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

Joseph J. Sivak, MD, PLLC

Organization Psychiatry Physician · NPI 1326244609

Joseph J. Sivak, MD, PLLC is a Psychiatry Physician in Duluth, Minnesota. Licensed in Minnesota. Registered with an NPI since 2007.

Licensed in
MN
In the registry since
2007
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

324 W Superior St Ste 505
Duluth, MN 55802-1701
Phone: (218) 740-3061
Fax: (218) 740-3044
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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 43450 (MN)

Record details

NPI number1326244609
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Sivak — Ceo · (218) 740-3061
NPI enumeratedJune 25, 2007
Last updated in NPPESOctober 5, 2007
Mailing address324 W Superior St, Suite 505, Duluth, MN 55802-1701

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