Quick answers
- Which hospitals does Catherine B. Callahan work at?
- Medicare's official clinician data lists Catherine B. Callahan at 2 hospitals: Carolinas Medical Center/Behavioral Health and Piedmont Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine B. Callahan see patients?
- Medicare's clinician data lists 4 practice locations, including Charlotte, NC and Gastonia, NC. Call before your visit to confirm the address.
- What is Catherine B. Callahan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Catherine B. Callahan accept Medicare assignment?
- Medicare's clinician data says Catherine B. Callahan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Catherine B. Callahan offer telehealth?
- Medicare's clinician data says Catherine B. Callahan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Catherine B. Callahan?
- (704) 495-6334, as listed in official Medicare / NPI Registry data.
- What is Catherine B. Callahan's NPI number?
- 1407870926. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catherine B. Callahan works
Medicare's Facility Affiliation Data lists Catherine B. Callahan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carolinas Medical Center/Behavioral HealthCharlotte, NC · Acute Care Hospital · CCN 340113
- Piedmont Medical CenterRock Hill, SC · Acute Care Hospital · CCN 420002
Practice locations
Addresses where Catherine B. Callahan is enrolled with Medicare (CMS data updated 2026-10-02).
- 16817 Marvin RdCharlotte, NC 28277 (704) 495‑6334
- 201 S College St, Fl 12Charlotte, NC 28244 (704) 495‑6334
- 2675 Court DrGastonia, NC 28054 (704) 824‑7800
- 7745 Little AveCharlotte, NC 28226 (704) 541‑9333
Group practices
Medicare enrollment lists Catherine B. Callahan as a member of these groups (CMS data updated 2026-10-02).
- Comprehab, Inc415 clinicians in the group
- The Weston Group Inc207 clinicians in the group
- Tryon Medical Partners, PLLC141 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Charlotte
Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407870926 |
| 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