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

Mrs. Mary Howell, MSN, RN, CPNP

Individual provider Pediatric Nurse Practitioner · NPI 1396975439

Mrs. Mary Howell, MSN, RN, CPNP is a Pediatric Nurse Practitioner in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2009.

Licensed in
MO
In the registry since
2009
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
CPNP — Certified Pediatric Nurse Practitioner
A nurse practitioner certified in paediatrics.

See every abbreviation used in this directory →

Practice location Address checks out

1465 S Grand Blvd
Saint Louis, MO 63104-1003
Phone: (314) 268-6439
Fax: (314) 268-2765
Show map & directions

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

Specialties & licences

Pediatric Clinical Nurse Specialist (primary) Taxonomy 364SP0200X · Licence 083231 (MO)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence 98300 (MO)

Record details

NPI number1396975439
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN , CPNP
Sole proprietorNo
NPI enumeratedJuly 23, 2009
Last updated in NPPESJuly 23, 2009

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