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

Dr. Mark Swoiskin, MD

Individual provider Psychiatry Physician · NPI 1144352493

Dr. Mark Swoiskin, MD is a 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

655 Redwood Hwy Ste 255
Mill Valley, CA 94941-3025
Phone: (415) 384-0612
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G66057 (CA)

Record details

NPI number1144352493
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 12, 2007
Last updated in NPPESJuly 8, 2007

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