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Edit this profileAt a glance
- 3000 Colby St, Suite 106, Berkeley, CA 94705
About Dr. Chen
Based in Berkeley, CA, Christopher J. Chen, MD is listed in the NPI registry under orthopedic surgery. Christopher graduated from Washington University School of Medicine in 1996. Christopher is also listed as specializing in orthopaedic adult reconstructive surgery. Medicare claims data shows Christopher provided 1,486 services to 1,157 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1396734505 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
- (510) 647-1200
- Email not available
Practice Locations
3000 COLBY ST SUITE 106
Berkeley, CA 94705
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
1,486 services · 1,157 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
87 | As often as other peers in Orthopedic Surgery |
| Computer-assisted surgery for muscle and bone procedure | Procedure | 20985 |
86 | More often than most peers in Orthopedic Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
53 | More often than most peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
33 | Less often than most peers in Orthopedic Surgery |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
55 | Too few peers to compare |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
134 | Less often than most peers in Orthopedic Surgery |
| Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Drug given | J0702 |
38 | Less often than most peers in Orthopedic Surgery |
| Injection, lidocaine hcl for intravenous infusion, 10 mg | Drug given | J2001 |
33 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
421 | More often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
316 | 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.
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.
Other orthopedic surgeons in Berkeley 6
Same specialty, same city.
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at Washington University 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 does Dr. Chen specialize in?
Dr. Chen is an orthopedic surgeon in Berkeley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 3000 Colby St Suite 106, Berkeley, CA 94705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (510) 647-1200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chen?
Dr. Chen's National Provider Identifier is 1396734505. 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. Chen go to medical school?
Dr. Chen attended Washington University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chen have?
Dr. Chen has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen performs procedures including aspiration and/or injection of fluid from large joint, computer-assisted surgery for muscle and bone procedure and replacement of thigh bone and hip joint with prosthesis; reads or performs imaging such as imaging guidance for procedure, 60 minutes or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
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