What is John Williams's specialty?

John Williams (NPI 1659341832) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Knoxville, TN.

Where does John Williams practice?

John Williams practices in Knoxville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1659341832.

How much does Medicare pay John Williams?

John Williams (NPI 1659341832) received approximately $14K in total Medicare Part B payments, serving 394 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659341832

John WilliamsMD

PRACTICEVISTA RADIOLOGY, PC.See all providers at this practice →

Diagnostic RadiologyKnoxville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

439

Unique beneficiaries

—

Total services

442

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 698 Diagnostic Radiology providers in TN — bottom quintile (cohort median 3,582).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

79.3

Quality

75.6

Cost

100.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.18%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Williams's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 92 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PARKWEST MEDICAL CENTER	239	346
Rural/Metro Of Tennessee, L.P. Ambulance Service Provider · Knoxville, TN	92	179
John Texada Diagnostic Radiology · Knoxville, TN	82	128
Scott Wegryn Diagnostic Radiology · Knoxville, TN	70	137
WILLIAMSBURG FAMILY MEDICINE CENTER	64	101
Frederick Mclean Diagnostic Radiology · Knoxville, TN	63	95
Daryl Harp Diagnostic Radiology · Knoxville, TN	57	79
Shoals Ambulance Llc Ambulance Service Provider · Knoxville, TN	54	90
Jason Deen Diagnostic Radiology · Knoxville, TN	54	74
Todd Wilkens Vascular Surgery · Smyrna, TN	52	187
Steven Addonizio Diagnostic Radiology · Knoxville, TN	50	67
Rachel Barker Diagnostic Radiology · Knoxville, TN	50	79

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history