Provider Profile
Listed in the NPI registry as a physician assistant, Justin Co practices in Fremont, CA. Medicare claims data shows Justin provided 1,282 services to 1,206 patients. The services billed most often include x-ray of knee, 3 views, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, 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.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2000 MOWRY AVE
Fremont, CA 94538
1,282 services · 1,206 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
47 | More often than most peers in Physician Assistant |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
29 | More often than most peers in Physician Assistant |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
24 | |
| X-ray of knee, 3 views | Imaging | 73562 |
299 | More than most peers in Physician Assistant |
| X-ray of hip, 1 view | Imaging | 73501 |
109 | More than most peers in Physician Assistant |
| X-ray for bone length assessment | Imaging | 77073 |
62 | More often than most peers in Physician Assistant |
| X-ray of knee, 1-2 views | Imaging | 73560 |
59 | More often than most peers in Physician Assistant |
| X-ray of knee, 4 or more views | Imaging | 73564 |
49 | As often as other peers in Physician Assistant |
| X-ray of hip, 2-3 views | Imaging | 73502 |
39 | More often than most peers in Physician Assistant |
| X-ray of both hips, 2 views | Imaging | 73521 |
27 | More 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.
Justin Co is a physician assistant in Fremont, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Justin Co is listed at 2000 Mowry Ave, Fremont, CA 94538. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (510) 818-7200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Justin Co's National Provider Identifier is 1326778093. 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
Justin Co attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Justin Co has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Justin Co performs procedures including replacement of knee joint, both sides of knee, replacement of thigh bone and hip joint with prosthesis and aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of knee, 3 views and x-ray of hip, 1 view, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Justin Co. 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.