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

Mr. Tarcisio Calibo Diaz, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1346379583

Mr. Tarcisio Calibo Diaz, MD is an Endocrinology in Corona, California. Graduated from Perelman School of Med at the University of Pennsylvania in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

900 S Main St Ste 100
Corona, CA 92882-3401
Phone: (951) 738-9081
Fax: (951) 738-9081
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A46295 (CA)

Record details

NPI number1346379583
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 5, 2007
Last updated in NPPESJanuary 13, 2025
Certification dateJanuary 13, 2025

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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