Quick answers
- Does Sarah J. Vonderhoff accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah J. Vonderhoff 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 Sarah J. Vonderhoff see?
- In 2024, CMS data shows 61 Original Medicare patients and 671 services for Sarah J. Vonderhoff. This counts Original Medicare only and measures volume, not quality.
- What is Sarah J. Vonderhoff's NPI number?
- 1518102532. 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 Sarah J. Vonderhoff, 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 | 61 |
|---|---|
| Services billed to Medicare | 671 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Administration of psychological or neuropsychological test by technician, each additional 30 minutes (96139)305 services
- Evaluation of neuropsychological test, each additional hour (96133)183 services
- Exam of neurobehavioral status, first hour (96116)61 services
- Evaluation of neuropsychological test, first hour (96132)61 services
- Administration of psychological or neuropsychological test by technician, first 30 minutes (96138)61 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 pressure74%
- High cholesterol74%
- Arthritis54%
- Anxiety46%
- Depression43%
- Alzheimer's disease or dementia43%
Practice locations
Addresses where Sarah J. Vonderhoff is enrolled with Medicare (CMS data updated October 2, 2026).
- 207 Circle DrTraverse City, MI 49684 (231) 642‑4722
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Traverse City
Clinicians with the same Medicare primary specialty in Traverse City, MI — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518102532 |
| 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