Catherine Callahan, MD
Internal Medicine · Charlotte, NC
Catherine Callahan, MD is a internal medicine in Charlotte, NC with about 20 yrs in practice.
- SpecialtyInternal Medicine
- Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE (2006)
- TelehealthOffers telehealth visits
- Practice size137 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~426 patients across 3,844 services, avg age 76
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 565 | $125 | See prices → |
| Blood test, comprehensive group of blood chemicals | 393 | $10 | See prices → |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 347 | $8 | See prices → |
| Blood test, thyroid stimulating hormone (tsh) | 338 | $16 | See prices → |
| Blood test, lipids (cholesterol and triglycerides) | 301 | $13 | See prices → |
| Hemoglobin a1c level | 216 | $10 | See prices → |
| Vitamin d-3 level | 175 | $29 | See prices → |
| Thyroxine (thyroid chemical), free | 139 | $9 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 111 | $88 | See prices → |
| Ferritin (blood protein) level | 63 | $13 | See prices → |
| Manual urinalysis test with examination using microscope, automated | 55 | $3 | See prices → |
| Iron level | 44 | $6 | See prices → |
Hospital affiliations
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.