Dr. Gregory Horner, MD

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Orthopedic Surgery | Male

Dr. Gregory Horner, MD
Dr. Gregory Horner, MD is an orthopedic surgery doctor who practices in Pleasanton, CA. He is 50 years old and has been practicing for 24 years. Dr. Horner is affiliated with San Ramon Regional Medical Center, Sutter Tracy Community Hospital and Valleycare Medical Center.

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Dr. Horner's Experience

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2
Specialties

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2
Board Certifications

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64
Conditions Treated

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25
Procedures Performed

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Background Check

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Education

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Languages Spoken

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Visiting Dr. Horner

Dr. Horner accepts 11 insurance carriers

Dr. Horner is now accepting new patients

Affiliated Hospitals

Hospital Quality
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Dr. Horner's Reviews

Likelihood of recommending Dr. Horner to family and friends
4.1
based on 52 total reviews (4 with comments)
Dr. Horner's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    VERY GOOD
  • Answers Questions
    VERY GOOD
  • Time well spent
    VERY GOOD
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    10 to 15 minutes
Patient Comments (4)
in Hayward |
He is an awful doctor. He seems to only be about money. He hardly talks to you, doesn't go over necessary information, and allows his TERRIBLE assistants handle everything. These assistants scheduled my husbands surgery and told us it was 100% covered by insurance. Because his assistant Stephanie seemed incompetent we check 3 times to BE 100% positive that this was covered! We even asked the facility before any surgery took place. Low and behold we received a bill from the Tracy Surgery center.
SF, CA |
He is the most awful and arrogant SOB you can ever come across in your lifetime. After making me wait more than 90 minutes for the appointment, he walked into the room, did not even examine me, never made any eye contact let alone say hello, and just looking at the charts, he said, "Surgery. There's nothing I can do for you but surgery." And then walked out of the room before I can respond to his utterance. Did I mention, he didn't even close the door so everyone could hear him?
Stockton, CA |
Worst experience, he'll spend about 3 to 5 mins with me, he never knows why I'm even there since he never looks at my chart. Would give him less than 1 star if I could. He says he's checking on something, leaves & never comes bk. Twice I came out to the hall & he was putting his jacket on & leaving the office! Wow.. So uncaring, totally not doing this because he cares. He'll offer meds, cortisone shot, sent me to physical therapy with WRONG info, they were going treat the wrong body part. Beware
Tracy, CA |
Worst doctor I’ve EVER been to. First visit, waited an hour. He poked the lump in my wrist, and said, “I don’t think that’s a ganglion cyst. We need an MRI,” and left. Visit was less than 3 minutes. MRI cost us $300 out of pocket (plus $20 each copay). Second visit, waited over an hour. No MRI results, but he said I just needed a cortisone shot. So why the MRI? Week later, hand still bruised and painful. He is incompetent, uncaring, and arrogant—a dangerous combination. STAY AWAY!
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Dr. Horner's experience matches your search based on the following criteria:

  •  Based on total number of patients treated over the last 12 months
  •  Specializes in Orthopedic Surgery
  •  Board certified in Hand Surgery and Orthopedic Surgery
  •  No malpractice claims found
  •  No sanctions found
  •  No board actions found

Awards & Recognition

  • Awards & Honors
    • Healthgrades Honor Roll
    What is a recognized doctor
  • Media & Publications

    Dr. Horner has no media or publications listed.

Background Check

  • 0
    Malpractice Claims

    No malpractice history found for California.

    What is medical malpractice
  • 0
    Sanctions

    No sanctions history found for the years that Healthgrades collects data.

    What is a sanction or disciplinary action
  • 0
    Board Actions

    No board actions found for the years that Healthgrades collects data.

    What are board actions

Board Certifications

Why It Matters: Dr. Horner's Board Certifications

Board certification should be one of your top considerations when choosing a doctor. Board certification is an official recognition given to doctors who have met specific requirements set by national medical specialty boards in the... More

  • Hand Surgery
  • Orthopedic Surgery

Conditions Treated

  • Adhesive Capsulitis
  • Ankle Sprain and Achilles Tendon Sprain or Rupture
  • Ankle and Foot Instability or Derangement
  • Anterior Cruciate Ligament (ACL) or Posterior Cruciate Ligament (PCL) Tear
  • Autoimmune Diseases
  • Back Pain
  • Bone Disorders
  • Broken Arm
  • Bursitis
  • Carpal Tunnel Syndrome
  • Chondrocalcinosis
  • Chronic Neck Pain
  • Clavicle Fracture
  • Complications of Joint Prosthesis
  • De Quervain's Disease
  • Degenerative Disc Disease
  • Dupuytren's Contracture
  • Elbow Bursitis
  • Elbow Injuries
  • Elbow Sprain
  • Enthesopathy of Hip (incl. Trochanteric Bursitis)
  • Foot Conditions
  • Foot Sprain
  • Fracture
  • Fracture of Hand (incl. Fingers)
  • Ganglion Cyst
  • Gout
  • Hammer Toe
  • Hand Conditions
  • Hand Fracture
  • Hip Sprain
  • Internal Derangement of Knee
  • Intervertebral Disc Disease
  • Joint Pain
  • Knee Dislocation
  • Knee Disorders
  • Knee Sprain
  • Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
  • Leg Fracture Above Knee (incl. Hip)
  • Limb Pain
  • Low Back Pain
  • Non-Unions and Malunions of Fractures
  • Osteoarthritis
  • Osteoarthritis of Hand or Wrist
  • Osteoarthritis of Hands
  • Osteoarthritis of Hip
  • Osteoarthritis of Knee
  • Osteoarthritis of Shoulder
  • Osteoarthritis of Spine
  • Patellofemoral Pain Syndrome or Knee Pain
  • Pseudoarthrosis
  • Radiculopathy (Not Due to Disc Displacement)
  • Rheumatoid Arthritis
  • Rotator Cuff Tear
  • Sciatica (Not Due to Disc Displacement)
  • Shoulder Dislocation
  • Shoulder Disorders
  • Shoulder Impingement Syndrome
  • Spinal Stenosis
  • Spine Disorders
  • Spondylitis
  • Sprains and Strains (incl. Muscle Tear)
  • Trigger Finger
  • Wrist Fracture

Education

  • Medical School
    Johns Hopkins University School Of Medicine

    Graduated in 1993

  • Undergraduate School
    Northwestern Center Feinberg School Of Medicine

    Graduated in 1989

Languages Spoken

  • English
  • Spanish

Memberships &
Professional Affiliations

  • California Orthopaedic Association, Member

Specialties

  • Orthopedic Surgery
  • Orthopedic Hand Surgery

Procedures Performed

  • Arm Surgery
  • Carpal Tunnel Release
  • De Quervain's Release
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Elbow Fracture and Dislocation Treatment
  • Elbow Fracture and-or Dislocation Treatment, Closed
  • Elbow Fracture and-or Dislocation Treatment, Open
  • Elbow Tenotomy
  • Fracture Care
  • Hand and Wrist Fracture Treatment, Closed
  • Hand and Wrist Fracture Treatment, Open
  • Hand and Wrist Fracture and Dislocation Treatment
  • Hand or Wrist Tendon Transfer
  • Joint Drainage
  • Myofascial Trigger Point Injection
  • Nerve Block, Somatic
  • Neuroplasty
  • Peripheral Nerve Block
  • Resection or Ablation of Bone Tumor, Partial or Complete Resection of Bone, Debridement of Bone
  • Shoulder Fracture Treatment
  • Shoulder Fracture and Dislocation Treatment
  • Steroid Injection
  • Trigger Point Injection
  • Wrist Fusion
  • Wrist Replacement