Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mervin J Langley, LCSW

Individual provider Clinical Social Worker · NPI 1932317831

Dr. Mervin J Langley, LCSW is a Clinical Social Worker in Lake Geneva, Wisconsin. Qualified in 1987, 39 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
39
Licensed in
WI
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

146 E Geneva Sq
Lake Geneva, WI 53147-9694
Phone: (877) 666-7223
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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 2853 (WI)

Record details

NPI number1932317831
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 21, 2007
Last updated in NPPESMarch 15, 2024
Certification dateMarch 15, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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