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

Mrs. Mallory G Tallmadge, MSN, RN, ACCNS-AG

Individual provider Acute Care Clinical Nurse Specialist · NPI 1821766908

Mrs. Mallory G Tallmadge, MSN, RN, ACCNS-AG is an Acute Care Clinical Nurse Specialist in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2021.

Licensed in
MD
In the registry since
2021
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.

See every abbreviation used in this directory →

Practice location Address checks out

29 S Greene St
Baltimore, MD 21201-1504
Phone: (410) 328-2864
Show map & directions

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

Specialties & licences

Acute Care Clinical Nurse Specialist (primary) Taxonomy 364SA2100X · Licence CS00131 (MD)

Record details

NPI number1821766908
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN , ACCNS-AG
Sole proprietorNo
NPI enumeratedSeptember 2, 2021
Last updated in NPPESSeptember 2, 2021
Certification dateSeptember 2, 2021

Other providers in Baltimore