Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. John Thomas Lesniak, LMSW

Individual provider Clinical Social Worker · NPI 1407839459

Mr. John Thomas Lesniak, LMSW is a Clinical Social Worker in Fort Leavenworth, Kansas. Qualified in 1985, 41 years ago. Practices with Key Rehabilitation Inc, a 59-clinician group and accepts Medicare assignment. Licensed in Kansas.

Years since qualifying
41
Licensed in
KS
In the registry since
2005
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

550 Pope Avenue Munson Army Health Center Attn Mcxn-Coo MS Cotton
Fort Leavenworth, KS 66027-2332
Phone: (913) 684-6562
Fax: (913) 684-6208
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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 1489 (KS)

Record details

NPI number1407839459
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedNovember 23, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice Key Rehabilitation Inc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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