Sean M. Milligan, MD

Medicare activity in 2024

Official CMS public-use data for Sean M. Milligan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Injection, natalizumab, 1 mg (J2323)45,600 services
2. Injection, onabotulinumtoxina, 1 unit (J0585)35,800 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)895 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)437 services
5. Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)275 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis58%
• Depression35%
• Ischemic heart disease33%
• Anxiety32%

Hospitals where Sean M. Milligan works

Medicare's Facility Affiliation Data lists Sean M. Milligan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• BSA HospitalAmarillo, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450231
• Quail Creek Surgical HospitalAmarillo, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 450875

Practice locations

Addresses where Sean M. Milligan is enrolled with Medicare (CMS data updated October 2, 2026).

• 6700 SW 9th AveAmarillo, TX 79106 (806) 358‑0200

Group practices

Medicare enrollment lists Sean M. Milligan as a member of this group (CMS data updated October 2, 2026).

• BSA Amarillo Diagnostic Clinic Inc30 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Texas →

Other neurologists in Amarillo

Clinicians with the same Medicare primary specialty in Amarillo, TX — not a recommendation.

• Halim Fadil, MD
• Rance A. Boren, MD
• Sivaram Sudhakar, MD
• Lawrence A. Schaeffer, MD

All neurologists in Amarillo →

Other clinicians in BSA Amarillo Diagnostic Clinic Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• James Burdick, MD
• Deepak Garg, MD
• Misty L. Lance, NP
• Carla L. Caballero, NP
• Timothy S. Mooring, MD
• Holly Mitchell, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians