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 provides Psychiatry Physician services 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 Not confirmed with CMS for 18 years — call before visiting
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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