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

Sandra P Mertz, RN, IBCLC

Individual provider Lactation Consultant (Registered Nurse) · NPI 1033242862

Sandra P Mertz, RN, IBCLC is a Lactation Consultant (Registered Nurse) in Havre de Grace, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
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

533 Majestic Prince Cir
Havre de Grace, MD 21078-2795
Phone: (443) 668-4377
Fax: (443) 729-0620
Show map & directions

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

Specialties & licences

Lactation Consultant (Registered Nurse) (primary) Taxonomy 163WL0100X · Licence R198259 (MD)

Record details

NPI number1033242862
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , IBCLC
Sole proprietorYes
NPI enumeratedMarch 13, 2007
Last updated in NPPESJuly 30, 2012