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

Denis Oleshko

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1699231332

Denis Oleshko is a Marriage and Family Therapist in Ashland, Oregon. Qualified in 2019, 7 years ago. Accepts Medicare assignment.

Years since qualifying
7
In the registry since
2019
Specialties on file
2
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Practice location Address checks out

607 Siskiyou Blvd
Ashland, OR 97520-2139
Phone: (541) 482-1718
Fax: (541) 482-0967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1699231332
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 19, 2019
Last updated in NPPESMarch 6, 2019
Mailing address607 Siskiyou Blvd, Ashland, OR 97520-2139

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Ashland