What is David Duncan's specialty?

David Duncan (NPI 1427041656) is a Medicare-billing provider whose primary specialty is Family Practice in Blacksburg, VA.

Where does David Duncan practice?

David Duncan practices in Blacksburg, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1427041656.

How much does Medicare pay David Duncan?

David Duncan (NPI 1427041656) received approximately $15K in total Medicare Part B payments, serving 106 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1427041656

David DuncanM.D., F.A.A.F.P.

Family PracticeBlacksburg, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

120

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 2,194 Family Practice providers in VA — bottom quintile (cohort median 866).

PRESCRIBING · PART D · 2024

Total Rx claims

292

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

6.2%

Top prescribed drugs

Atorvastatin Calcium52 claims

Lisinopril37 claims

Amlodipine Besylate31 claims

Metoprolol Succinate28 claims

Losartan Potassium21 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where David Duncan'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). 8 inbound referrers · 16 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	82	253
BON SECOURS ST FRANCIS MEDICAL CENTER LLC	60	178
Laboratory Corporation Of America Holdings Clinical Laboratory · Richmond, VA	23	55
Jeffrey Rebman Urology · North Chesterfield, VA	13	39
Diane Johnson Family Practice · Midlothian, VA	12	42
Gregg Tobey Physical Therapist in Private Practice · Powhatan, VA	12	173
VIRGINIA COMMONWEALTH UNIVERSITY HEALTH SYSTEM AUTHORITY	12	43
Edson De Guzman Cardiology · Midlothian, VA	12	36

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Laboratory Corporation Of America Holdings Clinical Laboratory · Burlington, NC	296	1,692
BON SECOURS ST FRANCIS MEDICAL CENTER LLC	71	258
CHIPPENHAM & JOHNSTON-WILLIS HOSPITALS INC	67	248
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	29	70
Jeffrey Rebman Urology · North Chesterfield, VA	23	68
BON SECOURS ST. MARY'S HOSPITAL OF RICHMOND LLC	21	62
Laboratory Corporation Of America Holdings Clinical Laboratory · Richmond, VA	18	37
Mark Johns Cardiology · Midlothian, VA	18	127
Gregg Tobey Physical Therapist in Private Practice · Powhatan, VA	16	232
BUSCH, STEPHEN	15	30
VIRGINIA COMMONWEALTH UNIVERSITY HEALTH SYSTEM AUTHORITY	14	49
Drugscan, Inc. Clinical Laboratory · Horsham, PA	14	34

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events