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

MS. DANIELLE J. HALOULOS NP
NPI 1649114497
Nurse Practitioner - Acute Care in Houston, TX

Active since April 14, 2026
1631 N LOOP WEST, SUITE 245, HOUSTON, TX 77008(713) 486-8150(713) 486-8155 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Danielle J. Haloulos Np NPPES

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

MS. DANIELLE J. HALOULOS NP (NPI 1649114497) is an individual acute care provider in Houston, Texas, licensed in Texas (1233905) and active in the NPI registry since April 2026. She maintains a secondary practice location in Katy.

NPPES Registry Identity

NPI1649114497
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. DANIELLE J. HALOULOSCredential: NP
Location Address1631 N LOOP WEST, SUITE 245Houston, TX 77008-1528
Mailing Address6400 Fannin St, Ste 2070Houston, TX 77030 · (713) 486-8000 · Fax (713) 486-8088
Fax(713) 486-8155
Sole ProprietorNo
Enumeration DateApril 14, 2026
Last NPPES UpdateJune 16, 2026
NPPES CertifiedJune 16, 2026
NPI 1649114497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in TX · 1233905
Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License 897440 (TX)
1631 N LOOP WEST, Houston, TX 77008

Secondary Practice Location 1

Location 123960 Katy Freeway, Suite 450Katy, TX 77494-0895 · Phone (713) 486-7980 · Fax (713) 486-8085

Other Providers at the Same Location NPPES 3

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

Internal Medicine (Nephrology)
1631 N LOOP WEST, STE 460
HOUSTON, TX 77008
Psychiatry & Neurology (Neurology)
1631 N LOOP WEST, SUITE 245
HOUSTON, TX 77008
Internal Medicine (Pulmonary Disease)
1631 N LOOP WEST, SUITE 600
HOUSTON, TX 77008

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 Danielle Haloulos's NPI number?

The NPI number for Danielle Haloulos is 1649114497. It was assigned to this individual provider in the NPPES registry on April 14, 2026.

Where is Danielle Haloulos located?

Danielle Haloulos practices at 1631 N Loop West Suite 245, Houston, TX 77008. The listed phone number is (713) 486-8150.

What is Danielle Haloulos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Danielle Haloulos was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 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.