Amethyst Neuropsychology PLLC
NPI 1093542904 · Clinical Neuropsychologist · Swansea, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amethyst Neuropsychology PLLC is a Clinical Neuropsychologist organization in Swansea, IL (NPI 1093542904).
Provider details
- NPI number
- 1093542904
- Entity type
- Organization
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Sarah Dyer, Clinical Neuropsychologist(618) 680-0317
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-09-16
- Last updated
- 2024-09-16
- Certified
- 2024-09-16
Frequently asked questions
- What is Amethyst Neuropsychology PLLC's NPI number?
- Amethyst Neuropsychology PLLC's National Provider Identifier (NPI) is 1093542904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Amethyst Neuropsychology PLLC?
- Amethyst Neuropsychology PLLC is classified in the NPPES registry as Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Amethyst Neuropsychology PLLC located?
- Amethyst Neuropsychology PLLC's practice location on file with NPPES is 4505 N Illinois St Ste 7, Swansea, IL 62226-1500.
- What is Amethyst Neuropsychology PLLC's phone number?
- The practice phone number listed in the NPPES registry for Amethyst Neuropsychology PLLC is (618) 680-0317.
- Does Amethyst Neuropsychology PLLC accept Medicare?
- Amethyst Neuropsychology PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Amethyst Neuropsychology PLLC?
- The authorized official listed on Amethyst Neuropsychology PLLC's NPPES record is Sarah Dyer, Clinical Neuropsychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Amethyst Neuropsychology PLLC's NPI active?
- Yes — Amethyst Neuropsychology PLLC's NPI (1093542904) is active in the NPPES registry as of the last update on 2024-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.