Physician

Alan J Watanabe, MD

Internal medicine Columbus, IN Not available

According to 2025 Medicare claims, Alan J. Watanabe, MD (NPI: 1518961507) practices internal medicine in the Columbus, IN market, with the plurality of this provider's patient population coming from Bartholomew, IN.

Watanabe's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 673 traditional Medicare patients, billed 5,802 HCPCS/CPT codes, and received $247,793 in Medicare payments. Part D data shows 13,129 prescription claims across 854 beneficiaries totaling $1,481,597 in drug costs, and DME data shows 489 claims. Open Payments data shows 16 records totaling $399.

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10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

Year	Patients	Services	Medicare Payment
2014	715	4,123	$137,479
2015	781	4,748	$189,167
2016	743	4,500	$181,615
2017	770	4,338	$170,658
2018	747	3,323	$173,407
2019	747	3,133	$165,908
2020	768	3,852	$175,504
2021	919	6,701	$262,731
2022	693	6,457	$269,586
2023	673	5,802	$247,793

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

Year	Patients	Claims	Drug Cost
2014	703	10,431	$960,913
2015	729	10,613	$925,261
2016	695	12,282	$959,718
2017	731	12,011	$961,821
2018	693	11,275	$884,292
2019	768	11,273	$914,468
2020	830	12,740	$1,196,899
2021	961	14,719	$1,543,949
2022	924	14,587	$1,586,304
2023	854	13,129	$1,481,597

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	96	331	$22,942
2015	104	342	$26,758
2016	134	633	$35,016
2017	112	600	$30,165
2018	105	521	$31,606
2019	97	570	$29,726
2020	114	520	$37,323
2021	120	512	$40,475
2022	109	555	$48,299
2023	100	489	$53,255

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

DME	Patients	Claims	Services	Medicare Payment
All DME supplier activity	100	505	9,556	$57,840
Durable medical equipment	99	489	1,654	$53,255

DME category summary is shown when item-level DME rows are not connected.

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Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

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