Provider Profile
Listed in the NPI registry as a physician assistant, Mackenzie M. Van Loon, PA-C practices in Stanford, CA. Mackenzie is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Mackenzie cared for 87 Medicare patients across 88 services. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. NPI 1922560002 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
300 PASTEUR DR
Stanford, CA 94305
2425 Samaritan Dr
San Jose, CA 95124
88 services · 87 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
48 | As often as other peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
40 | 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 M. Van Loon is a physician assistant in Stanford, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mackenzie M. Van Loon is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Mackenzie M. Van Loon's National Provider Identifier is 1922560002. 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 M. Van Loon attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
Mackenzie M. Van Loon has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mackenzie M. Van Loon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 M. Van Loon. If this is you, claiming it is free.
Guide.md
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