Physician

Brendan O'Neill, M.D.

According to 2025 Medicare claims, Brendan O'Neill, M.D. (NPI: 1013170695) practices dermatology in the Flagstaff, AZ market, with the plurality of this provider's patient population coming from Coconino, AZ. This provider's primary affiliated billing organization is NORTHERN ARIZONA DERMATOLOGY CENTER PC (NPI: 1962558569; TIN: 860309409) and primary practice location at 86001-1383.

O'Neill's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 2,066 traditional Medicare patients, billed 7,641 HCPCS/CPT codes, and received $416,555 in Medicare payments. The top billing code was 17110 (Destruction of skin growth, 1-14 growths). Part D data shows 521 prescription claims across 223 beneficiaries totaling $195,466 in drug costs, led by Clobetasol Propionate (Clobetasol Propionate). Open Payments data shows 30 records totaling $890. 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 $176,113 to $416,555. Similarly, Part D prescription costs have risen steadily, from $1,321 to $195,466. 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	1,882	3,267	$176,113
2016	898	1,655	$92,476
2017	67	323	$14,507
2018	2,250	5,577	$303,325
2019	2,476	6,445	$355,447
2020	2,211	5,601	$303,174
2021	1,641	4,785	$287,117
2022	2,204	7,405	$407,592
2023	1,900	6,818	$390,392
2024	2,066	7,641	$416,555

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	18	28	$1,321
2017	59	144	$28,681
2018	65	139	$5,251
2019	103	239	$9,157
2020	97	285	$12,027
2021	127	238	$8,470
2022	168	401	$149,870
2023	178	452	$98,576
2024	223	521	$195,466

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
17110	Destruction of skin growth, 1-14 growths	276	321	$72
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	465	609	$55
88305	Pathology examination of tissue using a microscope, intermediate complexity	1,553	2,430	$51
17000	Destruction of precancer skin growth, 1 growth	350	453	$31
17003	Destruction of precancer skin growth, 2-14 growths	289	1,765	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Clobetasol Propionate	Clobetasol Propionate	36	956	$1,696
Fluocinonide	Fluocinonide	42	1,287	$1,603
Fluorouracil	Fluorouracil	22	678	$1,372
Metronidazole	Metronidazole	19	520	$1,140
Triamcinolone Acetonide	Triamcinolone Acetonide	89	2,814	$1,069

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.	30	$890	Dermavant Sciences, 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 Brendan O'Neill, M.D.?

Tedicare shows public-source Medicare data for Brendan O'Neill, M.D. (NPI 1013170695), 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 Brendan O'Neill, 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 Brendan O'Neill, M.D.?

Brendan O'Neill, M.D. is linked to NORTHERN ARIZONA DERMATOLOGY CENTER PC (billing NPI 1962558569) in the available physician profile data.

Does Brendan O'Neill, M.D. have Open Payments data?

Brendan O'Neill, M.D. has 30 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.