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

Timmen Cermak, MD

Individual provider Addiction Psychiatry Physician · NPI 1235341330

Timmen Cermak, MD is an Addiction Psychiatry Physician in Mill Valley, 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

239 Miller Ave Ste #1
Mill Valley, CA 94941
Phone: (415) 381-4009
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence G-31376 (CA)

Record details

NPI number1235341330
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 8, 2007
Mailing address239 Miller Avenue, Suite #1, Mill Valley, CA 94941