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PROVIDER PROFILE · NPI 1730384298

David FlackD.O.

PRACTICESELMA MEDICAL ASSOC INCSee all providers at this practice →
Family PracticeWinchester, VAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
4,220
Unique beneficiaries
—
Total services
5,379
Distinct HCPCS
24
Medicare payment
$197K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,194 Family Practice providers in VA — top quintile (cohort median 866).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
11,400
Beneficiaries
—
Total drug cost
$636K
Distinct drugs
150
Brand share
18.9%
Top prescribed drugs
Atorvastatin Calcium694 claims
Amlodipine Besylate486 claims
Lisinopril416 claims
Rosuvastatin Calcium323 claims
Levothyroxine Sodium321 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where David Flack'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). 67 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
264725
Samer Hawari
Family Practice · Winchester, VA
171513
Norman Snelgrove
Family Practice · Winchester, VA
125473
Thomas Gibbs
Internal Medicine · Winchester, VA
121350
Anna Eirich
Family Practice · Winchester, VA
91380
Michon Bechamps
Internal Medicine · Winchester, VA
85292
James Sluss
Diagnostic Radiology · Winchester, VA
65195
David Snow
Diagnostic Radiology · Winchester, VA
61234
Winchester Open Mri Llc
Independent Diagnostic Testing Facility (IDTF) · Winchester, VA
60164
SCHROEDER, MARK57206
Mark Galbraith
Infectious Disease · Winchester, VA
53221
WATTS, BLAKE48121
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.