Physician Profile
Unclaimed ProfileAbout Dr. Tham
Based in Fullerton, CA, Allen Y Tham, MD is listed in the NPI registry under hand surgery. Allen is also listed as specializing in orthopaedic surgery and orthopaedic hand surgery. Medicare claims data shows Allen provided 1,196 services to 840 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 626-8630
- Email not available
Practice Locations
2141 N HARBOR BLVD SUITE 35000
Fullerton, CA 92835
Procedures Most Often Billed to Medicare
1,196 services · 840 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
176 |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
46 |
| Closed treatment of broken forearm (radius) bone at the wrist area on the thumb side of the wrist without manipulation | Procedure | 25600 |
24 |
| Incision of tendon covering of finger | Procedure | 26055 |
19 |
| Release and/or relocation of hand nerve | Procedure | 64721 |
17 |
| Incision of tendon covering of finger | Procedure | 26055 |
14 |
| Removal of growth of tendon finger or hand | Procedure | 26160 |
11 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
347 |
| 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 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
185 |
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 2005 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 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 a hand surgeon in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.