Quick answers
- Where does Gregg R. Brewer see patients?
- Medicare's clinician data lists 2 practice locations, including Menasha, WI and Neenah, WI. Call before your visit to confirm the address.
- What is Gregg R. Brewer's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Gregg R. Brewer accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg R. Brewer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregg R. Brewer?
- (920) 720-2300, as listed in official Medicare / NPI Registry data.
- What is Gregg R. Brewer's NPI number?
- 1124465620. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gregg R. Brewer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1095 Midway RdMenasha, WI 54952 (920) 720‑2300
- 333 N Green Bay RdNeenah, WI 54956 (920) 364‑3600
Group practices
Medicare enrollment lists Gregg R. Brewer as a member of this group (CMS data updated 2026-10-02).
- Thedacare, Incorporated647 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Menasha
Clinicians with the same Medicare primary specialty in Menasha, WI — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124465620 |
| 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 2026-10-02, retrieved 2026-10-29
- 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