Summary

As the leader of Tri-Valley Orthopedic Specialists’ hand surgery team, Dr. Horner treats conditions affecting the bones, muscles, nerves and tendons of the hand, wrist and arm up to and including the shoulder. He performs arthroscopy and micro-vascular surgery for a wide range of problems, including fracture care, congenital disorders in infants, work injuries, carpal tunnel problems in adults, and sports-related injuries for all ages.

Quick Facts

  • accepting new patients
  • 4.1
  • 33 years of experience
  • speaks English, Spanish
  • Johns Hopkins University School Of Medicine
  • 35 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Gregory Horner has 5 locations

Tri Valley Orthopedic Specialists Inc

4626 Willow Rd Ste 200Pleasanton, CA 94588
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:30 pm
Wed8:00 am - 5:30 pm
Thu8:00 am - 5:30 pm
Fri8:00 am - 5:30 pm
SatClosed
SunClosed

Hacienda Surgery Center

4626 Willow Rd Ste 100Pleasanton, CA 94588
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Clinicas Mi Doctor Irving

506 S Nursery Rd Ste 101Irving, TX 75060

Valleycare Medical Center

5555 W Las Positas BlvdPleasanton, CA 94588

Gateway Psychiatric Services

6200 STONERIDGE MALL RD FL 3PLEASANTON, CA 94588
Mon9:00 am - 6:00 pm
Tue9:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

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Dr. Gregory Horner, MDDaniel Birkbeck, MDDr. Frank Constantyn Ruys, MDDr. Tipkins Hood, MD
Hand SurgeryHand SurgeryOrthopedic SurgeryOrthopedic Surgery
Accepts New Patients Accepts New Patients
4.1 
33 Years of Experience 36 Years of Experience 82 Years of Experience 63 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Spanish, English
Pleasanton , CAFairfield , CARedwood City , CAOakland , CA
Med School: Johns Hopkins University School Of Medicine Med School: University Of Michigan Medical School Med School: Tulane University Med School: Meharry Medical College
Current Profile
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Insurance Plans Accepted by Dr. Gregory Horner

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

Medical Specialties

Dr. Gregory Horner has the following 2 specialties

Specialty Expertise

Dr. Gregory Horner has the following 9 areas of expertise

  • Arthroscopic Surgery (Arthroscopy)
  • Carpal Tunnel Syndrome
  • Dupuytren's Contracture
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Microsurgery
  • Orthopedic Surgery
  • Osteoarthritis (Hand and Wrist)
  • Sports Medicine

Certifications, License, & Education

33 Years Experience

Dr. Gregory Horner holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Medical School

Graduated from Johns Hopkins University School Of Medicine in 1993.

NPI Number

Dr. Horner's NPI number is 1295730331.

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Frequently Asked Questions

Which hospitals is Dr. Gregory Horner affiliated with?
Dr. Gregory Horner is affiliated with San Ramon Regional Medical Center and Stanford Health Care Tri Valley.
Does Dr. Gregory Horner accept virtual/telehealth appointments?
Dr. Gregory Horner has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gregory Horner's office located?
Dr. Gregory Horner's office is located at 4626 Willow Rd Ste 200, Pleasanton, CA, 94588.
Does Dr. Gregory Horner accept my insurance?
You can see the insurance plans that Dr. Gregory Horner accepts on their Vitals profile.
How can I make an appointment with Dr. Gregory Horner?
You can find contact information for Dr. Gregory Horner here on Vitals.

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