Provider Profile
Mackenzie Jassowski, PA-C is a physician assistant practicing in San Francisco, CA. According to Medicare claims data, Mackenzie cared for 784 Medicare patients across 1,060 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and x-ray of wrist, minimum of 3 views.
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.
3838 CALIFORNIA ST RM 715
San Francisco, CA 94118
1,060 services · 784 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
77 | More often than most peers in Physician Assistant |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
59 | More often than most peers in Physician Assistant |
| Application of elbow to finger cast | Procedure | 29075 |
25 | More often than most peers in Physician Assistant |
| Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device | Procedure | 25609 |
21 | More than most peers in Physician Assistant |
| Transfer of tendon to back of hand | Procedure | 26480 |
12 | |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
151 | More than most peers in Physician Assistant |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
79 | More than most peers in Physician Assistant |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
23 | As often as other peers in Physician Assistant |
| Mri scan of arm joint without contrast | Imaging | 73221 |
12 | |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
160 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mackenzie Jassowski is a physician assistant in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mackenzie Jassowski is listed at 3838 California St Rm 715, San Francisco, CA 94118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 592-2091. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mackenzie Jassowski's National Provider Identifier is 1689261620. 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
Mackenzie Jassowski attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Mackenzie Jassowski has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mackenzie Jassowski performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and application of elbow to finger cast; reads or performs imaging such as x-ray of wrist, minimum of 3 views and x-ray of hand, minimum of 3 views, 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 Mackenzie Jassowski. 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.