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

Nastassia Nasha Postell, ARNPFNP-BCPMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1396232484

Nastassia Nasha Postell, ARNPFNP-BCPMHNP-BC is a Nurse Practitioner in Marathon, Florida. Qualified in 2017, 9 years ago. Practices with Guidance/CARE Center, Inc, a 7-clinician group and accepts Medicare assignment. Licensed in Florida, Georgia and Louisiana.

Years since qualifying
9
Licensed in
FL, GA, LA
In the registry since
2018
Specialties on file
5

Practice location Address checks out

3000 41st Street Ocean
Marathon, FL 33050-2373
Phone: (305) 434-7660
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence ARNP9229407 (FL)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence APRN9229407 (FL)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence GAA-NP005459 (GA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 227451 (LA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 227451 (LA)

Record details

NPI number1396232484
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNPFNP-BCPMHNP-BC
Sole proprietorNo
NPI enumeratedApril 16, 2018
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Guidance/Care Center, Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Marathon