PROVIDER PROFILE · NPI 1194988204

David VonkMD

Radiation OncologyTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,265

Unique beneficiaries

—

Total services

5,738

Distinct HCPCS

Medicare payment

$584K

Peer benchmark

Total Medicare services vs. 113 Radiation Oncology providers in AZ — top quintile (cohort median 2,850).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$327

Distinct drugs

Brand share

20.4%

Top prescribed drugs

Tamsulosin Hcl29 claims

Lorazepam14 claims

Lidocaine Hcl11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$16

REFERRAL NETWORK

Where David Vonk'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). 9 inbound referrers · 19 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Andrew Neuschatz Radiation Oncology · Tucson, AZ	22	35
TUCSON MEDICAL CENTER	16	146
Bradley Bohnert Diagnostic Radiology · Tucson, AZ	15	145
CARONDELET HEALTH NETWORK	13	103
TAETLE, RAYMOND	13	784
Eric Sipos Neurosurgery · Tucson, AZ	12	82
GYORKE, ANDREW	12	131
BOXER, MICHAEL	12	283
Lawrence Kaskowitz Diagnostic Radiology · Tucson, AZ	11	66

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ	59	3,826
CARONDELET HEALTH NETWORK	28	234
David Frye Radiation Oncology · Tucson, AZ	26	176
Andrew Neuschatz Radiation Oncology · Tucson, AZ	23	109
Bruce Porterfield Medical Oncology · Panama City, FL	23	1,639
Robert Gin Radiation Oncology · Tucson, AZ	20	99
Rlc Llc Independent Diagnostic Testing Facility (IDTF) · Tucson, AZ	18	199
BASDEN, DOLORES	18	39
Laboratory Corporation Of America Clinical Laboratory · Phoenix, AZ	15	349
TAETLE, RAYMOND	14	796
BOXER, MICHAEL	14	302
Curtis Mack Radiation Oncology · Tucson, AZ	14	33

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