Physician

David Clark Flack, D.O.

According to 2025 Medicare claims, David Flack, D.O. (NPI: 1730384298) practices family practice in the Winchester, VA-WV market, with the plurality of this provider's patient population coming from Winchester City, VA. This provider's primary affiliated billing organization is SELMA MEDICAL ASSOC INC (NPI: 1144325721; TIN: 54-1003042) and primary practice location at 22601-3834. Flack is affiliated with the ACO West Virginia (ACO ID: A3563), Aledade 94 VA MSSP Enhanced (ACO ID: A4996), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Flack's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 625 traditional Medicare patients, billed 8,334 HCPCS/CPT codes, and received $205,804 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 12,147 prescription claims across 879 beneficiaries totaling $814,783 in drug costs, led by Ozempic (Semaglutide). DME data shows 711 claims. No Open Payments records. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $608,268 to $814,783. For DME billing, reported payments moved sharply higher in recent years, from $21,669 to $64,852.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	1,530	11,238	$235,946
2016	967	15,209	$158,360
2017	1,031	16,479	$174,738
2018	860	11,406	$165,256
2019	901	10,973	$157,581
2020	668	10,122	$129,476
2021	664	9,321	$105,169
2022	622	7,908	$110,217
2023	582	8,407	$115,608
2024	625	8,334	$205,804

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	566	9,310	$608,268
2016	625	10,155	$731,635
2017	584	9,457	$591,690
2018	574	8,768	$624,709
2019	593	8,431	$631,382
2020	600	9,436	$718,889
2021	672	9,286	$763,540
2022	730	9,772	$905,505
2023	762	10,512	$973,586
2024	879	12,147	$814,783

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	80	387	$16,940
2016	87	375	$13,144
2017	115	481	$10,717
2018	123	442	$9,336
2019	144	436	$8,907
2020	173	564	$20,767
2021	159	553	$24,662
2022	184	571	$28,149
2023	175	581	$29,590
2024	267	711	$60,834

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	482	482	$125
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	544	818	$73
80061	Blood test, lipids (cholesterol and triglycerides)	464	610	$13
80053	Blood test, comprehensive group of blood chemicals	472	633	$10
36415	Insertion of needle into vein for collection of blood sample	482	720	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	87	4,258	$138,388
Oxycontin	Oxycodone Hcl	22	660	$84,946
Eliquis	Apixaban	64	3,543	$69,718
Trulicity	Dulaglutide	26	1,462	$45,073
Xarelto	Rivaroxaban	47	2,360	$42,939

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	45	51	$29,948
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	39	39	$9,030
A7031	Face mask interface, replacement for full face mask, each	N	19	51	$4,685
A7030	Full face mask used with positive airway pressure device, each	N	20	51	$4,247
A7032	Cushion for use on nasal mask interface, replacement only, each	N	N/R	28	$2,792

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for David Clark Flack, D.O.?

Tedicare shows public-source Medicare data for David Clark Flack, D.O. (NPI 1730384298), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does David Clark Flack, D.O. have ACO affiliation data?

David Clark Flack, D.O. is shown with ACO affiliation data for ACO West Virginia (MSSP, ACO ID A3563), Aledade 94 VA MSSP Enhanced (MSSP, ACO ID A4996), and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to David Clark Flack, D.O.?

David Clark Flack, D.O. is linked to SELMA MEDICAL ASSOC INC (billing NPI 1144325721) in the available physician profile data.

Does David Clark Flack, D.O. have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.