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Edit this profileAt a glance
- 160 E Artesia St Ste 255, Pomona, CA 91767
About Winston Hsieh
Winston Hsieh is a physician assistant practicing in Pomona, CA. Winston trained at University of Southern California Keck School of Medicine, graduating in 2023. Medicare claims data shows Winston provided 90 services to 73 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, treatment of broken neck of thigh bone with bone implant, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1457085763.
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
- (909) 596-4346
- Email not available
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Practice Locations
160 E ARTESIA ST STE 255
Pomona, CA 91767
Procedures Most Often Billed to Medicare
90 services · 73 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Treatment of broken neck of thigh bone with bone implant | Procedure | 27245 |
16 | As often as other peers in Physician Assistant |
| Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement | Procedure | 27236 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Physician Assistant |
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.
Related specialists at this location 6
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.
Other physician assistants in Pomona 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Treatment of broken neck of thigh bone with bone implant 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Winston Hsieh specialize in?
Winston Hsieh is a physician assistant in Pomona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Winston Hsieh located?
Winston Hsieh is listed at 160 E Artesia St Ste 255, Pomona, CA 91767. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Winston Hsieh's phone number?
The number on file is (909) 596-4346. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Winston Hsieh?
Winston Hsieh's National Provider Identifier is 1457085763. 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 Winston Hsieh train?
Winston Hsieh attended University of Southern California Keck School of Medicine, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Winston Hsieh have?
Winston Hsieh has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What does Winston Hsieh do most often?
According to Medicare billing data, Winston Hsieh performs procedures including treatment of broken neck of thigh bone with bone implant and treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Winston Hsieh's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Winston Hsieh. If this is you, claiming it is free.
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