PROVIDER PROFILE · NPI 1811935711

Colleen VanderkolkDO

NeurologyNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

554

Unique beneficiaries

—

Total services

9,549

Distinct HCPCS

Medicare payment

$89K

Peer benchmark

Total Medicare services vs. 344 Neurology providers in TN — top quintile (cohort median 449).

PRESCRIBING · PART D · 2024

Total Rx claims

1,642

Beneficiaries

—

Total drug cost

$574K

Distinct drugs

Brand share

25.9%

Top prescribed drugs

Levetiracetam304 claims

Lamotrigine232 claims

Lacosamide94 claims

Oxcarbazepine74 claims

Divalproex Sodium57 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$381

Payment records

By payment type

Food and Beverage$381

REFERRAL NETWORK

Where Colleen Vanderkolk'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
James Fleming Neurology · Chattanooga, TN	81	129
Viraj Parikh Diagnostic Radiology · Goodlettsville, TN	45	80
Jeffrey Williams Diagnostic Radiology · Goodlettsville, TN	41	71
Eugene Lafranchise Neurology · Nashville, TN	37	54
Jonathan Gordon Diagnostic Radiology · Goodlettsville, TN	31	45
TOMICHEK, RICHARD	30	54
Tanja Foster Diagnostic Radiology · Hurst, TX	21	41
Franklin Grauzer Nurse Practitioner · Nashville, TN	17	28
Kenneth Petroni Anesthesiology · Nashville, TN	17	25
Steven Blount Diagnostic Radiology · Goodlettsville, TN	17	25
SOBLE, MARC	15	24
Nancy Delboy Anesthesiology · Nashville, TN	15	19

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