Sean Milligan, MD
NPI 1861438061 · Neurology Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Milligan, MD is a Neurology Physician provider in Amarillo, TX (NPI 1861438061).
Provider details
- NPI number
- 1861438061
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M0180 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,187 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 895 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 437 | $86 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 275 | $56 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 204 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 181 | $158 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 331 | 92 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 254 | 61 |
| Lamotrigine | 188 | 43 |
| Levetiracetam | 182 | 43 |
| Duloxetine Hcl | 167 | 30 |
| Topiramate | 151 | 31 |
| Clonazepam | 150 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48,832 across 192 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Sean Milligan's NPI number?
- Sean Milligan's National Provider Identifier (NPI) is 1861438061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Milligan's specialty?
- Sean Milligan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Milligan located?
- Sean Milligan's practice location on file with NPPES is 6700 W 9th Ave, Amarillo, TX 79106-1729.
- What is Sean Milligan's phone number?
- The practice phone number listed in the NPPES registry for Sean Milligan is (806) 358-0200.
- Does Sean Milligan accept Medicare?
- Sean Milligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Milligan's NPI active?
- Yes — Sean Milligan's NPI (1861438061) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.