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

MS. MANWAH MAUREEN SIU MS, LCPC, NCC, LPC
NPI 1437131935
Counselor - Professional in Austin, TX

Q: What is Manwah Siu's NPI number?

The NPI number for Manwah Siu is 1437131935. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Q: What is Manwah Siu's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for Manwah Siu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.

Active since November 18, 2005

604B W 9TH ST, AUSTIN, TX 78701(512) 203-7601(512) 255-6383 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Ms. Manwah Maureen Siu Ms, Lcpc, Ncc, Lpc NPPES

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

MS. MANWAH MAUREEN SIU MS, LCPC, NCC, LPC (NPI 1437131935) is an individual professional provider in Austin, Texas, licensed in Texas (17629) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1437131935

Entity TypeIndividualFemale

Primary Taxonomy101YP2500X

Provider Legal NameMS. MANWAH MAUREEN SIUCredential: MS, LCPC, NCC, LPC

Location Address604B W 9TH STAustin, TX 78701-2212

Mailing AddressPo Box 49198Austin, TX 78765-9198 · (512) 203-7601 · Fax (512) 255-6383

Phone(512) 203-7601

Fax(512) 255-6383

Sole ProprietorNo

Enumeration DateNovember 18, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1437131935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in TX · 17629

604B W 9TH ST, Austin, TX 78701

Open in Google Maps ↗

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.

JILL G. CHRISMAN PH.D.

Psychologist (Counseling)

604B W 9TH ST
AUSTIN, TX 78701

Travis County (512) 797-0795

LORA FERGUSON L.P.C.

Counselor (Professional)

604B W 9TH ST
AUSTIN, TX 78701

Travis County (512) 694-9298

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 Manwah Siu's NPI number?

The NPI number for Manwah Siu is 1437131935. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Where is Manwah Siu located?

Manwah Siu practices at 604B W 9th St, Austin, TX 78701. The listed phone number is (512) 203-7601.

What is Manwah Siu's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Manwah Siu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.