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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.

MR. POOH LIU LCPC
NPI 1891515292
Counselor - Mental Health in Gaithersburg, MD

Active since October 11, 2024
640 E DIAMOND AVE STE D, GAITHERSBURG, MD 20877(240) 883-2504 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 7, 2026, Oct 11, 2024 (2 updates tracked since 2024).

About Mr. Pooh Liu Lcpc NPPES

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

MR. POOH LIU LCPC (NPI 1891515292) is an individual mental health provider in Gaithersburg, Maryland, licensed in Maryland (LC18635) and active in the NPI registry since October 2024.

NPPES Registry Identity

NPI1891515292
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. POOH LIUCredential: LCPC
Location Address640 E DIAMOND AVE STE DGaithersburg, MD 20877-5331
Mailing Address640 E Diamond Ave Ste DGaithersburg, MD 20877-5331 · (240) 883-2504
Phone(240) 883-2504
Sole ProprietorYes
Enumeration DateOctober 11, 2024
Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1891515292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MD · LC18635
640 E DIAMOND AVE STE D, Gaithersburg, MD 20877
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Other Providers at the Same Location NPPES 2

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

GABRIELLE MORRIN LCPC
Counselor (Professional)
640 E DIAMOND AVE STE D
GAITHERSBURG, MD 20877
Montgomery County (301) 252-9048
FAMILY SERVICES, INC.
Health Educator
640 E DIAMOND AVE STE D
GAITHERSBURG, MD 20877
Montgomery County (301) 840-3233

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 Pooh Liu's NPI number?

The NPI number for Pooh Liu is 1891515292. It was assigned to this individual provider in the NPPES registry on October 11, 2024.

Where is Pooh Liu located?

Pooh Liu practices at 640 E Diamond Ave Ste D, Gaithersburg, MD 20877. The listed phone number is (240) 883-2504.

What is Pooh Liu'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 Pooh Liu was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.