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PROVIDER PROFILE · NPI 1437474152

Duncan ChapmanMD

Family PracticePortage, MII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
417
Unique beneficiaries
—
Total services
921
Distinct HCPCS
8
Medicare payment
$61K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,054 Family Practice providers in MI — top quintile (cohort median 403).
PRESCRIBING · PART D · 2024
Total Rx claims
10,670
Beneficiaries
—
Total drug cost
$1.1M
Distinct drugs
143
Brand share
18.9%
Top prescribed drugs
Atorvastatin Calcium1,003 claims
Lisinopril521 claims
Amlodipine Besylate489 claims
Levothyroxine Sodium371 claims
Omeprazole359 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$812
Payment records
33
By payment type
Food and Beverage$812
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Duncan Chapman'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). 14 inbound referrers · 31 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ASCENSION MEDICAL GROUP PROMED2841,140
REVERENCE HOME HEALTH & HOSPICE, LLC24134
Stephen Brown
Diagnostic Radiology · Kalamazoo, MI
2457
Mary Kaiser
Nurse Practitioner · Kalamazoo, MI
231,440
Michael Todd
Diagnostic Radiology · Ann Arbor, MI
2361
Nora Dajani
Diagnostic Radiology · York, PA
2045
MAKOWSKI, DAVID19103
Patrick Albus
Diagnostic Radiology · Ann Arbor, MI
1972
COLOMA EMERGENCY AMBULANCE, INC.1565
HOPKINS, JOHN1532
Daniel Bozarth
Diagnostic Radiology · Spartanburg, SC
1440
Theodore Liao
Family Practice · Grand Rapids, MI
1247
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ASCENSION BORGESS HOSPITAL4546,935
REGENTS OF THE UNIVERSITY OF MICHIGAN3011,333
ASCENSION MEDICAL GROUP PROMED2881,197
BRONSON METHODIST HOSPITAL63295
BRONSON LAKEVIEW HOSPITAL25170
Marcio Curvelo
Diagnostic Radiology · Kalamazoo, MI
2483
MAKOWSKI, DAVID22103
Michael Todd
Diagnostic Radiology · Ann Arbor, MI
2265
Mary Kaiser
Nurse Practitioner · Kalamazoo, MI
211,474
James Mclaren
Vascular Surgery · Kalamazoo, MI
21561
Yon Graham
Family Practice · Portage, MI
2187
Tammam Nehme
Diagnostic Radiology · Tinley Park, IL
2060
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.