Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Karen Leann O'Brien, RN, MSN, ACNP-BC

Individual provider Acute Care Nurse Practitioner · NPI 1922282649

Karen Leann O'Brien, RN, MSN, ACNP-BC is an Acute Care Nurse Practitioner in Sugar Land, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.

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Practice location Address checks out

16655 SW Fwy Np Ofc 1301
Sugar Land, TX 77479-2329
Phone: (281) 274-7958
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 596205 (TX)

Record details

NPI number1922282649
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MSN , ACNP-BC
Sole proprietorNo
NPI enumeratedDecember 18, 2007
Last updated in NPPESDecember 18, 2007

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