Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alex Martinelli, NP

Individual provider Critical Care Medicine Nurse Practitioner · NPI 1871102905

Alex Martinelli, NP is a Nurse Practitioner in Stanford, California. Qualified in 2020, 6 years ago. Practices with University Hospitals St John Medical Center, a 29-clinician group and accepts Medicare assignment. Licensed in California and Wisconsin.

Years since qualifying
6
Licensed in
CA, WI
In the registry since
2020
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95017395 (CA)
Critical Care Medicine Nurse Practitioner Taxonomy 363LC0200X · Licence 185382 (WI)

Record details

NPI number1871102905
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 24, 2020
Last updated in NPPESApril 24, 2023
Certification dateApril 24, 2023
Mailing address300 Pasteur Dr, Stanford, CA 94305-2200

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice University Hospitals St. John Medical Center — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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