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

John Y. Hess, MD

Individual provider Cardiovascular Disease Physician · NPI 1053504910

John Y. Hess, MD is a Cardiovascular Disease Physician in Thousand Oaks, California. Practices as a sole proprietor. Licensed in California.

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

2220 Lynn Rd 201
Thousand Oaks, CA 91360-1904
Phone: (805) 494-9494
Fax: (805) 374-9994
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence G32627 (CA)

Record details

NPI number1053504910
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 23, 2007
Last updated in NPPESAugust 23, 2007
Mailing address2220 Lynn Rd, 201, Thousand Oaks, CA 91360-1904

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