Physician

Joshua Shigeru Yamamoto, M.D.

According to 2025 Medicare claims, Joshua Yamamoto, M.D. (NPI: 1639172174) practices cardiology in the Washington, DC-MD market, with the plurality of this provider's patient population coming from The District, DC. This provider's primary affiliated billing organization is FOXHALL MEDICINE, PLLC (NPI: 1588914980) and primary practice location at 20016-3622.

Yamamoto's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 851 traditional Medicare patients, billed 5,796 HCPCS/CPT codes, and received $665,158 in Medicare payments. The top billing code was 93880 (Ultrasound of both sides of head and neck blood flow). Part D data shows 5,529 prescription claims across 640 beneficiaries totaling $2,075,962 in drug costs, led by Xarelto (Rivaroxaban). Open Payments data shows 113 records totaling $61,523. 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 moved sharply higher in recent years, from $344,032 to $2,075,962. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	953	5,922	$472,079
2016	832	7,292	$533,892
2017	910	7,465	$590,644
2018	792	8,141	$691,794
2019	790	6,853	$778,600
2020	733	5,994	$849,943
2021	805	7,097	$869,191
2022	804	6,168	$745,505
2023	849	6,000	$702,404
2024	851	5,796	$665,158

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	282	2,158	$344,032
2016	326	2,862	$460,491
2017	346	3,181	$513,735
2018	364	3,208	$587,262
2019	388	3,335	$705,037
2020	393	3,700	$864,193
2021	436	3,833	$1,028,853
2022	452	3,962	$1,234,152
2023	496	4,252	$1,375,843
2024	640	5,529	$2,075,962

DME Billing Trend

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

No connected DME records

* / # = 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
93880	Ultrasound of both sides of head and neck blood flow	501	519	$146
93306	Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	664	831	$144
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	773	1,629	$63
93280	Programming of dual lead pacemaker system	183	295	$55
93000	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	551	803	$10

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Xarelto	Rivaroxaban	759	57,414	$1,032,940
Vyndamax	Tafamidis	18	600	$510,262
Eliquis	Apixaban	156	10,875	$204,855
Entresto	Sacubitril/Valsartan	97	6,368	$136,841
Multaq	Dronedarone Hcl	17	960	$24,486

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	113	$61,523	Janssen Pharmaceuticals, 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 Joshua Shigeru Yamamoto, M.D.?

Tedicare shows public-source Medicare data for Joshua Shigeru Yamamoto, M.D. (NPI 1639172174), 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 Joshua Shigeru Yamamoto, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Joshua Shigeru Yamamoto, M.D.?

Joshua Shigeru Yamamoto, M.D. is linked to FOXHALL MEDICINE, PLLC (billing NPI 1588914980) in the available physician profile data.

Does Joshua Shigeru Yamamoto, M.D. have Open Payments data?

Joshua Shigeru Yamamoto, M.D. has 113 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.