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LIAM MULLEN
NPI 1104569789
Counselor - Mental Health in Ashburn, VA

Active since April 20, 2022
20130 LAKEVIEW CENTER PLZ STE 400, ASHBURN, VA 20147(619) 795-9925 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Liam Mullen NPPES

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

LIAM MULLEN (NPI 1104569789) is an individual mental health provider in Ashburn, Virginia and active in the NPI registry since April 2022.

NPPES Registry Identity

NPI1104569789
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameLIAM MULLEN
Location Address20130 LAKEVIEW CENTER PLZ STE 400Ashburn, VA 20147-5905
Mailing Address8885 Rio San Diego Dr Ste 340San Diego, CA 92108-1669 · (619) 795-9925 · Fax (877) 602-5087
Phone(619) 795-9925
Sole ProprietorNo
Enumeration DateApril 20, 2022
Last NPPES UpdateJanuary 23, 2025
NPPES CertifiedJanuary 23, 2025
✔ NPI 1104569789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedBehavior TechnicianTaxonomy 106S00000X
20130 LAKEVIEW CENTER PLZ STE 400, Ashburn, VA 20147
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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.

IVAN RACADAG AGPCNP-BC
Nurse Practitioner (Adult Health)
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (551) 295-8223
ENYONAM JORDAN-BRANGMAN NP
Nurse Practitioner (Psychiatric/Mental Health)
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (804) 207-6737
VIRGINIA CENTER FOR PSYCHOLOGICAL SERVICES PLLC
Clinic/Center (Adult Mental Health)
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (703) 202-1050
NIYAN HOME HEALTHCARE, LLC
Home Health
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (703) 982-0050
KYLEE MARCIELLO
Behavior Technician
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (619) 795-9925
HOPE O'DONNELL
Behavior Technician
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (619) 795-9925
KRISTIN YOSHIKO DATTORIA SLP
Speech-Language Pathologist
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (847) 751-0045
GRACE DORRIAN
Behavior Technician
20130 LAKEVIEW CENTER PLZ STE 400
ASHBURN, VA 20147
Loudoun County (619) 795-9925

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 Liam Mullen's NPI number?

The NPI number for Liam Mullen is 1104569789. It was assigned to this individual provider in the NPPES registry on April 20, 2022.

Where is Liam Mullen located?

Liam Mullen practices at 20130 Lakeview Center Plz Ste 400, Ashburn, VA 20147. The listed phone number is (619) 795-9925.

What is Liam Mullen's specialty?

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

When was this NPI record last updated?

The NPPES record for Liam Mullen was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.