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

Sidney S Thimm, LPCC

Individual provider Mental Health Counselor · NPI 1306709555

Sidney S Thimm, LPCC is a Mental Health Counselor in Duluth, Minnesota. Qualified in 2023, 3 years ago. Practices with Human Development Center, a 40-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
3
Licensed in
MN
In the registry since
2025
What do these letters mean?
LPCC — Licensed Professional Clinical Counselor
The title some states use for a licensed clinical counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

120 W 2nd St
Duluth, MN 55802-2017
Phone: (218) 728-4491
Fax: (218) 728-4404
Show map & directions

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

Additional practice locations (5)

  • 40 11th St, Cloquet, MN 55720-1817 — (218) 879-4559
  • 810 E 4th St, Duluth, MN 55805-2147 — (218) 728-4491
  • 1401 East 1st Street, Duluth, MN 55805 — (218) 728-4491
  • 4720 Burning Tree Rd, Duluth, MN 55811-2634 — (218) 740-5300
  • 325 11th Ave, Two Harbors, MN 55616-1300 — (218) 834-5520

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 5252 (MN)

Record details

NPI number1306709555
Entity typeIndividual (Type 1)
GenderFemale
Credentials LPCC
Sole proprietorNo
NPI enumeratedDecember 4, 2025
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025
Mailing address1401 East 1st Street, Duluth, MN 55805-2407

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Human Development Center — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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