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PROVIDER PROFILE · NPI 1447211818

Lynn Van UmmersenMD

PRACTICEADVANCED HEMATOLOGY AND ONCOLOGY CENTERSSee all providers at this practice →
Hematology-OncologyOrange City, FLI
CROSS-REFERENCE

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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
84
By payment type
Food and Beverage$2K
Education$75
PRESCRIBING · PART D · 2024
Total Rx claims
590
Beneficiaries
—
Total drug cost
$835K
Distinct drugs
21
Brand share
35.4%
Top prescribed drugs
Anastrozole77 claims
Apixaban66 claims
Zolpidem Tartrate41 claims
Hydroxyurea40 claims
Hydrocodone/Acetaminophen37 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,305
Unique beneficiaries
—
Total services
32,534
Distinct HCPCS
25
Medicare payment
$189K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 737 Hematology-Oncology providers in FL — above median (cohort median 1,932).
REFERRAL NETWORK

Where Lynn Van Ummersen'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). 19 inbound referrers · 36 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Victor Melgen
Medical Oncology · Orange City, FL
981,120
CENTRAL FLORIDA REGIONAL HOSPITAL, INC59149
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
3293
Jason Shou
Diagnostic Radiology · Alexandria, VA
2854
County Of Volusia
Ambulance Service Provider · Holly Hill, FL
2749
Florida Clinical Laboratory, Inc
Clinical Laboratory · Melbourne, FL
2066
ADVENTIST HEALTH SYSTEM-SUNBELT, INC2069
Kristal Carthan
Internal Medicine · Orange City, FL
1520
Henry Nguyen
Diagnostic Radiology · Pontiac, MI
1524
Rushi Patel
Diagnostic Radiology · Woodbridge, VA
1421
Tejal Patel
Diagnostic Radiology · Kissinmee, FL
1431
Karuna Ahuja
Pulmonary Disease · Orange City, FL
13102
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Victor Melgen
Medical Oncology · Orange City, FL
105996
NPI 194243692893477
SOUTHWEST VOLUSIA HEALTHCARE CORPORATION80369
Shemin Gupta
Medical Oncology · Lake Mary, FL
63406
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
43104
Ernesto Bustinza Linares
Hematology-Oncology · Deland, FL
32159
CENTRAL FLORIDA REGIONAL HOSPITAL, INC3286
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
2370
Edward Scanlon
Pulmonary Disease · Orange City, FL
1962
Radhika Verma
Pulmonary Disease · Orange City, FL
1879
ADVENTIST HEALTH SYSTEM-SUNBELT, INC1853
Paul Smith
Pulmonary Disease · Orange City, FL
1870
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.