caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1710984729

David HemmerM.D.

OtolaryngologySt Charles, ILI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
1,915
Beneficiaries
—
Total drug cost
$31K
Distinct drugs
23
Brand share
9.9%
Top prescribed drugs
Fluticasone Propionate534 claims
Prednisone349 claims
Omeprazole246 claims
Azelastine Hcl241 claims
Neomycin/Polymyxin B/Hydrocort94 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,162
Unique beneficiaries
—
Total services
2,742
Distinct HCPCS
8
Medicare payment
$166K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 317 Otolaryngology providers in IL — top quintile (cohort median 866).
REFERRAL NETWORK

Where David Hemmer'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Joseph Pacer
Audiologist · St Charles, IL
214442
CENTRAL DUPAGE HOSPITAL ASSOCIATION75117
DELNOR COMMUNITY HOSPITAL53148
BREMS, STEPHEN4088
Elio Vento
Internal Medicine · Elgin, IL
2342
Richard Baley
Internal Medicine · Elgin, IL
2398
Dennis Flynn
Internal Medicine · Elgin, IL
2243
Gongyu Yang
Diagnostic Radiology · Elgin, IL
2040
Brian Schwartz
Diagnostic Radiology · Elgin, IL
2024
John Fiedler
Internal Medicine · Elgin, IL
2071
Subba Raju
Diagnostic Radiology · Elgin, IL
1934
Valley Ambulatory Surgery Center, Lp
Ambulatory Surgical Center · St Charles, IL
1829
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.