John Calhoun, M.D.
Internal Medicine · Charleston, SC
John Calhoun, M.D. is a internal medicine in Charleston, SC with about 14 yrs in practice.
- SpecialtyInternal Medicine
- Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE (2012)
- TelehealthOffers telehealth visits
- Practice size25 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~707 patients across 5,587 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 | 620 | $119 | See prices → |
| Blood test, comprehensive group of blood chemicals | 381 | $10 | See prices → |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 346 | $8 | See prices → |
| Blood test, lipids (cholesterol and triglycerides) | 305 | $13 | See prices → |
| Hemoglobin a1c level | 274 | $10 | See prices → |
| Blood test, thyroid stimulating hormone (tsh) | 268 | $16 | See prices → |
| Manual urinalysis test with examination using microscope, automated | 205 | $3 | See prices → |
| Cyanocobalamin (vitamin b-12) level | 202 | $15 | See prices → |
| Vitamin d-3 level | 201 | $29 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 99 | $84 | See prices → |
| Thyroxine (thyroid chemical), free | 86 | $9 | See prices → |
| Creatinine level to test for kidney function or muscle injury | 57 | $5 | 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.