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

Nurse Practitioner

Geoffrey F. River, NP

Works at hospitals in Winfield, IL · Illinois

Summary

Geoffrey F. River, NP is a nurse practitioner at 10834 B S Doty Ave, Chicago, IL 60628. Phone: (708) 922-0911. Accepts Medicare assignment. NPI 1508440371. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Geoffrey F. River, 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 Geoffrey F. River accept Medicare assignment?
Yes. Medicare's clinician data says Geoffrey F. River 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.
What is Geoffrey F. River's NPI number?
1508440371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Geoffrey F. River works

Medicare's Facility Affiliation Data lists Geoffrey F. River 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.

Practice locations

Addresses where Geoffrey F. River is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Geoffrey F. River as a member of these groups (CMS data updated October 2, 2026).

  • Illinois Urgent Care Professionals PLLC41 clinicians in the group
  • Avid Primary Care LLC4 clinicians in the group
  • Avid Urgent Care LLC2 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Chicago

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

All nurse practitioners in Chicago →

Other clinicians in Illinois Urgent Care Professionals PLLC

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

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508440371
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians