Physician

Sean M Milligan, MD

According to 2025 Medicare claims, Sean Milligan, MD (NPI: 1861438061) practices neurology in the Amarillo, TX market, with the plurality of this provider's patient population coming from Potter, TX. This provider's primary affiliated billing organization is BSA AMARILLO DIAGNOSTIC CLINIC INC (NPI: 1134559826; TIN: 464065241) and primary practice location at 79106-1701. Milligan is affiliated with the Texoma Clinical Partners ACO, LLC (ACO ID: A4585), CVS ACO (ACO ID: A5407), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Milligan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,118 traditional Medicare patients, billed 107,312 HCPCS/CPT codes, and received $2,203,651 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 4,744 prescription claims across 691 beneficiaries totaling $4,359,475 in drug costs, led by Octagam (Immun Globg(Igg)/Malt/Iga Ov50). 2019 DME data shows 12 claims. Open Payments data shows 192 records totaling $48,832. 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 moved sharply higher in recent years, from $241,818 to $2,203,651. Similarly, Part D prescription costs have risen steadily, from $2,478,059 to $4,359,475. 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	913	12,331	$241,818
2016	934	16,008	$239,917
2017	964	23,815	$303,466
2018	920	57,444	$866,214
2019	875	53,282	$880,100
2020	718	65,464	$1,488,887
2021	766	72,230	$1,696,587
2022	758	73,517	$2,004,895
2023	1,124	102,644	$2,477,888
2024	1,118	107,312	$2,203,651

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	541	5,458	$2,478,059
2016	582	5,821	$2,397,313
2017	638	6,351	$3,122,611
2018	639	6,312	$3,517,950
2019	656	5,759	$3,621,864
2020	745	5,951	$3,724,596
2021	726	5,788	$4,543,360
2022	705	5,022	$3,973,246
2023	697	4,762	$3,786,777
2024	691	4,744	$4,359,475

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	12	41	$2,960
2016	16	16	$759
2017	13	13	$784
2018	11	11	$750
2019	N/R	12	$2,167
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = 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
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	110	147	$131
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	181	181	$111
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	576	895	$87
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	360	437	$59
36415	Insertion of needle into vein for collection of blood sample	192	204	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Octagam	Immun Globg(Igg)/Malt/Iga Ov50	67	335	$682,387
Gamunex-C	Immune Globul G/Gly/Iga Avg 46	27	789	$414,592
Vumerity	Diroximel Fumarate	36	1,080	$303,374
Tysabri	Natalizumab	36	1,080	$299,977
Nourianz	Istradefylline	59	2,654	$170,318

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.	192	$48,832	Alexion Pharmaceuticals, 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 Sean M. Milligan, MD?

Tedicare shows public-source Medicare data for Sean M. Milligan, MD (NPI 1861438061), 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 Sean M. Milligan, MD have ACO affiliation data?

Sean M. Milligan, MD is shown with ACO affiliation data for Texoma Clinical Partners ACO, LLC (MSSP, ACO ID A4585), CVS ACO (MSSP, ACO ID A5407), and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Sean M. Milligan, MD?

Sean M. Milligan, MD is linked to BSA AMARILLO DIAGNOSTIC CLINIC INC (billing NPI 1134559826) in the available physician profile data.

Does Sean M. Milligan, MD have Open Payments data?

Sean M. Milligan, MD has 192 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.