Physician

David Joseph Knapp, M.D.

According to 2025 Medicare claims, David Knapp, M.D. (NPI: 1376735613) practices internal medicine in the Sierra Vista-Douglas, AZ market, with the plurality of this provider's patient population coming from Cochise, AZ. This provider's primary affiliated billing organization is SIERRA VISTA INTERNAL MEDICINE, PLLC (NPI: 1831397512; TIN: 651236941) and primary practice location at 85635-2486. Knapp is affiliated with the ABC Network (ACO ID: A5554), participating under the MSSP model.

Knapp's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 597 traditional Medicare patients, billed 2,479 HCPCS/CPT codes, and received $185,098 in Medicare payments. The top billing code was G0438 (Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit). Part D data shows 4,597 prescription claims across 300 beneficiaries totaling $452,640 in drug costs, led by Enbrel Sureclick (Etanercept). DME data shows 947 claims. Open Payments data shows 10 records totaling $435. 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 has changed little. Similarly, Part D prescription costs have changed little. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $90,427 and ending at $60,136.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	983	4,208	$246,538
2016	902	3,549	$197,724
2017	831	3,652	$214,028
2018	872	3,622	$215,015
2019	881	3,567	$222,064
2020	804	3,103	$217,090
2021	1,004	4,011	$250,630
2022	654	2,654	$209,067
2023	633	2,516	$199,678
2024	597	2,479	$185,098

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	530	8,529	$581,263
2016	497	7,721	$573,175
2017	460	7,176	$575,585
2018	468	6,801	$573,424
2019	478	6,850	$477,482
2020	421	6,890	$587,528
2021	380	5,855	$518,078
2022	335	5,188	$493,428
2023	289	4,497	$453,687
2024	300	4,597	$452,640

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	330	1,308	$84,297
2016	296	1,083	$48,246
2017	252	975	$30,079
2018	278	1,011	$32,741
2019	281	1,011	$40,979
2020	322	1,284	$75,445
2021	275	1,197	$77,800
2022	235	996	$60,246
2023	229	958	$66,093
2024	192	947	$55,469

* / # = 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
G0438	Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	34	34	$145
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	262	262	$114
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	528	1,813	$77
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$69
69210	Removal of impacted ear wax	21	28	$28

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Enbrel Sureclick	Etanercept	14	392	$98,150
Eliquis	Apixaban	34	2,940	$52,755
Xarelto	Rivaroxaban	39	1,950	$35,373
Trulicity	Dulaglutide	14	1,070	$34,718
Jardiance	Empagliflozin	38	1,990	$34,422

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	34	270	$19,280
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	N/R	49	$18,121
A7031	Face mask interface, replacement for full face mask, each	N	13	36	$2,697
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	21	149	$2,520
A7030	Full face mask used with positive airway pressure device, each	N	14	31	$2,431

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	10	$435	AstraZeneca Pharmaceuticals LP
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for David Joseph Knapp, M.D.?

Tedicare shows public-source Medicare data for David Joseph Knapp, M.D. (NPI 1376735613), 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 Joseph Knapp, M.D. have ACO affiliation data?

David Joseph Knapp, M.D. is shown with ACO affiliation data for ABC Network (MSSP, ACO ID A5554).

What billing organization is linked to David Joseph Knapp, M.D.?

David Joseph Knapp, M.D. is linked to SIERRA VISTA INTERNAL MEDICINE, PLLC (billing NPI 1831397512) in the available physician profile data.

Does David Joseph Knapp, M.D. have Open Payments data?

David Joseph Knapp, M.D. has 10 connected Open Payments records in the available 2024 summary 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.