Physician

Ako M Walther, MD

Hospitalist San Rafael, CA Sv Hospitalist Medical Group Inc

According to 2025 Medicare claims, Ako M. Walther, MD (NPI: 1588907836) practices hospitalist 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 Sv Hospitalist Medical Group Inc (NPI: 1841037850; TIN: ).

Walther's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 255 traditional Medicare patients, billed 837 HCPCS/CPT codes, and received $84,336 in Medicare payments. Part D data shows 172 prescription claims across 82 beneficiaries totaling $14,040 in drug costs, and DME data shows 19 claims. No Open Payments records.

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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	Not reported for this year	Not reported for this year	Not reported for this year
2015	36	71	$5,725
2016	131	287	$23,132
2017	359	848	$72,050
2018	570	1,246	$115,042
2019	550	1,111	$104,606
2020	230	817	$66,905
2021	282	907	$70,989
2022	204	597	$51,800
2023	255	837	$84,336

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	18	30	$1,386
2015	44	87	$2,507
2016	45	72	$3,601
2017	99	218	$29,868
2018	90	210	$9,304
2019	108	182	$6,183
2020	69	108	$5,098
2021	79	133	$6,147
2022	66	113	$5,398
2023	82	172	$14,040

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	18	$3,922
2018	13	59	$10,993
2019	11	55	$11,281
2020	11	50	$11,886
2021	13	61	$13,387
2022	Not reported for this year	73	$15,260
2023	Not reported for this year	19	$3,376

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	Not reported for this year	19	34	$3,376
Durable medical equipment	Not reported for this year	19	34	$3,376
Prosthetics, orthotics, and supplies	Not reported for this year	0	0	$0
DME drugs	Not reported for this year	0	0	$0

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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