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Edit this profileAt a glance
- 2141 N Harbor Blvd, Suite 35000, Fullerton, CA 92835
About Dr. Tham
Based in Fullerton, CA, Allen Y. Tham, MD is listed in the NPI registry under orthopaedic hand surgery. Allen is also listed as specializing in orthopaedic surgery. Medicare claims data shows Allen provided 1,196 services to 840 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1578715801 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
- (714) 626-8630
- Email not available
Practice Locations
2141 N HARBOR BLVD SUITE 35000
Fullerton, CA 92835
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 Arthritis
- Kienbock's Disease
- Stiff Fingers
- Hand and Wrist Arthritis
- Wrist sprain
Congenital
- Extra or Webbed Fingers
Fractures & Injuries
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Black Toenail
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
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
- Hand Lump
- Ganglion Cyst In Hand Or Wrist
Nails
- Nail Bed Injury
Nerves
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
- Carpal tunnel
- Cubital tunnel syndrome
Tendons
- Intersection Syndrome
- Swan Neck Deformity
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Mallet Finger
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Circulation
Infections
- Infected 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
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Hand therapy
- Tendon Sheath Injection
Joint surgery
- Finger Bone Spur Removal
- Thumb Base Joint Replacement
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
- Thumb Ligament Repair
Minor procedures
- Finger Dislocation Reset
- Foreign Object Removal from Hand
Nail procedures
- Nail Bed Repair
- Blood Under Toenail Drainage
Nerve surgery
- Hand Neuroma Surgery
- Minimally Invasive Carpal Tunnel Release
Orthopedics
Pain management
- Wrist Denervation Surgery
Spine & Orthopedics
Tendon surgery
- Jersey Finger Repair
- Tendon Scar Tissue Release
Tendon Surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Thumb Tendon Release
- Dupuytren contracture surgery
- Tennis Elbow Surgery
- Trigger finger 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
Nerve Surgery
Procedures Most Often Billed to Medicare
1,196 services · 840 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
176 | More often than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
46 | As often as other peers in Orthopaedic Hand Surgery |
| Closed treatment of broken forearm (radius) bone at the wrist area on the thumb side of the wrist without manipulation | Procedure | 25600 |
24 | More often than most peers in Orthopaedic Hand Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
19 | As often as other peers in Orthopaedic Hand Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
17 | Less often than most peers in Orthopaedic Hand Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
14 | As often as other peers in Orthopaedic Hand Surgery |
| Removal of growth of tendon finger or hand | Procedure | 26160 |
11 | Less often than most peers in Orthopaedic Hand Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
347 | As often as other peers in Orthopaedic Hand Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
191 | More than most peers in Orthopaedic Hand Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
185 | As often as other 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.
Other orthopaedic hand surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
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 — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection into tendon or ligament 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Tham specialize in?
Dr. Tham is an orthopaedic hand surgeon in Fullerton, 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. Tham located?
Dr. Tham is listed at 2141 N Harbor Blvd Suite 35000, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tham's phone number?
The number on file is (714) 626-8630. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Tham?
Dr. Tham's National Provider Identifier is 1578715801. 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. Tham go to medical school?
Dr. Tham attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tham have?
Dr. Tham has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tham do most often?
According to Medicare billing data, Dr. Tham performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and closed treatment of broken forearm bone at the wrist area on the thumb side of the wrist without manipulation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tham's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tham. If this is you, claiming it is free.
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