Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Gregg Robert Brewer, MS

Individual provider Mental Health Counselor · NPI 1124465620

Mr. Gregg Robert Brewer, MS is a Clinical Social Worker in Oshkosh, Wisconsin. Qualified in 1989, 37 years ago. Practices with Thedacare, Incorporated, a 654-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
37
Licensed in
WI
In the registry since
2013
Specialties on file
3
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

700 N Westhaven Dr
Oshkosh, WI 54904-6947
Phone: (920) 456-2030
Fax: (920) 456-2025
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1071-123 (WI)
Mental Health Counselor Taxonomy 101YM0800X · Licence 610-125 (WI)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 87-124 (WI)

Record details

NPI number1124465620
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedMay 24, 2013
Last updated in NPPESMarch 19, 2014
Mailing address700 N Westhaven Dr, Oshkosh, WI 54904-6947

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Thedacare, Incorporated — 654 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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