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

Hospitalist

Andrew Niemann, DO

Works at hospitals in Kansas City, MO · Kansas City, KS · Missouri, Kansas

Summary

Dr. Andrew Niemann, DO is a hospitalist at 2799 N Washington St, Chillicothe, MO 64601. Phone: (660) 646-1480. Accepts Medicare assignment. NPI 1326788837. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew Niemann, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Andrew Niemann accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Niemann accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Andrew Niemann's NPI number?
1326788837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew Niemann works

Medicare's Facility Affiliation Data lists Andrew Niemann at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Andrew Niemann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew Niemann as a member of this group (CMS data updated October 2, 2026).

  • Saint Lukes Physician Group Inc1,237 clinicians in the group

Specialties

Find other Hospitalist doctors in Missouri →

Other hospitalists in Chillicothe

Clinicians with the same Medicare primary specialty in Chillicothe, MO — not a recommendation.

All hospitalists in Chillicothe →

Other clinicians in Saint Lukes Physician Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326788837
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians