Quick answers
- Does Geoffrey Sherman accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey Sherman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Geoffrey Sherman see?
- In 2024, CMS data shows 179 Original Medicare patients and 1,448 services for Geoffrey Sherman. This counts Original Medicare only and measures volume, not quality.
- What is Geoffrey Sherman's NPI number?
- 1275787087. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Geoffrey Sherman, 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.
| Original Medicare patients | 179 |
|---|---|
| Services billed to Medicare | 1,448 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Administration of psychological or neuropsychological test by technician, each additional 30 minutes (96139)680 services
- Exam of neurobehavioral status, first hour (96116)167 services
- Evaluation of neuropsychological test, first hour (96132)164 services
- Administration of psychological or neuropsychological test by technician, first 30 minutes (96138)161 services
- Evaluation of neuropsychological test, each additional hour (96133)159 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 pressure63%
- High cholesterol51%
- Arthritis47%
- Alzheimer's disease or dementia39%
- Depression34%
- Anxiety32%
Practice locations
Addresses where Geoffrey Sherman is enrolled with Medicare (CMS data updated October 2, 2026).
- 5820 E 2nd StCasper, WY 82609 (307) 265‑4626
Group practices
Medicare enrollment lists Geoffrey Sherman as a member of this group (CMS data updated October 2, 2026).
- Summit Memorial Medical Group LLC39 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Casper
Clinicians with the same Medicare primary specialty in Casper, WY — not a recommendation.
Other clinicians in Summit Memorial Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2007 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275787087 |
| Corrections | Report an error or suggest an update → |
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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians