Dr. Gregg Hartman, MD

Dr. Gregg Hartman, MD

Orthopedic Surgery  ·  
Male  ·  
Age 51
Dr. Gregg Hartman, MD is an orthopedic surgery specialist in Thousand Oaks, CA and has been practicing for 20 years. He graduated from Tulane University School Of Medicine in 1992 and specializes in orthopedic surgery, orthopedic knee surgery, and more.

2230 Lynn Rd Ste 220

Thousand Oaks, CA 91360

Contact Information

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Shield of California
  • Cigna
  • First Health (Coventry Health Care)
  • Health Net
  • Medicare
  • MultiPlan
  • Tricare

*Please verify this information when scheduling an appointment.

Learn about Dr. Hartman

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Hartman performs your care needs compared to other doctors.

Joint Pain
very high
more than 98% of peers
Shoulder Tendinitis and Tenosynovitis
very high
more than 94% of peers
Shoulder Disorders
very high
more than 91% of peers

Dr. Hartman's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

3  Specialties

  • Orthopedic Surgery
  • Orthopedic Knee Surgery
  • Orthopedic Shoulder & Elbow Surgery

1  Board Certifications

  • Orthopedic Surgery
    Accredited by: American Board of Orthopaedic Surgery*

87  Conditions Treated

  • Adhesive Capsulitis
  • Ankle Fracture
  • Ankle Sprain and Achilles Tendon Sprain or Rupture
  • Ankle Sprains and Strains
  • Anterior Cruciate Ligament (ACL) or Posterior Cruciate Ligament (PCL) Tear
  • Arthritis of the Elbow
  • Autoimmune Diseases
  • Back Pain
  • Bone Disorders
  • Broken Arm
  • Bursitis
  • Carpal Tunnel Syndrome
  • Chronic Neck Pain
  • Clavicle Fracture
  • Complications of Joint Prosthesis
  • De Quervain's Disease
  • Degenerative Disc Disease
  • Difficulty With Walking
  • Elbow Bursitis
  • Elbow Injuries
  • Enthesopathy of Hip (incl. Trochanteric Bursitis)
  • Femur Fracture
  • Foot Conditions
  • Foot Fracture
  • Fracture
  • Gait Abnormality
  • Glenoid Labrum Tear
  • Hammer Toe
  • Hand Conditions
  • Hand Fracture
  • Herniated Disc
  • Hip Fracture
  • Hip Pointer Injuries
  • Hip Sprain
  • Internal Derangement of Knee
  • Intervertebral Disc Disease
  • Joint Pain
  • Knee Dislocation
  • Knee Disorders
  • Knee Fracture
  • Knee Sprain
  • Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
  • Leg Fracture Above Knee (incl. Hip)
  • Leg Fracture Below Knee (incl. Ankle)
  • Limb Pain
  • Low Back Pain
  • Lumbar Spine Fracture
  • Lupus
  • Medial Collateral Ligament (MCL) Sprain
  • Neck Muscle Strain
  • Non-Unions and Malunions of Fractures
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Hand or Wrist
  • Osteoarthritis of Hands
  • Osteoarthritis of Hip
  • Osteoarthritis of Hip and Thigh
  • Osteoarthritis of Knee
  • Osteoarthritis of Shoulder
  • Osteopenia
  • Patellofemoral Pain Syndrome or Knee Pain
  • Pathological Spine Fracture
  • Pelvic Fracture
  • Peripheral Nerve Disorders
  • Pyogenic Arthritis
  • Radiculopathy (Not Due to Disc Displacement)
  • Rotator Cuff Tear
  • Runner's Knee
  • Sciatica (Not Due to Disc Displacement)
  • Scoliosis
  • Shoulder Dislocation
  • Shoulder Disorders
  • Shoulder Impingement Syndrome
  • Shoulder Tendinitis and Tenosynovitis
  • Spinal Stenosis
  • Spine Deformities
  • Spine Disorders
  • Spine Fractures, Traumatic
  • Spondylitis
  • Spondylolisthesis
  • Spondylosis
  • Sprains and Strains (incl. Muscle Tear)
  • Systemic Chondromalacia
  • Systemic Sclerosis
  • Tibia and Fibula Fractures
  • Trigger Finger
  • Wrist Fracture


