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

Mr. Mark Senior, NCC, ACADC

Individual provider Professional Counselor · NPI 1124455811

Mr. Mark Senior, NCC, ACADC is a Mental Health Counselor in Meridian, Idaho. Qualified in 2000, 26 years ago. Practices as a sole proprietor. Licensed in Idaho.

Years since qualifying
26
Licensed in
ID
In the registry since
2013
Specialties on file
2
What do these letters mean?
NCC — National Certified Counselor
A counsellor certified by the NBCC.

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Practice location Address checks out

1407 W McMillan Rd Ste 120
Meridian, ID 83646-5168
Phone: (208) 870-4627
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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 8321757 (ID)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 11606 (ID)

Record details

NPI number1124455811
Entity typeIndividual (Type 1)
GenderMale
Credentials NCC , ACADC
Sole proprietorYes
NPI enumeratedSeptember 26, 2013
Last updated in NPPESOctober 28, 2025
Certification dateOctober 28, 2025
Mailing address2020 S Luxury Ln Apt J306, Meridian, ID 83642-4423

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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