive Hospitalist Services of Arizona LLC24 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477180107 |
| 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