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

Dr. Henry Arthur Oster, MD

Individual provider Infectious Disease Physician · NPI 1417992223

Dr. Henry Arthur Oster, MD is an Infectious Disease Physician in Ventura, California. Practices as a sole proprietor. Licensed in California.

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

2721 E Main St
Ventura, CA 93003-2803
Phone: (805) 656-6272
Fax: (805) 656-3863
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G33690 (CA)

Record details

NPI number1417992223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 17, 2006
Last updated in NPPESMay 1, 2017
Mailing addressPo Box 3674, Ventura, CA 93006-3674

Other providers in Ventura