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 1346228954

David CharmanM.D.

Internal MedicineBuffalo Grove, ILI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where David Charman'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). 15 inbound referrers · 36 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Kenneth Spero
Diagnostic Radiology · Arlington Heights, IL
3182
David Dubois
Diagnostic Radiology · Saint Louis, MO
2242
Stephen Zivin
Diagnostic Radiology · Madison, CT
2036
Mark Charman
Internal Medicine · Buffalo Grove, IL
2066
Evan Oblonsky
Diagnostic Radiology · Arlington Heights, IL
1838
David Guthman
Urology · Arlington Heights, IL
1863
Marc Roy
Diagnostic Radiology · Arlington Heights, IL
1853
Dipal Shah
Endocrinology · Arlington Heights, IL
1867
Andreas Seidler
Internal Medicine · Mt Prospect, IL
1784
Carl Kalbhen
Diagnostic Radiology · Arlington Heights, IL
1629
Gilbert Sita
Interventional Cardiology · Arlington Heights, IL
1575
Paul Ruzumna
Cardiology · Arlington Heights, IL
1229
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHWEST COMMUNITY HOSPITAL4222,095
Quest Diagnostics Llc Il
Clinical Laboratory · Wood Dale, IL
40126
Anthony Malone
Diagnostic Radiology · Arlington Heights, IL
3592
Carl Lang
Internal Medicine · Buffalo Grove, IL
2960
Kenneth Spero
Diagnostic Radiology · Arlington Heights, IL
2349
Lindsey Rabushka
Diagnostic Radiology · Arlington Heights, IL
2253
Scott Preusen
Diagnostic Radiology · Springfield, IL
2168
David Guthman
Urology · Arlington Heights, IL
21156
Clifford Wolf
Diagnostic Radiology · Arlington Heights, IL
2167
Allan Malmed
Diagnostic Radiology · Arlington Heights, IL
2034
MELLIERE, BRAD1850
Brian Albert
Internal Medicine · Mt Prospect, IL
1854
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
575
Unique beneficiaries
—
Total services
745
Distinct HCPCS
10
Medicare payment
$60K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,790 Internal Medicine providers in IL — above median (cohort median 760).
PRESCRIBING · PART D · 2024
Total Rx claims
2,306
Beneficiaries
—
Total drug cost
$175K
Distinct drugs
62
Brand share
17.0%
Top prescribed drugs
Rosuvastatin Calcium193 claims
Losartan Potassium144 claims
Levothyroxine Sodium141 claims
Atorvastatin Calcium141 claims
Amlodipine Besylate129 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
56
By payment type
Food and Beverage$1K
QUALITY · MIPS · 2024
Final MIPS score
84.9
Quality
75.9
Cost
74.6
Improvement activities
40.0
Promoting interop.
99.0
Payment adjustment
0.42%
Group