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

Heather D McElwain, RN

Individual provider Registered Nurse · NPI 1548746126

Heather D McElwain, RN is a Registered Nurse in Marathon, Florida. Licensed in Oklahoma. Registered with an NPI since 2018.

Licensed in
OK
In the registry since
2018
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

3000 41st Street Ocean
Marathon, FL 33050-2373
Phone: (305) 766-4660
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence R0120409 (OK)

Record details

NPI number1548746126
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 17, 2018
Last updated in NPPESJuly 17, 2018
Mailing address800 35th Street Ocean, Marathon, FL 33050-2393

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