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Edit this profileWhere to find Mark S. Hsiao, M.D.
- Alhambra location main office
707 S Garfield Ave Fl 2, Alhambra, CA 91801 - Seattle location
325 9th Ave, Seattle, WA 98104
About Dr. Hsiao
Based in Alhambra, CA, Mark S. Hsiao, M.D. is listed in the NPI registry under orthopedic surgery. Mark graduated from Creighton University School of Medicine in 2011. Mark is also listed as specializing in orthopaedic surgery of the spine. According to Medicare claims data, Mark cared for 148 Medicare patients across 292 services. The services billed most often include electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care, therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1114008984 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
- (626) 282-1600
- Email not available
Practice Locations
707 S GARFIELD AVE FL 2
Alhambra, CA 91801
325 9th Ave
Seattle, WA 98104
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
292 services · 148 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
15 | Less often than most peers in Orthopedic Surgery |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
86 | Less often than most peers in Orthopedic Surgery |
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
44 | Less often than most peers in Orthopedic Surgery |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | Billing code | G0283 |
88 | 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 |
48 | Less often than most peers in Orthopedic Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less 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.
Other orthopedic surgeons at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Creighton University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Creighton University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of lower and sacral spine, 2-3 views 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Mark S. Hsiao's specialty?
Mark S. Hsiao is an orthopedic surgeon in Alhambra, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where can I find Mark S. Hsiao?
Mark S. Hsiao is listed at 707 S Garfield Ave Fl 2, Alhambra, CA 91801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark S. Hsiao?
The number on file is (626) 282-1600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark S. Hsiao's NPI number?
Mark S. Hsiao's National Provider Identifier is 1114008984. 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
What is Mark S. Hsiao's education?
Mark S. Hsiao attended Creighton University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark S. Hsiao been practicing?
Mark S. Hsiao has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Mark S. Hsiao known for?
According to Medicare billing data, Mark S. Hsiao performs imaging including x-ray of lower and sacral spine, 2-3 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
Has Mark S. Hsiao confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Hsiao. If this is you, claiming it is free.
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