Physician

Allen L Johnson, MD

Hospitalist Bellingham, WA Northwest Hospital Medicine Physicians LLC

According to 2025 Medicare claims, Allen L. Johnson, MD (NPI: 1528035565) practices hospitalist in the Bellingham, WA market, with the plurality of this provider's patient population coming from Whatcom, WA. This provider's primary affiliated billing organization is Northwest Hospital Medicine Physicians LLC (NPI: 1730713025; TIN: ).

Johnson's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 357 traditional Medicare patients, billed 1,013 HCPCS/CPT codes, and received $88,238 in Medicare payments. Part D data shows 499 prescription claims across 97 beneficiaries totaling $34,866 in drug costs, and DME data shows 60 claims. Open Payments data shows 3 records totaling $231.

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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	483	1,315	$95,685
2015	341	586	$36,600
2016	688	1,496	$86,368
2017	591	1,730	$120,002
2018	608	1,740	$148,603
2019	499	1,594	$138,878
2020	396	1,334	$118,338
2021	368	1,430	$120,601
2022	409	1,430	$109,196
2023	357	1,013	$88,238

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	126	252	$7,579
2015	184	584	$21,457
2016	457	6,403	$351,664
2017	406	5,815	$352,658
2018	287	2,164	$125,936
2019	113	407	$13,341
2020	71	360	$10,127
2021	87	473	$11,636
2022	127	494	$19,290
2023	97	499	$34,866

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	12	$1,034
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	58	235	$17,684
2017	59	220	$20,317
2018	26	91	$21,450
2019	Not reported for this year	32	$7,945
2020	Not reported for this year	28	$8,485
2021	Not reported for this year	25	$10,120
2022	11	85	$21,671
2023	14	60	$19,730

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	14	61	137	$19,772
Durable medical equipment	13	60	134	$19,730

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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