Physician Profile
Andrew R. Hsu, MD
Unclaimed ProfileAbout Dr. Hsu
Based in Orange, CA, Andrew R. Hsu, MD is listed in the NPI registry under orthopaedic foot & ankle surgery. Andrew graduated from Stanford University School of Medicine in 2009. Andrew is also listed as specializing in orthopaedic surgery. Medicare claims data shows Andrew provided 3,081 services to 1,959 patients. The services billed most often include removal of noncancer thickened skin growth, 2-4 growths, removal of fingernails or toenails, 6 or more nails, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
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
- (650) 906-8923
- Email not available
Practice Locations
101 THE CITY DR S BLDG 29A
Orange, CA 92868
Procedures Most Often Billed to Medicare
3,081 services · 1,959 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
431 | Too few peers to compare |
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
422 | Too few peers to compare |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
235 | Too few peers to compare |
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
234 | Too few peers to compare |
| Simple separation of fingernail or toenail from nail bed, first nail | Procedure | 11730 |
185 | Too few peers to compare |
| Simple separation of fingernail or toenail from nail bed, each additional nail | Procedure | 11732 |
168 | Too few peers to compare |
| Simple separation of fingernail or toenail from nail bed, first nail | Procedure | 11730 |
113 | Too few peers to compare |
| Simple separation of fingernail or toenail from nail bed, each additional nail | Procedure | 11732 |
109 | Too few peers to compare |
| Removal of fingernails or toenails, 1-5 nails | Procedure | 11720 |
23 | Too few peers to compare |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
23 | Too few peers to compare |
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 orthopaedic foot & ankle surgeons in Orange 5
Same specialty, same city.
Trained at Stanford University School of Medicine 1
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2009 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of noncancer thickened skin growth, 2-4 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Hsu specialize in?
Dr. Hsu is an orthopaedic foot & ankle surgeon in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Foot & Ankle Surgery”.
NPI registry
Where is Dr. Hsu located?
Dr. Hsu is listed at 101 the City Dr S Bldg 29A, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hsu's phone number?
The number on file is (650) 906-8923. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hsu?
Dr. Hsu's National Provider Identifier is 1497983761. 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. Hsu go to medical school?
Dr. Hsu attended Stanford University School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hsu have?
Dr. Hsu has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hsu do most often?
According to Medicare billing data, Dr. Hsu performs procedures including removal of noncancer thickened skin growth, 2-4 growths, removal of fingernails or toenails, 6 or more nails and simple separation of fingernail or toenail from nail bed, first nail, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hsu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hsu. 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.