GT
25 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tchejeyan, Specialist in Thousand Oaks, CA?
Dr. Gregory Tchejeyan, MD is a Specialist, who primarily practices in Thousand Oaks, CA. He has been practicing for over 25 years and is board certified. Dr. Tchejeyan graduated from Keck School of Medicine of the University of Southern California and completed his residency at L A Co-Usc Med Ctr, Orthopedic Surgery. Dr. Tchejeyan is fluent in English and Spanish, and is currently seeing new patients. Dr. Tchejeyan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tchejeyan’s office at (805) 495-3687.
Where did Dr. Tchejeyan go to medical school and complete their residency?
Residency: L A Co-Usc Med Ctr, Orthopedic Surgery | USC/LAC-Keck School of Medicine
Medical School: University of Southern Ca Sch of Med, Los Angeles Ca | Keck School of Medicine of the University of Southern California
Is Dr. Tchejeyan board certified as a Specialist?
Yes, Dr. Gregory Tchejeyan, MD is board certified by the American Board of Orthopaedic Surgery
What languages does Dr. Tchejeyan speak?
Dr. Tchejeyan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Tchejeyan treat?
As a Specialist, Dr. Tchejeyan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Tchejeyan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Primary Osteoarthritis in Right Knee
- Osteoarthritis of the left knee
- Osteoarthritis of both knees
- Primary Osteoarthritis in Right Hip
- Osteoarthritis of the left hip
- Osteoarthritis
- Right Knee Arthritis
- Right Knee Degenerative Joint Disease
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
- Right Hip Arthritis
- Right Hip Degenerative Joint Disease
ICD-10 Codes:
- M1711: Unilateral primary osteoarthritis, right knee
- M1712: Unilateral primary osteoarthritis, left knee
- M170: Bilateral primary osteoarthritis of knee
- M1611: Unilateral primary osteoarthritis, right hip
- M1612: Unilateral primary osteoarthritis, left hip
Also known as:
- Pain in Right Knee
- Knee Injuries and Disorder
- Pain
- Right Knee Ache
- Right Knee Discomfort
- Sore Right Knee
ICD-10 Codes:
- M25561: Pain in right knee
Also known as:
- Joint Replacement Aftercare
- Hip Replacement
- Joint Disorder
- Knee Replacement
- Post-joint replacement care
- Joint surgery recovery
- Orthopedic aftercare
ICD-10 Codes:
- Z471: Aftercare following joint replacement surgery
What procedures does Dr. Tchejeyan perform?
As a Specialist, Dr. Tchejeyan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Tchejeyan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Kneecap Stabilization Surgery
- Open Knee Joint Surgery
- Kneecap Removal Surgery
- Knee Capsular Release
- Patella Reconstruction
- Dislocating Kneecap Repair
- Knee Extensor Realignment
- Knee exploration and debris removal
- Knee arthrotomy
- Knee joint biopsy
- Removal of loose bodies from knee
- Patella removal
- Partial kneecap removal
- Kneecap excision
- Patellectomy
- Posterior Knee Capsulotomy
- Knee Joint Capsule Release
- Stiff Knee Surgery
CPT Codes:
- 27422: Reconstruction of dislocating patella; with extensor realignment and/or muscle advancement or release (eg, Campbell, Goldwaite type procedure)
- 27331: Arthrotomy, knee; including joint exploration, biopsy, or removal of loose or foreign bodies
- 27350: Patellectomy or hemipatellectomy
- 27435: Capsulotomy, posterior capsular release, knee
Also known as:
- Computer-Assisted Musculoskeletal Surgery (Image-less)
- Navigational Musculoskeletal Surgery
- Image-less Computer-Guided Surgery
- Orthopedic Navigation System
- CAS Musculoskeletal Surgery
CPT Codes:
- 20985: Computer-assisted surgical navigational procedure for musculoskeletal procedures, image-less (List separately in addition to code for primary procedure)
Also known as:
- Partial Bone Removal from Thigh or Shin
- Partial Removal of Upper Arm Bone
- Femur Bone Excision
- Tibia Bone Excision
- Fibula Bone Excision
- Bone Abscess Removal (Leg)
- Humerus bone excision
- Upper arm osteomyelitis surgery
- Saucerization of humerus
