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Internal Medicine

Lynn Kriengkrairut, MD

Works at hospitals in Chelsea, MI · Ann Arbor, MI · Michigan

Summary

Dr. Lynn Kriengkrairut, MD is an internal medicine doctor at 350 N Main St, Suite 100, Chelsea, MI 48118. Phone: (734) 433-1500. Accepts Medicare assignment. NPI 1013595750. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 350 N Main St, Suite 100, Chelsea, MI 48118 · Directions
  • Phone: (734) 433‑1500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chelsea Hospital, Trinity Health Ann Arbor Hospital
  • Group practice: Rebecca L. Patrias, MD PLLC
  • Medical school: graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lynn Kriengkrairut, 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 Lynn Kriengkrairut accept Medicare assignment?
Yes. Medicare's clinician data says Lynn Kriengkrairut 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 Lynn Kriengkrairut's NPI number?
1013595750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lynn Kriengkrairut works

Medicare's Facility Affiliation Data lists Lynn Kriengkrairut 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.

  • Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
  • Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156

Practice locations

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

Group practices

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

  • Rebecca L. Patrias, MD PLLC3 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Chelsea

Clinicians with the same Medicare primary specialty in Chelsea, MI — not a recommendation.

All internal medicine doctors in Chelsea →

Other clinicians in Rebecca L. Patrias, MD PLLC

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

Clinician information

CredentialMD
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013595750
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