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

Mr. Mark Wsevolod Isajiw, LCSW

Individual provider Mental Health Counselor · NPI 1437140092

Mr. Mark Wsevolod Isajiw, LCSW is a Mental Health Counselor in APO, Armed Forces Europe. Licensed in Washington. Registered with an NPI since 2005.

Licensed in
WA
In the registry since
2005
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Incomplete address

The federal record is missing the street or ZIP for this provider.

Unit 6180 Box 245
APO, AE 09604-0245
Phone: (043) 430-5321
Fax: (043) 430-5668

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LW00004144 (WA)

Record details

NPI number1437140092
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESJuly 13, 2026

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