Quick answers
- Which hospitals does Chadd D. Harkey work at?
- Medicare's official clinician data lists Chadd D. Harkey at 1 hospital: Anderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chadd D. Harkey see patients?
- Medicare's clinician data lists 2 practice locations, including Alton, IL and Collinsville, IL. Call before your visit to confirm the address.
- What is Chadd D. Harkey's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Chadd D. Harkey accept Medicare assignment?
- Yes. Medicare's clinician data says Chadd D. Harkey 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 Chadd D. Harkey?
- (618) 463-7311, as listed in official Medicare / NPI Registry data.
- What is Chadd D. Harkey's NPI number?
- 1477383032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chadd D. Harkey works
Medicare's Facility Affiliation Data lists Chadd D. Harkey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Anderson HospitalMaryville, IL · Acute Care Hospital · CCN 140289
Practice locations
Addresses where Chadd D. Harkey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Memorial DrAlton, IL 62002 (618) 463‑7311
- 1103 Belt Line RdCollinsville, IL 62234 (618) 344‑2273
Group practices
Medicare enrollment lists Chadd D. Harkey as a member of these groups (CMS data updated 2026-10-02).
- Anderson Medical Group LLC136 clinicians in the group
- Southeastern Emergency Physicians of Memphis LLC94 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477383032 |
| 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