Physician Profile
Yen Hsun Chen, MD
Unclaimed ProfileAbout Dr. Chen
Yen Hsun Chen, MD is a healthcare provider in Alhambra, CA specializing in orthopaedic hand surgery. Yen Hsun is also listed as specializing in student in an organized health care education program. Medicare claims data shows Yen Hsun provided 10,725 services to 2,168 patients. The services billed most often include hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care.
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
- (626) 282-1600
- Email not available
Practice Locations
707 S GARFIELD AVE
Alhambra, CA 91801
Conditions Commonly Evaluated or Treated
Within Hand 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
Arthritis & Joints
- Bone Spur on Finger
- Hand and Wrist Arthritis
- Hand Arthritis
- Kienbock's Disease
- Stiff Fingers
- Wrist sprain
Circulation
- Cold Sensitive Fingers and Toes
Congenital
- Extra or Webbed Fingers
Fractures & Injuries
- Black Toenail
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
Infections
- Infected Finger
Injuries
- Boxer's Knuckle
- Crushed Hand Injury
- Foreign Object in Hand
- Hand Compartment Syndrome
- Jersey Finger
- Sprained Finger
Lumps & Bumps
- Bone Tumor in Hand
- Finger Cyst
Lumps & Masses
- Ganglion Cyst In Hand Or Wrist
- Hand Lump
Nails
- Nail Bed Injury
Nerves
- Carpal tunnel
- Cubital tunnel syndrome
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
Tendons
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Intersection Syndrome
- Mallet Finger
- Swan Neck Deformity
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Procedures & services
Bone surgery
- Ulnar Shortening Surgery
Cyst & Lump Removal
- Ganglion Cyst Removal
- Removal of a soft-tissue mass
Fracture Repair
- Boxer's Fracture Fixation
- Broken Finger Surgery
- Scaphoid Fracture Surgery
- Wrist fracture fixation
Injections
- Cortisone Shot for Finger
- Cortisone Shot for Wrist
- Xiaflex Injection for Dupuytren's
Injections & Therapy
- Custom Hand Splinting
- Hand therapy
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Tendon Sheath Injection
Joint surgery
- Finger Bone Spur Removal
- Thumb Base Joint Replacement
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Thumb Ligament Repair
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
Minor procedures
- Finger Dislocation Reset
- Foreign Object Removal from Hand
Nail procedures
- Blood Under Toenail Drainage
- Nail Bed Repair
Nerve Surgery
- Carpal tunnel surgery
- Cubital tunnel decompression
- Nerve Repair Surgery
Nerve surgery
- Hand Neuroma Surgery
- Minimally Invasive Carpal Tunnel Release
Pain management
- Wrist Denervation Surgery
Tendon Surgery
- Dupuytren contracture surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Tennis Elbow Surgery
- Thumb Tendon Release
- Trigger finger release
Tendon surgery
- Jersey Finger Repair
- Tendon Scar Tissue Release
Trauma & Reconstruction
- Drainage of Finger Infection
- Extra Finger Removal
- Fingertip Reconstruction
- Severed Finger Reattachment
- Webbed Finger Separation
Wound repair
- Skin Graft for Hand Wound
Procedures Most Often Billed to Medicare
10,725 services · 2,168 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
303 | More than most peers in Orthopaedic Hand Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
146 | More often than most peers in Orthopaedic Hand Surgery |
| Application of elbow to finger cast | Procedure | 29075 |
48 | More than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
40 | As often as other peers in Orthopaedic Hand Surgery |
| Injection into tendon at attachment to bone or muscle | Procedure | 20551 |
18 | As often as other peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
17 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
195 | More than most peers in Orthopaedic Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
114 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
111 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
65 | More often than most peers in Orthopaedic Hand 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.
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.
More connections — 8 related providers in 1 group
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 orthopaedic hand surgeon in Alhambra, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Hand Surgery”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 707 S Garfield Ave, Alhambra, CA 91801. 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 (626) 282-1600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chen?
Dr. Chen's National Provider Identifier is 1396122487. 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 Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chen have?
Dr. Chen has 11 years experience. Calculated from a graduation year of 2015, 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, injection into tendon or ligament and application of elbow to finger cast; reads or performs imaging such as x-ray of wrist, minimum of 3 views and x-ray of hand, minimum of 3 views; provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and therapy procedure using manual technique, each 15 minutes, 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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.