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

Anesthesiology

Timothy L. Hainds, MD

Works at hospitals in O Fallon, IL · Illinois

Summary

Dr. Timothy L. Hainds, MD is an anesthesiologist at 1 Saint Elizabeth Blvd, O Fallon, IL 62269. Phone: (618) 234-2120. Accepts Medicare assignment. In 2024, Timothy L. Hainds had 23 Original Medicare patients and 24 services. NPI 1871551309. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1 Saint Elizabeth Blvd, O Fallon, IL 62269 · Directions
  • Phone: (618) 234‑2120
  • Medicare: Accepts Medicare assignment
  • Hospital: HSHS St Elizabeth's Hospital
  • Group practice: North American Partners in Anesthesia Illinois LLC
  • Medical school: Southern Illinois University School Of Medicine · graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy L. Hainds, 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 Timothy L. Hainds accept Medicare assignment?
Yes. Medicare's clinician data says Timothy L. Hainds 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.
How many Medicare patients does Timothy L. Hainds see?
In 2024, CMS data shows 23 Original Medicare patients and 24 services for Timothy L. Hainds. This counts Original Medicare only and measures volume, not quality.
What is Timothy L. Hainds's NPI number?
1871551309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Timothy L. Hainds, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients23
Services billed to Medicare24
Different services or procedures14
Participating Medicare providerYes
Average age of these patients75

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis61%

Hospitals where Timothy L. Hainds works

Medicare's Facility Affiliation Data lists Timothy L. Hainds 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.

  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187

Practice locations

Addresses where Timothy L. Hainds is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Timothy L. Hainds as a member of this group (CMS data updated October 2, 2026).

  • North American Partners in Anesthesia Illinois LLC431 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in O Fallon

Clinicians with the same Medicare primary specialty in O Fallon, IL — not a recommendation.

All anesthesiologists in O Fallon →

Other clinicians in North American Partners in Anesthesia Illinois LLC

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

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871551309
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians