Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mary Louise Warren, RN, CNS-CC

Individual provider Critical Care Medicine Clinical Nurse Specialist · NPI 1780949628

Mary Louise Warren, RN, CNS-CC is a Critical Care Medicine Clinical Nurse Specialist in Houston, Texas. Licensed in Texas. Registered with an NPI since 2012.

Licensed in
TX
In the registry since
2012
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

1515 Holcombe Blvd
Houston, TX 77030-4009
Phone: (713) 792-6161
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine Clinical Nurse Specialist (primary) Taxonomy 364SC0200X · Licence 543912 (TX)

Record details

NPI number1780949628
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , CNS-CC
Sole proprietorNo
NPI enumeratedJuly 6, 2012
Last updated in NPPESNovember 1, 2012