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

Ilona Sylvester, MD

Individual provider Internal Medicine Physician · NPI 1215959291

Ilona Sylvester, MD is an Internal Medicine Physician in Ventura, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

200 S Wells Rd Ste 200
Ventura, CA 93004-1377
Phone: (805) 659-1740
Fax: (805) 659-9959
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A055316 (CA)

Record details

NPI number1215959291
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESMarch 22, 2013

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