Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dennis J Anderson, LCSWCADCIII

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1265479257

Dennis J Anderson, LCSWCADCIII is a Clinical Social Worker in Port Washington, Wisconsin. Qualified in 1988, 38 years ago. Practices with Mequon Clinical Associates SC, a 10-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
38
Licensed in
WI
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

1317 W Grand Ave
Port Washington, WI 53074-2075 Not confirmed with CMS for 18 years — call before visiting
Phone: (262) 284-5789
Fax: (262) 284-5907
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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 3072-123 (WI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 2249 (WI)

Record details

NPI number1265479257
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSWCADCIII
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESOctober 18, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Mequon Clinical Associates Sc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients18
Services billed 133 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Mequon Clinical Associates SC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 10 clinicians in the practice; 8 are shown here.

Other providers in Port Washington