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KAREN LEANN O'BRIEN RN, MSN, ACNP-BC
NPI 1922282649
Nurse Practitioner - Acute Care in Sugar Land, TX

Active since December 18, 2007
16655 SOUTHWEST FWY, NP OFFICE 1301, SUGAR LAND, TX 77479(281) 274-7958 Get Directions Write a Review

NPPES record last updated: December 18, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Karen Leann O'brien Rn, Msn, Acnp-bc NPPES

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

KAREN LEANN O'BRIEN RN, MSN, ACNP-BC (NPI 1922282649) is an individual acute care provider in Sugar Land, Texas, licensed in Texas (596205) and active in the NPI registry since December 2007.

NPPES Registry Identity

NPI1922282649
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKAREN LEANN O'BRIENCredential: RN, MSN, ACNP-BC
Location Address16655 SOUTHWEST FWY, NP OFFICE 1301Sugar Land, TX 77479-2329
Mailing Address16655 Southwest Fwy, Np Office 1301Sugar Land, TX 77479-2329 · (281) 274-7958
Phone(281) 274-7958
Sole ProprietorNo
Enumeration DateDecember 18, 2007
✔ NPI 1922282649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · 596205
16655 SOUTHWEST FWY, Sugar Land, TX 77479
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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.

SAIF K ALTAIE MD
Internal Medicine
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-7000
ANITA MOMIN SUNESARA
Nurse Practitioner (Acute Care)
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-7000
DORCAS ANN RUPERT RDCS
Technician, Other
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (936) 414-3707
RAY JOHN DE LEON
Nurse Anesthetist, Certified Registered
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-2000
ANDREW MICHAEL PSYK M.D.
Emergency Medicine
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-7117
BLESSY OOMMEN RN
Registered Nurse (Pain Management)
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 236-9571
JOHN S. RAJKUMAR M.D.
Emergency Medicine
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-7117
METHODIST HEALTH CENTERS
Pharmacy (Home Infusion Therapy Pharmacy)
16655 SOUTHWEST FWY
SUGAR LAND, TX 77479
Fort Bend County (281) 274-7045

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 Karen O'brien's NPI number?

The NPI number for Karen O'brien is 1922282649. It was assigned to this individual provider in the NPPES registry on December 18, 2007.

Where is Karen O'brien located?

Karen O'brien practices at 16655 Southwest Fwy Np Office 1301, Sugar Land, TX 77479. The listed phone number is (281) 274-7958.

What is Karen O'brien'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 Karen O'brien was last updated on December 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.