Provider Profile
Listed in the NPI registry as a clinical psychologist, Sarah M. Dyer, PhD practices in Belleville, IL. Sarah is also listed as specializing in psychologist. Medicare claims data shows Sarah provided 173 services to 114 patients. The services billed most often include evaluation of neuropsychological test, each additional hour, administration of psychological or neuropsychological test, each additional 30 minutes, and administration of psychological or neuropsychological test, first 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
900 ROYAL HEIGHTS RD STE 14
Belleville, IL 62226
Within Clinical Psychology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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173 services · 114 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Evaluation of neuropsychological test, each additional hour | Treatment | 96133 |
62 | |
| Administration of psychological or neuropsychological test, each additional 30 minutes | Treatment | 96137 |
42 | |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
23 | |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
23 | |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Dyer is a clinical psychologist in Belleville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Dyer is listed at 900 Royal Heights Rd Ste 14, Belleville, IL 62226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (618) 744-7373. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Dyer's National Provider Identifier is 1043877475. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Dyer attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Dyer has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Dyer provides treatments such as evaluation of neuropsychological test, each additional hour and administration of psychological or neuropsychological test, each additional 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dyer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.