John Williams, MD
Endocrinology · Knoxville, TN
John Williams, MD is a endocrinology in Knoxville, TN.
- SpecialtyEndocrinology
- TelehealthNot reported
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~332 patients across 2,689 services, avg age 74
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Blood test, thyroid stimulating hormone (tsh) | 373 | $16 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 255 | $116 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 188 | $83 | See prices → |
| Hemoglobin a1c level | 143 | $9 | See prices → |
| Blood test, comprehensive group of blood chemicals | 142 | $10 | See prices → |
| Thyroxine (thyroid chemical), free | 129 | $9 | See prices → |
| Blood test, basic group of blood chemicals (calcium, total) | 104 | $8 | See prices → |
| Vitamin d-3 level | 91 | $29 | See prices → |
| Blood test, lipids (cholesterol and triglycerides) | 77 | $13 | See prices → |
| Urine microalbumin (protein) level | 54 | $6 | See prices → |
| Creatinine level to test for kidney function or muscle injury | 54 | $5 | See prices → |
| Dxa bone density measurement of hip, pelvis, spine | 53 | $34 | See prices → |
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.