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Obstetrics/Gynecology

William K. Cunningham Jr., MD

Works at hospitals in Rockford, IL · Illinois

Summary

Dr. William K. Cunningham Jr., MD is an OB-GYN at 3505 N Bell School Rd, Rockford, IL 61114. Phone: (779) 696-0300. Accepts Medicare assignment. In 2024, William K. Cunningham Jr. had 14 Original Medicare patients and 17 services. NPI 1326153958. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 3505 N Bell School Rd, Rockford, IL 61114 · Directions
  • Phone: (779) 696‑0300
  • Medicare: Accepts Medicare assignment
  • Hospital: UW Health
  • Group practice: Swedishamerican Hospital
  • Medical school: Emory University School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William K. Cunningham Jr., 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 K. Cunningham Jr. accept Medicare assignment?
Yes. Medicare's clinician data says William K. Cunningham Jr. 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 K. Cunningham Jr. see?
In 2024, CMS data shows 14 Original Medicare patients and 17 services for William K. Cunningham Jr.. This counts Original Medicare only and measures volume, not quality.
What is William K. Cunningham Jr.'s NPI number?
1326153958. 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 K. Cunningham Jr., 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 patients14
Services billed to Medicare17
Different services or procedures10
Participating Medicare providerYes
Average age of these patients59

Hospitals where William K. Cunningham Jr. works

Medicare's Facility Affiliation Data lists William K. Cunningham Jr. 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.

  • UW HealthRockford, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140228

Practice locations

Addresses where William K. Cunningham Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William K. Cunningham Jr. as a member of this group (CMS data updated October 2, 2026).

  • Swedishamerican Hospital389 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Rockford

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

All OB-GYNs in Rockford →

Other clinicians in Swedishamerican Hospital

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

Clinician information

CredentialMD
Medical schoolEmory University School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326153958
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