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

Orthopedic Surgery

George T. Hayes Jr., MD

Works at hospitals in Marysville, CA · Colusa, CA · Chico, CA … · California

Summary

Dr. George T. Hayes Jr., MD is an orthopedic surgeon at 1133 W Sycamore St, Willows, CA 95988. Phone: (530) 934-1881. May accept Medicare assignment. In 2024, George T. Hayes Jr. had 14 Original Medicare patients and 15 services. NPI 1912902677. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about George T. Hayes 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 George T. Hayes Jr. accept Medicare assignment?
Medicare's clinician data says George T. Hayes Jr. may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does George T. Hayes Jr. see?
In 2024, CMS data shows 14 Original Medicare patients and 15 services for George T. Hayes Jr.. This counts Original Medicare only and measures volume, not quality.
What is George T. Hayes Jr.'s NPI number?
1912902677. 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 George T. Hayes 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 Medicare15
Different services or procedures8
Participating Medicare providerYes
Average age of these patients64

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%
  • Arthritis75%

Hospitals where George T. Hayes Jr. works

Medicare's Facility Affiliation Data lists George T. Hayes 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.

  • Adventist Health and RideoutMarysville, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050133
  • Colusa Medical CenterColusa, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050783
  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Glenn Medical CenterWillows, CA · Critical Access Hospital · closed, according to its website · CCN 051306

Practice locations

Addresses where George T. Hayes Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists George T. Hayes Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Glenn Medical Center, Inc11 clinicians in the group
  • Glenn Medical Center, LLC11 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All orthopedic surgeons in California →

Other clinicians in Glenn Medical Center, Inc

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

Clinician information

CredentialMD
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1912902677
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