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

Silvana Marisa Giannelli, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1821295247

Silvana Marisa Giannelli, MD is an Endocrinology in Rancho Cucamonga, California. Qualified in 2005, 21 years ago. Works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
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

10807 Laurel St Ste 200
Rancho Cucamonga, CA 91730-0633
Phone: (909) 757-8078
Fax: (909) 244-9652
Show map & directions

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

Additional practice locations (1)

  • 11370 Anderson St Ste 3400, Loma Linda, CA 92354 — (909) 558-2838

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A109512 (CA)

Record details

NPI number1821295247
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESMay 13, 2025
Certification dateMay 13, 2025
Mailing address10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730-0633

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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