Quick answers
- Which hospitals does Kathlyn Diefenderfer work at?
- Medicare's official clinician data lists Kathlyn Diefenderfer at 1 hospital: Troy Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kathlyn Diefenderfer see patients?
- Medicare's clinician data lists 2 practice locations, including Troy, AL. Call before your visit to confirm the address.
- What is Kathlyn Diefenderfer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Kathlyn Diefenderfer accept Medicare assignment?
- Yes. Medicare's clinician data says Kathlyn Diefenderfer 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 Kathlyn Diefenderfer?
- (334) 670-5430, as listed in official Medicare / NPI Registry data.
- What is Kathlyn Diefenderfer's NPI number?
- 1780606426. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kathlyn Diefenderfer works
Medicare's Facility Affiliation Data lists Kathlyn Diefenderfer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Troy Regional Medical CenterTroy, AL · Acute Care Hospital · CCN 010126
Practice locations
Addresses where Kathlyn Diefenderfer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1320 Hwy 231 STroy, AL 36081 (334) 670‑5430
- 1330 Hwy 231 STroy, AL 36081
Group practices
Medicare enrollment lists Kathlyn Diefenderfer as a member of this group (CMS data updated 2026-10-02).
- Troy Regional Physicians Inc16 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Troy
Clinicians with the same Medicare primary specialty in Troy, AL — not a recommendation.
Clinician information
| Medical school | University Of South Alabama College Of Medicine |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780606426 |
| 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