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

Internal Medicine

Thomas Siegert, MD

Works at hospitals in Anchorage, AK · Alaska

Summary

Thomas Siegert, MD (Internal Medicine) is listed by Medicare at 1 hospital in Anchorage, AK. NPI 1194383810. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Siegert, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
University Of Washington School Of MedicineMedical school
MaleGender (as listed)
Alaska Native Tribal Health ConsortiumGroup practice

Quick answers

Which hospitals does Thomas Siegert work at?
Medicare's official clinician data lists Thomas Siegert at 1 hospital: Alaska Native Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas Siegert see patients?
Medicare's clinician data lists 1 practice location in Anchorage, AK. Call before your visit to confirm the address.
What is Thomas Siegert's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Thomas Siegert accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Siegert 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 Thomas Siegert?
(907) 563-2662, as listed in official Medicare / NPI Registry data.
What is Thomas Siegert's NPI number?
1194383810. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas Siegert works

Medicare's Facility Affiliation Data lists Thomas Siegert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

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

  • Alaska Native Tribal Health Consortium607 clinicians in the group

Specialties

Find other Internal Medicine doctors in Alaska →

Other internal medicine doctors in Anchorage

Clinicians with the same Medicare primary specialty in Anchorage, AK — not a recommendation.

All internal medicine doctors in Anchorage →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194383810
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians