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MR. MARK AMBROSIOUS COUNSELOR INTERN
NPI 1811268485
Counselor - Addiction (Substance Use Disorder) in Longview, TX

Active since January 13, 2012
950 N 4TH ST, LONGVIEW, TX 75601(903) 758-0596 Get Directions Write a Review

NPPES record last updated: January 13, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Mark Ambrosious Counselor Intern NPPES

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

MR. MARK AMBROSIOUS COUNSELOR INTERN (NPI 1811268485) is an individual addiction (substance use disorder) provider in Longview, Texas, licensed in Texas (6598) and active in the NPI registry since January 2012.

NPPES Registry Identity

NPI1811268485
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. MARK AMBROSIOUSCredential: COUNSELOR INTERN
Location Address950 N 4TH STLongview, TX 75601-5436
Mailing AddressPo Box 6800Longview, TX 75608-6800 · (903) 758-2471 · Fax (903) 234-1639
Phone(903) 758-0596
Sole ProprietorNo
Enumeration DateJanuary 13, 2012
✔ NPI 1811268485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in TX · 6598
950 N 4TH ST, Longview, TX 75601
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 20

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

SHELLEY ELAINE NORMAN LCDC
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-2471
HOLLYE GOODSON
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-2471
TRISHA THOMPSON
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-0596
BRADEN FRIEDRICH LPC
Counselor (Professional)
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 619-3867
ETHEL MARIE WRIGHT-THOMPSON LCDC
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-0596
SANDRA LEE SEARLE LPC
Counselor (Professional)
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-2471
TONY HALLMARK
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-2471
MR. MITCHELL G GRAYSON LCDC
Counselor (Addiction (Substance Use Disorder))
950 N 4TH ST
LONGVIEW, TX 75601
Gregg County (903) 758-0596

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 Ambrosious's NPI number?

The NPI number for Mark Ambrosious is 1811268485. It was assigned to this individual provider in the NPPES registry on January 13, 2012.

Where is Mark Ambrosious located?

Mark Ambrosious practices at 950 N 4th St, Longview, TX 75601. The listed phone number is (903) 758-0596.

What is Mark Ambrosious's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

What insurance does Mark Ambrosious accept?

Health plans from Blue Cross and Blue Shield of Texas list Mark Ambrosious 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 Ambrosious was last updated on January 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.