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

Joan Maher, CNS, LDN

Individual provider Nutritionist · NPI 1013693944

Joan Maher, CNS, LDN is a Nutritionist in Riverdale, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2023
What do these letters mean?
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

5406 Patterson St
Riverdale, MD 20737
Phone: (508) 904-2557
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence DX5080 (MD)

Record details

NPI number1013693944
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNS , LDN
Sole proprietorYes
NPI enumeratedJune 26, 2023
Last updated in NPPESJune 26, 2023
Certification dateJune 26, 2023
Mailing address5406 Patterson St, Riverdale, MD 20737