Physician Profile
Joseph Mendelis, MD
Unclaimed ProfileAbout Dr. Mendelis
Joseph Mendelis, MD practices orthopaedic surgery in Westlake Village, CA. Joseph is also listed as specializing in orthopaedic surgery of the spine. Medicare claims data shows Joseph provided 1,987 services to 1,630 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, x-ray of lower and sacral spine, minimum of 4 views, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 497-7015
- Email not available
Practice Locations
30870 RUSSELL RANCH RD STE 330
Westlake Village, CA 91362
1250 Waters Pl 11th Floor
Bronx, NY 10461
400 Parnassus Ave Fl 3
San Francisco, CA 94143
3605 Alamo St Ste 200
Simi Valley, CA 93063
19950 Rinaldi St Ste 100
Northridge, CA 91326
375 Rolling Oaks Dr Ste 210
Thousand Oaks, CA 91361
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Arthritis
- Carpal tunnel
- Rotator cuff tear
- Sciatica
- Torn Achilles tendon
- Torn ACL
- Torn meniscus
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
- Ankle fracture
- Ankle sprain
- Heel pain
Hip
- Hip labral tear
- Lateral hip pain and trochanteric bursitis
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
- Stress fracture
Trauma and bone
- Bone fractures
- Osteoporosis
Foot & Ankle
- Bunions
Spine
- Herniated disc
- Scoliosis
- Spinal stenosis
Procedures & services
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Evaluation and nonsurgical
- Cast placement and management
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Bunion surgery
Hand & Wrist
- De Quervain's Release
Hand and upper extremity
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Injections & Non-Surgical
- Knee Joint Injection
- PRP Injection
Injections & pain relief
- Cortisone Shot for Joint Pain
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Trauma and fixation
- Open reduction and internal fixation
Procedures Most Often Billed to Medicare
1,987 services · 1,630 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
22 | As often as other peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
21 | Less often than most peers in Orthopaedic Surgery |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
19 | Less often than most peers in Orthopaedic Surgery |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
19 | Less often than most peers in Orthopaedic Surgery |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
13 | Less often than most peers in Orthopaedic Surgery |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
337 | More than most peers in Orthopaedic Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
100 | More often than most peers in Orthopaedic Surgery |
| X-ray of upper spine, 4-5 views | Imaging | 72050 |
94 | More than most peers in Orthopaedic Surgery |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
38 | More often than most peers in Orthopaedic Surgery |
| X-ray of middle spine, 2 views | Imaging | 72070 |
23 | As often as other peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopaedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other orthopaedic surgeons in Westlake Village 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Mendelis specialize in?
Dr. Mendelis is an orthopaedic surgeon in Westlake Village, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where is Dr. Mendelis located?
Dr. Mendelis is listed at 30870 Russell Ranch Rd Ste 330, Westlake Village, CA 91362. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mendelis's phone number?
The number on file is (805) 497-7015. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mendelis?
Dr. Mendelis's National Provider Identifier is 1467847525. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mendelis go to medical school?
Dr. Mendelis attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mendelis have?
Dr. Mendelis has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mendelis do most often?
According to Medicare billing data, Dr. Mendelis performs procedures including partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment, partial removal of spine bone with release of spinal cord and/or nerves, each additional segment and insertion of cage or mesh device to spine bone and disc space during spine fusion; reads or performs imaging such as x-ray of lower and sacral spine, minimum of 4 views and x-ray of lower and sacral spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mendelis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mendelis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.