John Gresham, M.D.
Interventional Cardiology · San Antonio, TX
John Gresham, M.D. is a interventional cardiology in San Antonio, TX with about 27 yrs in practice.
- SpecialtyInterventional Cardiology
- Medical schoolEASTERN VIRGINIA MEDICAL SCHOOL (1999)
- TelehealthNot reported
- Practice size65 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~1,420 patients across 4,824 services, avg age 77
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 | 1,369 | $122 | See prices → |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 736 | $13 | See prices → |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 713 | $8 | See prices → |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 544 | $155 | See prices → |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 84 | $68 | See prices → |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 80 | $403 | See prices → |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 74 | $158 | See prices → |
| Ultrasound study of arm or leg veins with compression and maneuvers | 45 | $160 | See prices → |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 33 | $267 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 30 | $87 | See prices → |
| Ultrasound of both sides of head and neck blood flow | 26 | $176 | 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.