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

Mark Jonathan Oldenburg, LPC

Individual provider Professional Counselor · NPI 1275261935

Mark Jonathan Oldenburg, LPC is a Mental Health Counselor in Juneau, Wisconsin. Qualified in 2023, 3 years ago. Licensed in Wisconsin.

Years since qualifying
3
Licensed in
WI
In the registry since
2022
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

199 County Road Df Fl 3
Juneau, WI 53039-9512
Phone: (920) 386-4094
Fax: (920) 386-4564
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 12445 (WI)

Record details

NPI number1275261935
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC
Sole proprietorNo
NPI enumeratedAugust 10, 2022
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026
Mailing address900 Fox Creek Dr Apt 5, Watertown, WI 53098-1314

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)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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