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

Dr. Leon Carlos Cruz Castaneda, MD

Individual provider Internal Medicine Physician · NPI 1942629399

Dr. Leon Carlos Cruz Castaneda, MD is an Internal Medicine in San Jose, California. Graduated from Stanford University School of Medicine in 2014, 12 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

250 Hospital Pkwy
San Jose, CA 95119-1103
Phone: (408) 972-7412
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Pasteur Dr, Stanford, CA 94305-2200 — (650) 723-6661

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A137528 (CA)

Record details

NPI number1942629399
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2014
Last updated in NPPESDecember 17, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in San Jose