Physician

David G Alonso, MD

According to 2025 Medicare claims, David Alonso, MD (NPI: 1467403246) practices internal medicine in the Chico, CA market, with the plurality of this provider's patient population coming from Butte, CA. This provider's primary affiliated billing organization is DAVID ALONSO, MD INC (NPI: 1235497611; TIN: 273096919) and primary practice location at 95926-1852. Alonso is affiliated with the Aledade 91 CA MSSP Basic E (ACO ID: A5193) and Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.

Alonso's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,108 traditional Medicare patients, billed 18,470 HCPCS/CPT codes, and received $909,077 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 6,031 prescription claims across 450 beneficiaries totaling $913,637 in drug costs, led by Mounjaro (Tirzepatide). DME data shows 456 claims. Open Payments data shows 32 records totaling $690. 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 moved from a lower plateau to a higher plateau, from $334,515 to $909,077. Concurrently, Part D prescription costs have changed little. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	721	4,816	$334,515
2016	798	4,475	$286,050
2017	904	5,717	$334,358
2018	855	5,219	$299,721
2019	841	5,579	$323,205
2020	815	9,209	$484,006
2021	899	12,179	$700,890
2022	937	7,170	$474,097
2023	1,006	9,817	$661,082
2024	1,108	18,470	$909,077

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	516	8,595	$752,192
2016	572	8,128	$765,531
2017	666	8,733	$798,644
2018	646	6,892	$608,479
2019	583	5,831	$608,020
2020	535	5,730	$650,065
2021	500	5,589	$688,605
2022	496	5,692	$749,632
2023	455	5,520	$867,188
2024	450	6,031	$913,637

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	362	1,296	$90,363
2016	394	1,451	$73,901
2017	351	1,170	$49,781
2018	276	969	$34,713
2019	273	911	$33,630
2020	323	962	$46,534
2021	305	958	$47,289
2022	270	788	$52,065
2023	196	606	$43,937
2024	122	456	$39,422

* / # = 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	747	747	$130
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	913	2,310	$89
G0442	Annual alcohol misuse screening, 5 to 15 minutes	778	778	$19
G0444	Annual depression screening, 5 to 15 minutes	750	750	$19
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	754	2,024	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mounjaro	Tirzepatide	175	5,186	$182,487
Ozempic	Semaglutide	84	3,146	$97,983
Eliquis	Apixaban	106	4,951	$95,121
Creon	Lipase/Protease/Amylase	13	820	$65,808
Xifaxan	Rifaximin	17	446	$57,350

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	N/R	36	$16,732
B4149	Enteral formula, manufactured blenderized natural foods with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	12	$5,680
A7032	Cushion for use on nasal mask interface, replacement only, each	N	N/R	21	$2,185
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	19	42	$2,107
A4604	Tubing with integrated heating element for use with positive airway pressure device	N	23	46	$1,710

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	32	$690	Amgen Inc.
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 G. Alonso, MD?

Tedicare shows public-source Medicare data for David G. Alonso, MD (NPI 1467403246), 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 G. Alonso, MD have ACO affiliation data?

David G. Alonso, MD is shown with ACO affiliation data for Aledade 91 CA MSSP Basic E (MSSP, ACO ID A5193) and Collaborative ACO 30, LLC (MSSP, ACO ID A5483).

What billing organization is linked to David G. Alonso, MD?

David G. Alonso, MD is linked to DAVID ALONSO, MD INC (billing NPI 1235497611) in the available physician profile data.

Does David G. Alonso, MD have Open Payments data?

David G. Alonso, MD has 32 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.