Are you James B. Chen, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 26401 Crown Valley Pkwy Ste 101, Mission Viejo, CA 92691
About Dr. Chen
Based in Mission Viejo, CA, James B. Chen, M.D. is listed in the NPI registry under orthopedic surgery. James graduated from University of California, Geffen School of Medicine in 2015. James is also listed as specializing in orthopaedic adult reconstructive surgery. According to Medicare claims data, James cared for 2,412 Medicare patients across 7,202 services. The services billed most often include hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1104210152 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (949) 348-4000
- Email not available
Practice Locations
26401 CROWN VALLEY PKWY STE 101
Mission Viejo, CA 92691
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
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
7,202 services · 2,412 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
204 | More often than most peers in Orthopedic Surgery |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
126 | More often than most peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
60 | As often as other peers in Orthopedic Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
50 | More often than most peers in Orthopedic Surgery |
| Computer-assisted surgery for muscle and bone procedure | Procedure | 20985 |
34 | As often as other peers in Orthopedic Surgery |
| X-ray of knee, 4 or more views | Imaging | 73564 |
327 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
306 | More often than most peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
163 | As often as other peers in Orthopedic Surgery |
| X-ray of hip, 1 view | Imaging | 73501 |
152 | More often than most peers in Orthopedic Surgery |
| Mri scan of leg joint without contrast | Imaging | 73721 |
42 | More often than most peers in Orthopedic 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 orthopedic surgeons at this location 3
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 — 30 related providers in 4 groups
Other orthopedic surgeons in Mission Viejo 6
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is James B. Chen?
James B. Chen is an orthopedic surgeon in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
What is James B. Chen's address?
James B. Chen is listed at 26401 Crown Valley Pkwy Ste 101, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with James B. Chen?
The number on file is (949) 348-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James B. Chen's NPI number?
James B. Chen's National Provider Identifier is 1104210152. 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 James B. Chen train?
James B. Chen attended University of California, Geffen School of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has James B. Chen been practicing?
James B. Chen has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does James B. Chen perform?
According to Medicare billing data, James B. Chen performs procedures including aspiration and/or injection of fluid from large joint, aspiration and/or injection of fluid large joint using ultrasound guidance and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has James B. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James B. Chen. If this is you, claiming it is free.
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