Summary

Dr. John Ellis is an orthopedic surgeon who specializes in sports medicine, bringing four decades of experience to his practice. He earned his medical degree from the Medical College of Wisconsin, where he also completed his residency training. His extensive background spans 40 years of helping patients with bone, joint, and muscle conditions. Dr. Ellis is fluent in both English and Spanish.

Dr. Ellis practices at multiple locations throughout Riverside County, including Moreno Valley, Temecula, Murrieta, and Riverside. He holds affiliations with several respected hospitals, including Riverside University Health System Medical Center, Rancho Springs Medical Center, and Temecula Valley Hospital. His clinical expertise focuses on treating conditions such as osteoarthritis and knee pain. Dr. Ellis performs specialized procedures including joint fluid removal and therapeutic injections for inflamed joint sacs. Patients have given him an average rating of 2.9 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.9
  • 40 years of experience
  • speaks English, Spanish
  • Medical College Of Wisconsin
  • 53 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 7 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. John Gregory Ellis has 7 locations

Riverside University Health System Medical Center

26520 Cactus AveMoreno Valley, CA 92555
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Orthopaedic Surgery And Sports Medicine

40949 Winchester RdTemecula, CA 92591
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri7:30 am - 2:00 pm
SatClosed
SunClosed

Temecula Valley Day Surgery

25495 Medical Center Dr Ste 101Murrieta, CA 92562
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Rancho Springs Medical Center

25500 Medical Center DrMurrieta, CA 92562

Riverside Community Hospital

4445 Magnolia AveRiverside, CA 92501

Golden Triangle Surgicenter

25405 Hancock Ave Ste 103Murrieta, CA 92562
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Orthopaedic Surgery And Sports Medicine

4500 Brockton Ave Ste 204Riverside, CA 92501
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. John Gregory Ellis, DO
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Dr. John Gregory Ellis, DODr. Michael Klassen, MDDr. Raymond Kenneth Zarins, MDDr. Clifford Dara Merkel, MD
Orthopedic SurgeryOrthopedic SurgeryOrthopedic SurgeryOrthopedic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.9 
4.9 
2.9 
40 Years of Experience 37 Years of Experience 59 Years of Experience 46 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Spanish Speaks English, Spanish
Moreno Valley , CAMonterey , CARedlands , CARedlands , CA
Med School: Medical College Of Wisconsin Med School: David Geffen School of Medicine - UCLA Med School: University Of Toronto Faculty Of Medicine Med School: Loma Linda University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Gregory Ellis

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Gregory Ellis has the following 2 specialties

Specialty Expertise

Dr. John Gregory Ellis has the following 9 areas of expertise

  • Carpal Tunnel Syndrome
  • Dupuytren's Contracture
  • Hip Osteoarthritis
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)
  • Osteoarthritis (Hand and Wrist)
  • Physical Therapy Modalities
  • Sports Medicine

Certifications, License, & Education

40 Years Experience

Dr. John Gregory Ellis holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Medical College Of Wisconsin.

Medical School

Graduated from Medical College Of Wisconsin in 1986.

NPI Number

Dr. Ellis' NPI number is 1750351771.

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Frequently Asked Questions

Is Dr. John Ellis accepting new patients?
Dr. John Ellis is accepting new patients on Vitals. View Dr. John Ellis's profile on Vitals to make an appointment.
Does Dr. John Ellis accept my insurance?
You can see the insurance plans that Dr. John Ellis accepts on their Vitals profile.
Which hospitals is Dr. John Ellis affiliated with?
Dr. John Ellis is affiliated with Riverside University Health System Medical Center, Rancho Springs Medical Center, Riverside Community Hospital, Loma Linda University Medical Center Murrieta, and Temecula Valley Hospital.
Where is Dr. John Ellis's office located?
Dr. John Ellis's office is located at 26520 Cactus Ave, Moreno Valley, CA, 92555.
Does Dr. John Ellis accept virtual/telehealth appointments?
Dr. John Ellis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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