CPT Codes:
- 27360: Partial excision (craterization, saucerization, or diaphysectomy) bone, femur, proximal tibia and/or fibula (eg, osteomyelitis or bone abscess)
- 24140: Partial excision (craterization, saucerization, or diaphysectomy) bone (eg, osteomyelitis), humerus
Also known as:
- Hamstring Tendon Release (Open, One Leg)
- Hamstring Lengthening Surgery
- Open Hamstring Tenotomy
- Multiple Hamstring Tendon Cut
CPT Codes:
- 27391: Tenotomy, open, hamstring, knee to hip; multiple tendons, 1 leg
Also known as:
- Shin Bone Partial Removal
- Tibia Bone Excision
- Shin Bone Debridement
- Osteomyelitis Tibia Surgery
CPT Codes:
- 27640: Partial excision (craterization, saucerization, or diaphysectomy), bone (eg, osteomyelitis); tibia
Also known as:
- Total Knee Replacement
- Partial Knee Replacement
- Knee Replacement
- Total Knee Arthroplasty
- Knee Joint Replacement
- Full Knee Replacement
- TKA Surgery
- Unicompartmental Knee Arthroplasty
- Medial Knee Replacement
- Lateral Knee Replacement
- Partial Knee Resurfacing
CPT Codes:
- 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)
- 27446: Arthroplasty, knee, condyle and plateau; medial OR lateral compartment
Also known as:
- Shoulder Arthroscopy for Decompression
- Biceps Tendon Repair (Tenodesis)
- Arthroscopic Rotator Cuff Repair
- Shoulder Joint Exploration
- Open Repair of Rotator Cuff Tear
- Endoscopy
- Arthroscopic Shoulder Decompression
- Subacromial Decompression
- Shoulder Impingement Surgery
- Acromioplasty
- Long Head Biceps Tenodesis
- Shoulder Biceps Tendon Surgery
- Biceps Tendon Reattachment
- Shoulder Tendon Repair
- Shoulder Arthroscopy for Rotator Cuff
- Keyhole Rotator Cuff Surgery
- Minimally Invasive Shoulder Repair
- Open Shoulder Surgery
- Glenohumeral Arthrotomy
- Shoulder Foreign Body Removal
- Rotator Cuff Repair
- Torn Rotator Cuff Surgery
CPT Codes:
- 29826: Arthroscopy, shoulder, surgical; decompression of subacromial space with partial acromioplasty, with coracoacromial ligament (ie, arch) release, when performed (List separately in addition to code for primary procedure)
- 23430: Tenodesis of long tendon of biceps
- 29827: Arthroscopy, shoulder, surgical; with rotator cuff repair
- 23107: Arthrotomy, glenohumeral joint, with joint exploration, with or without removal of loose or foreign body
- 23410: Repair of ruptured musculotendinous cuff (eg, rotator cuff) open; acute
Also known as:
- Extensive Shoulder Arthroscopy Debridement
- Shoulder Synovectomy (Arthroscopic)
- Shoulder Bone Shaving (Arthroscopic)
- Shoulder SLAP Tear Repair (Arthroscopic)
- Endoscopy
- Shoulder Scope Cleaning
- Arthroscopic Shoulder Debridement
- Shoulder Joint Cleanup Surgery
- Shoulder Joint Lining Removal
- Keyhole Shoulder Surgery for Synovium
- Arthroscopic Distal Claviculectomy
- Mumford Procedure (Arthroscopic)
- AC Joint Resection (Arthroscopic)
- Arthroscopic SLAP Lesion Repair
- Shoulder Labrum Repair (Arthroscopic)
- Keyhole Shoulder Surgery for SLAP
CPT Codes:
- 29823: Arthroscopy, shoulder, surgical; debridement, extensive, 3 or more discrete structures (eg, humeral bone, humeral articular cartilage, glenoid bone, glenoid articular cartilage, biceps tendon, biceps anchor complex, labrum, articular capsule, articular side of the rotator cuff, bursal side of the rotator cuff, subacromial bursa, foreign body[ies])
- 29821: Arthroscopy, shoulder, surgical; synovectomy, complete
- 29824: Arthroscopy, shoulder, surgical; distal claviculectomy including distal articular surface (Mumford procedure)
- 29807: Arthroscopy, shoulder, surgical; repair of SLAP lesion
Also known as:
- Knee Arthroscopy with Major Synovectomy
- Knee Arthroscopy for Cartilage Shaving
- Knee Arthroscopy with Meniscus and Cartilage Repair
- Endoscopy
- Arthroscopic Knee Synovectomy
- Knee Lining Removal (Arthroscopic)
- Minimally Invasive Knee Synovectomy
- Knee chondroplasty
- Arthroscopic cartilage debridement
- Knee scope cartilage repair
- Knee Scope with Meniscectomy
- Knee Cartilage Shaving
- Arthroscopic Knee Debridement