Read Less

29  Procedures

  • ACL Surgery
  • Arthroscopic Shoulder Surgery
  • De Quervain's Release
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Excision of Scapula, Clavicle, Rib, or Sternum
  • Foot and Ankle Fracture and Dislocation Treatment
  • Foot and Ankle Fracture Treatment, Open
  • Fracture Care
  • Hand and Wrist Fracture and Dislocation Treatment
  • Hand and Wrist Fracture Treatment, Closed
  • Hand and Wrist Fracture Treatment, Open
  • Hip Arthroscopy
  • Hip Fracture and Dislocation Treatment
  • Hip Fracture and-or Dislocation Treatment, Closed
  • Hip Fracture and-or Dislocation Treatment, Open
  • Joint Drainage
  • Knee and Leg Fracture and Dislocation Treatment
  • Knee and Lower Leg Fracture Treatment, Closed
  • Knee and Lower Leg Fracture Treatment, Open
  • Knee Arthroscopy
  • Knee Dislocation Treatment
  • Knee Surgery
  • Resection or Ablation of Bone Tumor, Partial or Complete Resection of Bone, Debridement of Bone
  • Rotator Cuff Surgery
  • Separated Femoral Epiphysis Treatment
  • Shoulder Fracture and Dislocation Treatment
  • Shoulder Fracture Treatment
  • Trigger Point Injection
  • Viscosupplementation With Hyaluronate

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

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

0 Board Actions

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


  • UC Santa Barbara
    Undergraduate School | Graduated 1988
  • Tulane University School Of Medicine
    Medical School | Graduated 1992
  • University New Mexico
    Internship Hospital | Completed 1993
  • University New Mexico/univ New Mexico Hospital
    Residency Hospital | Completed 1997
  • Los Angeles Ortho Institute
    Fellowship Hospital | Completed 1998

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Hartman has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

  • California Orthopaedic Association, Member

Dr. Hartman's Reviews

Likelihood of recommending Dr. Hartman to family and friends
46 total reviews (26 have comments)

Likelihood to Recommend (46)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Hartman's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes
Dr. Hartman Says:

I appreciate your time in submitting a patient survey. If you received great service and attention please tell a friend. If you did not, please tell me or my staff. We are committed to providing you the best care.


Patient Comments (26)

Dr Hartman, performed a partial menisectomy on my Rt knee, as I had torn my meniscus. He performed it at the Aspen Center in Simi Valley on Feb 28th, 2018. I am so pleased to say he did a fantastic job. I was up and walking the next day, even tho it was a bit stiff from swelling. I could tell...more
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I have seen Dr. Hartman since 2011, for 7 years we have fought the workers comp system together. Recently Dr. Hartman in the course of my treatment discovered that I might be allergic to my implant. That has now opened the door for me to be revaluated by workers comp. Thank you Dr. Hartman for...more
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First time to see Dr. Hartman. Wow, what a well run office from the receptionist to Dr's assistant, to Dr. Hartman, to the clerk that checked me out. Everyone was very efficient, friendly, helpful and caring. I'm impressed! I am glad I found Dr. Hartman.
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I would definitely recommend Dr. Hartman to family and friends. He listened to exactly what my symptoms were and gave me a diagnosis right away. In addition, he offered multiple options to help me. I chose surgery. It was done within a week and I was healed and completely back to living life...more
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Dr. Hartman has operated on both of my shoulders now and I continue to be impressed by him. He favors rehab over surgery when it's a viable option. Then he takes as much time as needed to explain it to me in English. I was able to email him questions later that he answered. Before surgery, he...more
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