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

Mark D Sheahan, MS, CAAR, LMHC

Individual provider Mental Health Counselor · NPI 1194201368

Mark D Sheahan, MS, CAAR, LMHC is a Mental Health Counselor in Vancouver, Washington. Qualified in 2018, 8 years ago. Licensed in Washington.

Years since qualifying
8
Licensed in
WA
In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science degree.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

19120 SE 34th St Ste 201
Vancouver, WA 98683-1430
Phone: (971) 380-4283
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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 · Licence LH61061856 (WA)

Record details

NPI number1194201368
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , CAAR , LMHC
Sole proprietorNo
NPI enumeratedJuly 11, 2018
Last updated in NPPESMarch 13, 2026
Certification dateMarch 13, 2026

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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