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TIDEMARK THERAPY PLLC
NPI 1275939001
Clinic/Center in Denison, TX

Active since November 05, 2014
305 W WOODARD ST STE 201, DENISON, TX 75020(903) 265-8545(903) 487-0600 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 17, 2024, Mar 5, 2024, Sep 12, 2022 and 3 more (6 updates tracked since 2021).

About Tidemark Therapy Pllc NPPES

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

TIDEMARK THERAPY PLLC (NPI 1275939001), doing business as Brittainy A. Wagner, Lpc, is a healthcare organization registered as a clinic/center in Denison, Texas and active in the NPI registry since November 2014. The organization maintains 7 additional practice locations and lists Brittainy A Wagner, Owner Provider, as its authorized official.

NPPES Registry Identity

NPI1275939001
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameTIDEMARK THERAPY PLLC
Location Address305 W WOODARD ST STE 201Denison, TX 75020-3136
Mailing Address305 W Woodard St Ste 201Denison, TX 75020-3276 · (903) 265-8545 · Fax (903) 487-0600
Phone(903) 265-8545
Fax(903) 487-0600
Organization SubpartNo
Authorized OfficialBrittainy A WagnerOwner Provider · (903) 267-4023
Enumeration DateNovember 5, 2014
Last NPPES UpdateFebruary 24, 20266 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2026
✔ NPI 1275939001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
Also ListedPsychologistTaxonomy 103T00000X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X
Also ListedClinic/Center · Multi-SpecialtyTaxonomy 261QM1300X
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X
305 W WOODARD ST STE 201, Denison, TX 75020
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Other Names 1

Doing Business AsBrittainy A. Wagner, Lpc

Secondary Practice Locations 7

Location 1305 W Woodard St Ste 209Denison, TX 75020-3136 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 2305 W Woodard St Ste 213Denison, TX 75020-3136 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 3618 Clara Barton Blvd Ste 7Garland, TX 75042-5731 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 43500 Oak Lawn Ave Ste 2000Dallas, TX 75219-4308 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 510777 Westheimer Rd Ste 1100Houston, TX 77042-3462 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 63256 Southern Dr Ste 461Garland, TX 75043-1533 · Phone (903) 265-8545 · Fax (903) 487-0600
Location 72318 Firewheel Parkway Suite 2000Garland, TX 75040 · Phone (903) 265-8545 · Fax (903) 487-0600

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Other Providers at the Same Location NPPES 3

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

SARAH RUTHERFORD LPC
Counselor (Professional)
305 W WOODARD ST STE 201
DENISON, TX 75020
Grayson County (903) 265-8545
DR. DAISY BLAGG PSYD
Psychologist (Clinical)
305 W WOODARD ST STE 201
DENISON, TX 75020
Grayson County (903) 462-0032
TEXOMA PSYCHOLOGICAL SERVICES PLLC
Psychologist (Clinical)
305 W WOODARD ST STE 201
DENISON, TX 75020
Grayson County (903) 462-0032

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 Tidemark Therapy PLLC's NPI number?

The NPI number for Tidemark Therapy PLLC is 1275939001. It was assigned to this organization in the NPPES registry on November 5, 2014. The provider is doing business as Brittainy A. Wagner, LPC.

Where is Tidemark Therapy PLLC located?

Tidemark Therapy PLLC is located at 305 W Woodard St Ste 201, Denison, TX 75020. The listed phone number is (903) 265-8545.

What is Tidemark Therapy PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

What insurance does Tidemark Therapy PLLC accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Tidemark Therapy PLLC 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 Tidemark Therapy PLLC was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.