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

Pulmonary Disease

Thomas M. Siler, MD

Works at hospitals in Saint Peters, MO · Saint Charles, MO · Lake Saint Louis, MO · Missouri

Summary

Thomas M. Siler, MD (Pulmonary Disease) is listed by Medicare at 3 hospitals in Saint Peters, MO, Saint Charles, MO and Lake Saint Louis, MO. NPI 1881633931. 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 M. Siler, 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

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
45Years since medical school (graduated 1981)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
SSM Health Care St LouisGroup practice (+1 more)

Quick answers

Which hospitals does Thomas M. Siler work at?
Medicare's official clinician data lists Thomas M. Siler at 3 hospitals: Barnes-Jewish St Peters Hospital, SSM St Joseph Health Center and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas M. Siler see patients?
Medicare's clinician data lists 2 practice locations, including Fenton, MO and Saint Charles, MO. Call before your visit to confirm the address.
What is Thomas M. Siler's specialty?
Medicare lists Pulmonary Disease as the primary specialty, and also Internal Medicine.
Does Thomas M. Siler accept Medicare assignment?
Yes. Medicare's clinician data says Thomas M. Siler 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.
Does Thomas M. Siler offer telehealth?
Medicare's clinician data says Thomas M. Siler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thomas M. Siler?
(636) 496-2000, as listed in official Medicare / NPI Registry data.
What is Thomas M. Siler's NPI number?
1881633931. 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 M. Siler works

Medicare's Facility Affiliation Data lists Thomas M. Siler 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 M. Siler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas M. Siler as a member of these groups (CMS data updated 2026-10-02).

  • SSM Health Care St Louis167 clinicians in the group
  • Midwest Chest Consultants PC3 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Missouri →

Other pulmonologists in Fenton

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

All pulmonologists in Fenton →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881633931
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