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 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

Compare with Similar Doctors

Dr. Gregory Horner, MD
Daniel Birkbeck, MD
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Dr. Gregory Horner, MDDaniel Birkbeck, MDDr. Benjamin Mark Maser, MDDr. William Clayton Ross, MD
Hand SurgeryHand SurgeryPlastic SurgerySports Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3 
4.8 
5 
33 Years of Experience 36 Years of Experience 35 Years of Experience 55 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks Chinese, Spanish Speaks English, Spanish
Pleasanton , CAFairfield , CASan Jose , CAWalnut Creek , CA
Med School: Johns Hopkins University School Of Medicine Med School: University Of Michigan Medical School Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: New York 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

Where is Dr. Gregory Horner's office located?
Dr. Gregory Horner's office is located at 4626 Willow Rd Ste 200, Pleasanton, CA, 94588.
What languages does Dr. Gregory Horner speak?
Dr. Gregory Horner speaks English and Spanish.
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 my insurance?
You can see the insurance plans that Dr. Gregory Horner accepts on their Vitals profile.
Is Dr. Gregory Horner accepting new patients?
Dr. Gregory Horner is accepting new patients on Vitals. View Dr. Gregory Horner's profile on Vitals to make an appointment.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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