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

Mrs. Brett Ashley Mastromatteo, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1619487857

Mrs. Brett Ashley Mastromatteo, FNP-BC is a Nurse Practitioner in West Palm Beach, Florida. Qualified in 2017, 9 years ago. Practices with Gastro Health, LLC, a 250-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
9
Licensed in
FL
In the registry since
2017
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

1117 N Olive Ave Ste 203
West Palm Beach, FL 33401-3520
Phone: (561) 802-9050
Fax: (305) 675-3378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN9340168 (FL)

Record details

NPI number1619487857
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedOctober 2, 2017
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 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 Gastro Health, Llc — 250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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