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

Dr. Preston Pardamean Sitorus, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1194305847

Dr. Preston Pardamean Sitorus, MD is an Internal Medicine in Sylmar, California. Graduated from Un of California, Riverside, School of Medicine in 2021, 5 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment.

Years since qualifying
5
Trained at
Un of California, Riverside, School of Medicine
In the registry since
2021
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

14445 Olive View Dr
Sylmar, CA 91342-1437
Phone: (747) 210-3000
Show map & directions

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

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1194305847
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 8, 2021
Last updated in NPPESApril 8, 2021
Certification dateApril 8, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUN OF CALIFORNIA, RIVERSIDE, SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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