John Thomas Lesniak, LMSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

1489 Issued in KS

Practice address

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

NPI assigned

Nov 23, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in KS

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Key Rehabilitation IncGroup PAC ID 9638086432, 59 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Key Rehabilitation, Inc

  • Psychologist
  • Gardner, KS
  • NPI 1205106457
  Medicare reassignment Care Compare group NPD
• Key Rehabilitation, Inc

  • Clinical Psychologist
  • Fargo, ND
  • NPI 1679328975
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1132704000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1407839459",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 POPE AVENUE",
            "address_2": "MUNSON ARMY HEALTH CENTER ATTN MCXN-COO MS COTTON",
            "city": "FORT LEAVENWORTH",
            "state": "KS",
            "postal_code": "660272332",
            "telephone_number": "913-684-6562",
            "fax_number": "913-684-6208"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 POPE AVENUE",
            "address_2": "MUNSON ARMY HEALTH CENTER ATTN MCXN-COO MS COTTON",
            "city": "FORT LEAVENWORTH",
            "state": "KS",
            "postal_code": "660272332",
            "telephone_number": "913-684-6562",
            "fax_number": "913-684-6208"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LESNIAK",
        "first_name": "JOHN",
        "middle_name": "THOMAS",
        "name_prefix": "Mr.",
        "credential": "LMSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "KS",
            "license": "1489",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marketa Frouz Lanier, PHARMD, BCPS, CDCES
• Stacie Rae Large, RN
• Mark Allan Lawson, PA
• Jacqueline Leakey, RDH, BSDH
• Dong S Lee, D.M.D.
• Slade Allen Lindquist, OD
• Lucy Lot, MD
• John Ryan Lysinger
• Rocky Gene Macy, MSW, LCSW
• Kevin Michael Madjarac, DDS

• Clinical Social Worker in Fort Leavenworth, KS
• Providers in Fort Leavenworth, KS by specialty
• Clinical Social Worker in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.