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

Dr. Mary S Leffell, PHD, ABMLI, ABHI

Individual provider Specialist · NPI 1013053867

Dr. Mary S Leffell, PHD, ABMLI, ABHI is a Specialist in Baltimore, Maryland. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2041 E Monument St
Baltimore, MD 21205-2222
Phone: (410) 955-3600
Fax: (410) 955-0431
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1013053867
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , ABMLI , ABHI
Sole proprietorNo
NPI enumeratedJanuary 29, 2007
Last updated in NPPESJuly 8, 2007

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