What is Timothy Alder's specialty?

Timothy Alder (NPI 1922207059) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Knoxville, TN.

Where does Timothy Alder practice?

Timothy Alder practices in Knoxville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1922207059.

How much does Medicare pay Timothy Alder?

Timothy Alder (NPI 1922207059) received approximately $182K in total Medicare Part B payments, serving 4,484 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922207059

Timothy AlderMD

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

Diagnostic RadiologyKnoxville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,884

Unique beneficiaries

—

Total services

6,175

Distinct HCPCS

Medicare payment

$175K

Peer benchmark

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

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Timothy Alder'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). 180 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PARKWEST MEDICAL CENTER	659	967
Rural/Metro Of Tennessee, L.P. Ambulance Service Provider · Knoxville, TN	436	1,120
Steven Addonizio Diagnostic Radiology · Knoxville, TN	263	403
Scott Wegryn Diagnostic Radiology · Knoxville, TN	231	460
Rachel Barker Diagnostic Radiology · Knoxville, TN	207	288
SEVIER COUNTY AMBULANCE SERVICE	151	285
Daryl Harp Diagnostic Radiology · Knoxville, TN	146	224
Joshua Todd Cardiology · Knoxville, TN	145	241
John Texada Diagnostic Radiology · Knoxville, TN	129	197
Jason Deen Diagnostic Radiology · Knoxville, TN	124	175
Noi Nuyen Internal Medicine · Knoxville, TN	119	176
METRO KNOXVILLE HMA LLC	113	173

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events