Dr. Catherine Callahan, MD
Internal Medicine
20+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Dr. Catherine Callahan
Catherine Callahan, MD is a healthcare provider practicing in Charlotte, NC.
Specialty Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
20
Years Experience
1
Location
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Medical College Of Georgia School Of Medicine
Class of 2006
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| South Carolina | 92028 | Internal Medicine | — |
| North Carolina | 200101316 | Internal Medicine |
Public Data Summary for Dr. Catherine Callahan
With 20 years of practice, Dr. Catherine Callahan is an established internal medicine provider, MD, after earning their medical degree at Medical College Of Georgia School Of Medicine in 2006. Dr. currently practices at Minuteclinic Diagnostic Of North Carolina Pc in Charlotte, North Carolina. Their National Provider Identifier (NPI) is 1407870926, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Catherine Callahan as a lower-volume internal medicine provider, treating approximately 421 Medicare beneficiaries and delivering 4K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Catherine Callahan received $577 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$577
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Catherine Callahan
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 28210
FAQ
Frequently asked questions about Dr. Catherine Callahan
What does Dr. Catherine Callahan specialize in?
Dr. Catherine Callahan specializes in Internal Medicine. Secondary taxonomy filings also list Internal Medicine.
Where does Dr. Catherine Callahan practice?
Dr. Catherine Callahan practices at Minuteclinic Diagnostic Of North Carolina Pc in Charlotte, North Carolina.
Does Dr. Catherine Callahan accept Medicare?
CMS records show that Dr. Catherine Callahan accepts Medicare assignment. CMS billing data shows 421 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Catherine Callahan's NPI number?
Dr. Catherine Callahan's National Provider Identifier (NPI) is 1407870926. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Catherine Callahan been practicing?
Dr. Catherine Callahan has approximately 20 years of practice experience, having graduated from Medical College Of Georgia School Of Medicine in 2006.