Physician

John Stuart Walsh, M.D.

According to 2025 Medicare claims, John Walsh, M.D. (NPI: 1942298161) practices dermatology in the Seattle-Bellevue-Kent, WA market, with the plurality of this provider's patient population coming from King, WA. This provider's primary affiliated billing organization is DERMATOPATHOLOTY NORTHWEST PLLC (NPI: 1932296092; TIN: 912006337) and primary practice location at 98005-1756.

Walsh's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 6,502 traditional Medicare patients, billed 12,621 HCPCS/CPT codes, and received $658,905 in Medicare payments. The top billing code was 88342 (Special stained specimen slides to examine tissue, initial procedure). Part D data shows 35 prescription claims across 14 beneficiaries totaling $726 in drug costs. Open Payments data shows 1 records totaling $30. 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 changed little. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $48,276 to $726. 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	5,129	9,847	$459,202
2016	8,173	15,927	$697,075
2017	9,224	17,978	$691,111
2018	9,363	17,603	$684,945
2019	9,089	17,015	$724,124
2020	8,131	15,435	$674,442
2021	8,571	15,765	$742,989
2022	9,466	17,565	$818,445
2023	8,483	16,041	$779,520
2024	6,502	12,621	$658,905

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	49	111	$48,276
2016	69	129	$20,383
2017	63	186	$34,704
2018	55	123	$12,158
2019	58	112	$10,573
2020	32	76	$7,808
2021	45	89	$28,870
2022	35	54	$1,692
2023	31	51	$1,658
2024	14	35	$726

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
88342	Special stained specimen slides to examine tissue, initial procedure	644	781	$93
88321	Surgical pathology consultation and report on referred slides prepared elsewhere	120	127	$82
88341	Special stained specimen slides to examine tissue, each additional procedure	381	656	$80
88305	Pathology examination of tissue using a microscope, intermediate complexity	6,337	10,557	$47
88304	Pathology examination of tissue using a microscope, moderately low complexity	147	159	$33

Top 5 Part D drugs in 2024

By total drug costs.

Part D summary data is connected for 2024, but public drug-level costs are not available, so a Top 5 by total drug costs cannot be shown.

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.	1	$30	ABBVIE 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

Explore More Providers

FAQ

What Medicare data is available for John Stuart Walsh, M.D.?

Tedicare shows public-source Medicare data for John Stuart Walsh, M.D. (NPI 1942298161), 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 John Stuart Walsh, 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 John Stuart Walsh, M.D.?

John Stuart Walsh, M.D. is linked to DERMATOPATHOLOTY NORTHWEST PLLC (billing NPI 1932296092) in the available physician profile data.

Does John Stuart Walsh, M.D. have Open Payments data?

John Stuart Walsh, M.D. has 1 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.