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

Joseph E. Hannan Jr., MD

Individual provider Psychiatry Physician · NPI 1417022377

Joseph E. Hannan Jr., MD is a Psychiatry Physician in Santa Rosa, 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

2235 Challenger Way Ste 102
Santa Rosa, CA 95407-5458
Phone: (707) 528-7262
Fax: (707) 576-1964
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C-35267 (CA)

Record details

NPI number1417022377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 22, 2006
Last updated in NPPESJuly 9, 2007
Mailing address2235 Challenger Way, Suite 102, Santa Rosa, CA 95407-5458

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