Physician

Eric Christopher Buxton, M.D.

According to 2025 Medicare claims, Eric Buxton, M.D. (NPI: 1134210362) practices endocrinology in the San Rafael, CA market, with the plurality of this provider's patient population coming from Marin, CA. This provider's primary affiliated billing organization is ERIC C. BUXTON MD, INC. (NPI: 1922482660) and primary practice location at 94904-1712. Buxton is affiliated with the Collaborative ACO 30, LLC (ACO ID: A5483), participating under the MSSP model.

Buxton's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 824 traditional Medicare patients, billed 10,330 HCPCS/CPT codes, and received $299,462 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 6,330 prescription claims across 705 beneficiaries totaling $2,497,130 in drug costs, led by Mounjaro (Tirzepatide). DME data shows 598 claims. Open Payments data shows 98 records totaling $1,753. 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 sharply higher in recent years, from $105,656 to $299,462. Similarly, Part D prescription costs have moved sharply higher in recent years, from $988,375 to $2,497,130. For DME billing, reported payments moved sharply higher in recent years, from $10,733 to $192,159.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	581	1,127	$105,656
2016	641	1,237	$120,837
2017	643	1,226	$104,408
2018	636	1,099	$98,222
2019	672	1,144	$105,323
2020	681	1,162	$106,447
2021	659	1,197	$138,315
2022	761	3,777	$206,698
2023	787	5,084	$224,900
2024	824	10,330	$299,462

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	488	4,708	$988,375
2016	520	5,116	$1,072,688
2017	525	5,226	$1,082,652
2018	562	5,529	$1,242,554
2019	571	5,370	$1,318,933
2020	579	5,374	$1,424,220
2021	595	5,224	$1,911,424
2022	647	5,650	$2,126,672
2023	690	6,008	$2,692,466
2024	705	6,330	$2,497,130

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	119	377	$18,114
2016	118	413	$23,142
2017	159	467	$23,986
2018	132	498	$40,149
2019	155	619	$76,435
2020	130	655	$106,758
2021	113	637	$104,425
2022	141	721	$122,501
2023	144	854	$160,246
2024	130	598	$197,467

* / # = 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
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	155	224	$153
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	687	1,115	$105
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	80	82	$69
J0897	Injection, denosumab, 1 mg	52	5,340	$19
96372	Injection of drug or substance under skin or into muscle	58	133	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mounjaro	Tirzepatide	410	16,368	$590,369
Ozempic	Semaglutide	179	7,522	$242,229
Trulicity	Dulaglutide	162	6,444	$219,956
Jardiance	Empagliflozin	150	10,704	$206,026
Samsca	Tolvaptan	13	390	$199,657

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	79	412	$168,056
A4238	Supply allowance for adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	16	$7,585
A4224	Supplies for maintenance of insulin infusion catheter, per week	N	N/R	26	$6,232
J1817	Insulin for administration through dme (i.e., insulin pump) per 50 units	N	N/R	20	$5,405
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	17	17	$3,642

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	98	$1,753	Lilly USA, LLC
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 Eric Christopher Buxton, M.D.?

Tedicare shows public-source Medicare data for Eric Christopher Buxton, M.D. (NPI 1134210362), 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 Eric Christopher Buxton, M.D. have ACO affiliation data?

Eric Christopher Buxton, M.D. is shown with ACO affiliation data for Collaborative ACO 30, LLC (MSSP, ACO ID A5483).

What billing organization is linked to Eric Christopher Buxton, M.D.?

Eric Christopher Buxton, M.D. is linked to ERIC C. BUXTON MD, INC. (billing NPI 1922482660) in the available physician profile data.

Does Eric Christopher Buxton, M.D. have Open Payments data?

Eric Christopher Buxton, M.D. has 98 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.