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

Mary Ann Knott-Grasso, MS, CPNP

Individual provider Nurse Practitioner · NPI 1679790810

Mary Ann Knott-Grasso, MS, CPNP is a Nurse Practitioner in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
CPNP — Certified Pediatric Nurse Practitioner
A nurse practitioner certified in paediatrics.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Harriet Lane Clinic Johns Hopkins University 200 North Wolfe Strret # 1058
Baltimore, MD 21287
Phone: (410) 955-5710
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R066260 (MD)

Record details

NPI number1679790810
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CPNP
Sole proprietorNo
NPI enumeratedApril 19, 2007
Last updated in NPPESJuly 9, 2007

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