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

Lea Margaret Thies, FNP

Individual provider Nurse Practitioner · NPI 1710266804

Lea Margaret Thies, FNP is a Nurse Practitioner in Marathon, Florida. Qualified in 2008, 18 years ago. Practices with Baptist Health Medical Group Upper Keys LLC, a 25-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
18
Licensed in
FL
In the registry since
2011
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

3303 Overseas Hwy Ste 100
Marathon, FL 33050-2329
Phone: (305) 434-1400
Fax: (305) 743-0962
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence APRN11036184 (FL)

Record details

NPI number1710266804
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 8, 2011
Last updated in NPPESJanuary 15, 2025
Certification dateJanuary 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Baptist Health Medical Group Upper Keys Llc — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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