TRANQUILLIUM, LLC.
NPI 1497544951
Marriage & Family Therapist in Glenn Dale, MD

Q: What is Tranquillium, LLC.'s NPI number?

The NPI number for Tranquillium, LLC. is 1497544951. It was assigned to this organization in the NPPES registry on May 1, 2025.

Q: What is Tranquillium, LLC.'s specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Active since May 01, 2025

9701 HARBOR AVE, GLENN DALE, MD 20769(202) 810-3439(240) 233-8843 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Tranquillium, Llc. NPPES

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

TRANQUILLIUM, LLC. (NPI 1497544951) is a healthcare organization registered as a marriage & family therapist in Glenn Dale, Maryland and active in the NPI registry since May 2025. The organization lists Bernadette Boozer-madison, Owner, as its authorized official.

NPPES Registry Identity

NPI1497544951

Entity TypeOrganization

Primary Taxonomy106H00000X

Legal Business NameTRANQUILLIUM, LLC.

Location Address9701 HARBOR AVEGlenn Dale, MD 20769-2105

Mailing Address1319 F St Nw Ste 301Washington, DC 20004-1140 · (202) 810-3439 · Fax (240) 233-8843

Phone(202) 810-3439

Fax(240) 233-8843

Organization SubpartNo

Authorized OfficialBernadette Boozer-madisonOwner · (202) 810-3439

Enumeration DateMay 1, 2025

Last NPPES UpdateApril 16, 2026

NPPES CertifiedApril 16, 2026

✔ NPI 1497544951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

9701 HARBOR AVE, Glenn Dale, MD 20769

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Tranquillium, LLC.'s NPI number?

The NPI number for Tranquillium, LLC. is 1497544951. It was assigned to this organization in the NPPES registry on May 1, 2025.

Where is Tranquillium, LLC. located?

Tranquillium, LLC. is located at 9701 Harbor Ave, Glenn Dale, MD 20769. The listed phone number is (202) 810-3439.

What is Tranquillium, LLC.'s specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Tranquillium, LLC. was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.