- Knee scope with meniscectomy
- Arthroscopic knee surgery
- Cartilage shaving knee
- Meniscus repair knee arthroscopy
CPT Codes:
- 29876: Arthroscopy, knee, surgical; synovectomy, major, 2 or more compartments (eg, medial or lateral)
- 29877: Arthroscopy, knee, surgical; debridement/shaving of articular cartilage (chondroplasty)
- 29881: Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving) including debridement/shaving of articular cartilage (chondroplasty), same or separate compartment(s), when performed
- 29880: Arthroscopy, knee, surgical; with meniscectomy (medial AND lateral, including any meniscal shaving) including debridement/shaving of articular cartilage (chondroplasty), same or separate compartment(s), when performed
Also known as:
- Large Bone Graft
- Bone Grafts
- Major Bone Grafting
- Autograft
- Allograft
CPT Codes:
- 20902: Bone graft, any donor area; major or large
Also known as:
- Hip Joint Exploration and Foreign Body Removal
- Open Hip Joint Surgery
- Hip Arthrotomy
- Removal of Loose Body from Hip
CPT Codes:
- 27033: Arthrotomy, hip, including exploration or removal of loose or foreign body
Also known as:
- Deep Pelvic or Thigh Bone Infection Removal
- Osteomyelitis Surgery
- Bone Abscess Excision
- Ilium Resection
- Femur Trochanter Removal
CPT Codes:
- 27071: Partial excision, wing of ilium, symphysis pubis, or greater trochanter of femur, (craterization, saucerization) (eg, osteomyelitis or bone abscess); deep (subfascial or intramuscular)
Also known as:
- Bone Cyst or Benign Tumor Removal (Pelvis/Thigh)
- Ilium Bone Tumor Excision
- Pubic Bone Cyst Removal
- Femur Trochanter Tumor Surgery
CPT Codes:
- 27065: Excision of bone cyst or benign tumor, wing of ilium, symphysis pubis, or greater trochanter of femur; superficial, includes autograft, when performed
Also known as:
- Total Hip Replacement
- Hip Replacement
- Hip arthroplasty
- Artificial hip surgery
- Hip joint replacement
- Femoral head replacement
CPT Codes:
- 27130: Arthroplasty, acetabular and proximal femoral prosthetic replacement (total hip arthroplasty), with or without autograft or allograft
Also known as:
- Joint or Bursa Injection/Fluid Removal
- Arthrocentesis
- Major Joint Aspiration
- Bursa Injection
- Joint Fluid Removal
CPT Codes:
- 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance
Also known as:
- Hip Joint Injection with Anesthesia
- Anesthesia
- Diagnostic Imaging
- Hip arthrogram injection
- Diagnostic hip injection
- Hip pain injection
CPT Codes:
- 27095: Injection procedure for hip arthrography; with anesthesia
Also known as:
- Hip Arthrography Injection
- Diagnostic Imaging
- Hip Contrast Injection
- Arthrography of Hip
- Hip Joint Dye Injection
- Hip Joint Imaging Injection
CPT Codes:
- 27093: Injection procedure for hip arthrography; without anesthesia
Also known as:
- Removal of Deep Surgical Implant
- Hardware Removal Surgery
- Buried Implant Extraction
- Orthopedic Implant Removal
CPT Codes:
- 20680: Removal of implant; deep (eg, buried wire, pin, screw, metal band, nail, rod or plate)
Also known as:
- Total Shoulder Replacement
- Glenohumeral Arthroplasty
- Shoulder Joint Replacement
- Proximal Humeral Replacement
- Artificial Shoulder Surgery
CPT Codes:
- 23472: Arthroplasty, glenohumeral joint; total shoulder (glenoid and proximal humeral replacement (eg, total shoulder))
Also known as:
- Capsular Contracture Release
- Joint Capsule Release
- Sever Procedure
- Contracture Release Surgery
CPT Codes:
- 23020: Capsular contracture release (eg, Sever type procedure)
Also known as:
- Open Repair of Hip Bone Fracture (Greater Trochanter)
- Greater Trochanteric Fracture Surgery
- Hip Fracture Fixation
- Broken Hip Bone Surgery
- Trochanteric Fracture Repair
CPT Codes:
- 27248: Open treatment of greater trochanteric fracture, includes internal fixation, when performed
Also known as:
- Revision Total Knee Replacement
- Knee Arthroplasty Revision
- Failed Knee Replacement Surgery
- Knee Implant Exchange
CPT Codes:
