Quick answers
- Which hospitals does Mackenzie M. Van Loon work at?
- Medicare's official clinician data lists Mackenzie M. Van Loon at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mackenzie M. Van Loon see patients?
- Medicare's clinician data lists 1 practice location in Stanford, CA. Call before your visit to confirm the address.
- What is Mackenzie M. Van Loon's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mackenzie M. Van Loon accept Medicare assignment?
- Yes. Medicare's clinician data says Mackenzie M. Van Loon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Mackenzie M. Van Loon offer telehealth?
- Medicare's clinician data says Mackenzie M. Van Loon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mackenzie M. Van Loon?
- (650) 723-4000, as listed in official Medicare / NPI Registry data.
- What is Mackenzie M. Van Loon's NPI number?
- 1922560002. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mackenzie M. Van Loon works
Medicare's Facility Affiliation Data lists Mackenzie M. Van Loon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Mackenzie M. Van Loon is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
Group practices
Medicare enrollment lists Mackenzie M. Van Loon as a member of this group (CMS data updated 2026-10-02).
- Stanford Health Care3,122 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stanford
Clinicians with the same Medicare primary specialty in Stanford, CA — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922560002 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians