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

Individual provider Internal Medicine Physician · NPI 1538172358

MS. Lilybeth Calingasan Sistoza, MD is an Internal Medicine in Fontana, California. Qualified in 1989, 37 years ago. Practices with Charlie Y Sonido M D LLC, an 18-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

17264 Foothill Blvd Ste A B
Fontana, CA 92335-9051
Phone: (909) 428-3900
Fax: (909) 428-3903
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A78188 (CA)

Record details

NPI number1538172358
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESFebruary 12, 2017

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Charlie Y Sonido M D Llc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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