Quick answers
- Does Dennis D. Elmergreen accept Medicare assignment?
- Medicare's clinician data says Dennis D. Elmergreen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Dennis D. Elmergreen see?
- In 2024, CMS data shows 22 Original Medicare patients and 142 services for Dennis D. Elmergreen. This counts Original Medicare only and measures volume, not quality.
- What is Dennis D. Elmergreen's NPI number?
- 1922172675. 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 Dennis D. Elmergreen, 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 | 22 |
|---|---|
| Services billed to Medicare | 142 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 60 |
Most frequent services
- Psychotherapy, 1 hour (90837)131 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 cholesterol64%
- Depression64%
- Anxiety59%
- High blood pressure55%
Practice locations
Addresses where Dennis D. Elmergreen is enrolled with Medicare (CMS data updated October 2, 2026).
- 114 Grand AveWausau, WI 54403 (715) 845‑7175
- W12802 County Rd ABowler, WI 54416
Group practices
Medicare enrollment lists Dennis D. Elmergreen as a member of these groups (CMS data updated October 2, 2026).
- Stockbridge Munsee Community9 clinicians in the group
- Elmergreen Associates, LLC6 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Other clinicians in Stockbridge Munsee Community
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1922172675 |
| 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