- 27487: Revision of total knee arthroplasty, with or without allograft; femoral and entire tibial component
Also known as:
- Peripheral Nerve Block
- Femoral Nerve Block Injection
- Nerve injection
- Pain relief injection
- Steroid injection for nerve pain
- Femoral nerve injection
- Thigh nerve block
- Pain relief injection for thigh
- Nerve block with imaging guidance
CPT Codes:
- 64450: Injection(s), anesthetic agent(s) and/or steroid; other peripheral nerve or branch
- 64447: Injection(s), anesthetic agent(s) and/or steroid; femoral nerve, including imaging guidance, when performed
Also known as:
- Knee Nerve Pain Injection
- Genicular Nerve Block
- Knee Pain Steroid Injection
- Knee Nerve Anesthetic Injection
CPT Codes:
- 64454: Injection(s), anesthetic agent(s) and/or steroid; genicular nerve branches, including imaging guidance, when performed
Also known as:
- Brachial Plexus Nerve Block
- Shoulder Nerve Injection
- Arm Pain Injection
- Imaging-Guided Nerve Block
CPT Codes:
- 64415: Injection(s), anesthetic agent(s) and/or steroid; brachial plexus, including imaging guidance, when performed
Also known as:
- Drug Delivery Implant Insertion
- Medication Implant Placement
- Bioresorbable Drug Implant
- Contraceptive Implant Insertion
CPT Codes:
- 11981: Insertion, drug-delivery implant (ie, bioresorbable, biodegradable, non-biodegradable)
Also known as:
- Computer-Assisted Orthopedic Surgery
- Image-Guided Orthopedic Surgery
- Navigational Orthopedic Procedure
- Robotic Orthopedic Surgery
CPT Codes:
- 0055T: Computer-assisted musculoskeletal surgical navigational orthopedic procedure, with image-guidance based on CT/MRI images (List separately in addition to code for primary procedure)
Does Dr. Tchejeyan accept my insurance?
Dr. Tchejeyan accepts most major insurance plans. Important: Please call our office at (805) 495-3687 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tchejeyan accept in Thousand Oaks, CA?
Dr. Tchejeyan in Thousand Oaks, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Express Scripts
Humana
Medicare
OptumRx
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Tchejeyan's office located?
Dr. Gregory Tchejeyan's Primary Practice
250 Lombard St Ste 1
Thousand Oaks, CA 91360
(805) 495-3687
What is Dr. Tchejeyan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tchejeyan's National Provider Identifier (NPI) number is 1689668188.
What common questions do patients ask about Dr. Tchejeyan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tchejeyan
What is Dr. Gregory Tchejeyan's specialty?
Dr. Tchejeyan is a Specialist near Thousand Oaks, CA. Contact Dr. Tchejeyan to book an appointment today.
Is this Dr. Gregory Tchejeyan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tchejeyan is affiliated with Los Robles Regional Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Specialist?
Explore Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gregory Tchejeyan accepting new patients in Thousand Oaks, CA?
Yes, Dr. Gregory Tchejeyan is accepting new patients at this time.
Does Dr. Gregory Tchejeyan offer online booking?
Please contact Dr. Tchejeyan's office at (805) 495-3687 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Tchejeyan?
Please contact Dr. Tchejeyan's office at (805) 495-3687 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gregory Tchejeyan have?
Dr. Gregory Tchejeyan is certified by the American Board of Orthopaedic Surgery.
Other Specialist Near Thousand Oaks, CA
RN
Specialist
Accepting patientsDr. Russell Nelson, MD is a Specialist, who primarily practices in Thousand Oaks, CA.
Thousand Oaks, CA
MM
Specialist
Accepting patientsDr. Michelle Marine, MD is a Specialist, who primarily practices in Thousand Oaks, CA with 1 additional practice location.
Thousand Oaks, CA
JS
Hematology / Oncology Specialist
Accepting patients
Book OnlineDr. Juan Sanchez, MD is a Hematology / Oncology Specialist, who primarily practices in Thousand Oaks, CA with 2 additional practice locations. He has been practicing for over 36 years.
Thousand Oaks, CA
BOOK APPOINTMENT