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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARA ELIZABETH THORNBERG LPC, LCPC, NCC
NPI 1285395251
Counselor - Mental Health in Denver, CO

Active since January 03, 2022
1500 N GRANT ST STE N, 7670, DENVER, CO 80203(512) 661-2895(406) 258-0551 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 22, 2026, Dec 29, 2025, Oct 28, 2022 and 1 more (4 updates tracked since 2022).

About Mara Elizabeth Thornberg Lpc, Lcpc, Ncc NPPES

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

MARA ELIZABETH THORNBERG LPC, LCPC, NCC (NPI 1285395251) is an individual mental health provider in Denver, Colorado, licensed in Texas (83681) and active in the NPI registry since January 2022.

NPPES Registry Identity

NPI1285395251
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARA ELIZABETH THORNBERGCredential: LPC, LCPC, NCC
Location Address1500 N GRANT ST STE N, 7670Denver, CO 80203-1859
Mailing Address1500 N Grant St Ste N, 7670Denver, CO 80203-1859 · (512) 661-2895 · Fax (406) 258-0551
Phone(512) 661-2895
Fax(406) 258-0551
Sole ProprietorYes
Enumeration DateJanuary 3, 2022
Last NPPES UpdateSeptember 22, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1285395251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in TX · 83681✔ Licensed in MT · BBH-LCPC-LIC-55425✔ Licensed in CO · LPC.0023459
1500 N GRANT ST STE N, Denver, CO 80203
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Other Names 1

Former Name (1)Marah Elizabeth Martinez

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Oscar Insurance Company, UnitedHealthcare.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.

TASHIKIA RICHARDSON RDH
Dental Hygienist
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (407) 693-3218
WHOLEMIND PSYCHIATRY
Nurse Practitioner (Psychiatric/Mental Health)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (508) 292-0232
HAVEN PSYCHIATRY SERVICES, LLC
Nurse Practitioner (Psychiatric/Mental Health)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (704) 526-9334
DOMINIQUE GUILLEN LCSW
Social Worker (Clinical)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (720) 466-3642
WARBLEFOOT LLC
Clinic/Center (Multi-Specialty)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (303) 747-6053
CAROLINE MORALES-FULFORD LSW
Social Worker (Clinical)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (970) 608-4545
LEAD BEHAVIORAL THERAPY CO LLC
Behavior Analyst
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (710) 689-9991
HIGH LINE PSYCHIATRY, PLLC
Clinic/Center (Adult Mental Health)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (720) 806-6779

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 Mara Thornberg's NPI number?

The NPI number for Mara Thornberg is 1285395251. It was assigned to this individual provider in the NPPES registry on January 3, 2022. The provider is also known as Marah Elizabeth Martinez.

Where is Mara Thornberg located?

Mara Thornberg practices at 1500 N Grant St Ste N 7670, Denver, CO 80203. The listed phone number is (512) 661-2895.

What is Mara Thornberg's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Mara Thornberg accept?

Health plans from Blue Cross and Blue Shield of Montana, Oscar Insurance Company and UnitedHealthcare list Mara Thornberg 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 Mara Thornberg was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.