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

Hollyn Zammit Gregory, MSN, FNP

Individual provider Family Nurse Practitioner · NPI 1144621095

Hollyn Zammit Gregory, MSN, FNP is a Nurse Practitioner in Mason, Ohio. Graduated from University of Cincinnati College of Medicine in 2014, 12 years ago. Practices with City of Cincinnati, a 25-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
12
Trained at
University of Cincinnati College of Medicine
Licensed in
OH
In the registry since
2014
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

5100 Terra Firma Dr
Mason, OH 45040-8087
Phone: (513) 492-5787
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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 COA.16461-NP (OH)

Record details

NPI number1144621095
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP
Sole proprietorNo
NPI enumeratedSeptember 10, 2014
Last updated in NPPESSeptember 10, 2014

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice City Of Cincinnati — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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