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Family Practice

William G. Bird Iv, MD

Works at hospitals in Sterling, IL · Illinois

Summary

Dr. William G. Bird Iv, MD is a family doctor at 100 E Le Fevre Rd, Sterling, IL 61081. Phone: (815) 625-0400. Accepts Medicare assignment. In 2024, William G. Bird Iv had 13 Original Medicare patients and 31 services. NPI 1952490062. 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: Family doctor (Medicare lists Family Practice)
  • Address: 100 E Le Fevre Rd, Sterling, IL 61081 · Directions
  • Phone: (815) 625‑0400
  • Medicare: Accepts Medicare assignment
  • Hospital: CGH Medical Center
  • Group practice: CGH Medical Center
  • Medical school: Southern Illinois University School Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William G. Bird Iv, 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 William G. Bird Iv accept Medicare assignment?
Yes. Medicare's clinician data says William G. Bird Iv 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 William G. Bird Iv see?
In 2024, CMS data shows 13 Original Medicare patients and 31 services for William G. Bird Iv. This counts Original Medicare only and measures volume, not quality.
What is William G. Bird Iv's NPI number?
1952490062. 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 William G. Bird Iv, 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 patients13
Services billed to Medicare31
Different services or procedures11
Participating Medicare providerYes
Average age of these patients79

Hospitals where William G. Bird Iv works

Medicare's Facility Affiliation Data lists William G. Bird Iv 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.

  • CGH Medical CenterSterling, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140043

Practice locations

Addresses where William G. Bird Iv is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William G. Bird Iv as a member of this group (CMS data updated October 2, 2026).

  • CGH Medical Center197 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Sterling

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

All family doctors in Sterling →

Other clinicians in CGH Medical Center

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

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952490062
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