MR. MARK SENIOR NCC, ACADC
NPI 1124455811
Counselor - Professional in Meridian, ID

Active since September 26, 2013PECOS Enrolled
1407 W MCMILLAN RD STE 120, MERIDIAN, ID 83646(208) 870-4627 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Mark Senior Ncc, Acadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MARK SENIOR NCC, ACADC (NPI 1124455811) is an individual professional provider in Meridian, Idaho, licensed in Idaho (8321757) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1124455811
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameMR. MARK SENIORCredential: NCC, ACADC
Location Address1407 W MCMILLAN RD STE 120Meridian, ID 83646-5168
Mailing Address2020 S Luxury Ln Apt J306Meridian, ID 83642-4423 · (208) 870-4627
Sole ProprietorYes
Medical School CMSOtherGraduated 2000
Enumeration DateSeptember 26, 2013
Last NPPES UpdateOctober 28, 2025
NPPES CertifiedOctober 28, 2025
NPI 1124455811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in ID · 8321757
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 11606 (ID)
1407 W MCMILLAN RD STE 120, Meridian, ID 83646

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Mark Senior Ncc, Acadc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5890264014
PECOS Enrollment IDI20260518001982
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1407 W MCMILLAN RD STE 120
MERIDIAN, ID 83646
Case Manager/Care Coordinator
1407 W MCMILLAN RD STE 120
MERIDIAN, ID 83646
Social Worker
1407 W MCMILLAN RD STE 120
MERIDIAN, ID 83646
Counselor (Addiction (Substance Use Disorder))
1407 W MCMILLAN RD STE 120
MERIDIAN, ID 83646
Counselor (Professional)
1407 W MCMILLAN RD STE 120
MERIDIAN, ID 83646

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Senior's NPI number?

The NPI number for Mark Senior is 1124455811. It was assigned to this individual provider in the NPPES registry on September 26, 2013.

Where is Mark Senior located?

Mark Senior practices at 1407 W Mcmillan Rd Ste 120, Meridian, ID 83646. The listed phone number is (208) 870-4627.

What is Mark Senior's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Mark Senior enrolled in Medicare?

Yes. Mark Senior is registered in the Medicare PECOS enrollment system.

What insurance does Mark Senior accept?

Health plans from Moda Health Plan, Inc. list Mark Senior as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Senior was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.