Physician

John Barry Siebenlist, M.D.

According to 2025 Medicare claims, John Siebenlist, M.D. (NPI: 1164476909) practices dermatology in the San Luis Obispo-Paso Robles, CA market, with the plurality of this provider's patient population coming from San Luis Obispo, CA. This provider's primary affiliated billing organization is J ROBERT WEST, M.D., INC (NPI: 1932154788; TIN: 953134847) and primary practice location at 93401-7902.

Siebenlist's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,146 traditional Medicare patients, billed 5,920 HCPCS/CPT codes, and received $1,001,452 in Medicare payments. The top billing code was 17311 (Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks). Part D data shows 730 prescription claims across 409 beneficiaries totaling $265,565 in drug costs, led by Humira Pen (Adalimumab). Open Payments data shows 51 records totaling $1,226. 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 risen steadily, from $551,665 to $1,001,452. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $102,319 and ending at $265,565. 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	1,108	6,007	$551,665
2016	1,124	6,551	$646,988
2017	1,168	7,197	$881,193
2018	1,290	7,473	$820,954
2019	1,178	6,451	$897,156
2020	975	5,101	$794,115
2021	1,207	6,010	$938,610
2022	1,160	5,829	$871,195
2023	1,146	5,674	$866,438
2024	1,146	5,920	$1,001,452

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	372	722	$102,319
2016	347	693	$128,520
2017	352	679	$200,692
2018	403	774	$238,983
2019	390	732	$203,951
2020	334	644	$120,258
2021	392	698	$146,649
2022	367	684	$227,122
2023	309	594	$183,783
2024	409	730	$265,565

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
17311	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	469	617	$503
17312	Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	332	527	$351
13132	Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	272	304	$238
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	481	670	$63
17000	Destruction of precancer skin growth, 1 growth	275	369	$39

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Humira Pen	Adalimumab	11	308	$76,775
Fluorouracil	Fluorouracil	65	1,834	$3,914
Fluocinolone Acetonide	Fluocinolone/Shower Cap	18	531	$1,506
Mupirocin	Mupirocin	210	4,778	$1,385
Triamcinolone Acetonide	Triamcinolone Acetonide	17	495	$1,243

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.	51	$1,226	Janssen Biotech, 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 John Barry Siebenlist, M.D.?

Tedicare shows public-source Medicare data for John Barry Siebenlist, M.D. (NPI 1164476909), 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 Barry Siebenlist, 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 Barry Siebenlist, M.D.?

John Barry Siebenlist, M.D. is linked to J ROBERT WEST, M.D., INC (billing NPI 1932154788) in the available physician profile data.

Does John Barry Siebenlist, M.D. have Open Payments data?

John Barry Siebenlist, M.D. has 51 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.