Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Clinical Social Worker

Jason Lillich, CSW

Sees patients in Lemmon, SD · South Dakota

Summary

Jason Lillich, CSW (Clinical Social Worker) is enrolled with Medicare at 1 practice location in Lemmon, SD. NPI 1821593005. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason Lillich, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
MaleGender (as listed)
Three Rivers Mental Health and Chemical Dependency CenterGroup practice

Quick answers

Where does Jason Lillich see patients?
Medicare's clinician data lists 1 practice location in Lemmon, SD. Call before your visit to confirm the address.
What is Jason Lillich's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Jason Lillich accept Medicare assignment?
Yes. Medicare's clinician data says Jason Lillich accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jason Lillich?
(605) 374-3862, as listed in official Medicare / NPI Registry data.
What is Jason Lillich's NPI number?
1821593005. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jason Lillich is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason Lillich as a member of this group (CMS data updated 2026-10-02).

  • Three Rivers Mental Health and Chemical Dependency Center2 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, South Dakota →

Other clinical social workers in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

All clinical social workers in South Dakota →

Clinician information

CredentialCSW
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821593005
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians