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

Individual provider Family Nurse Practitioner · NPI 1265801377

John Mazzei, FNP is a Nurse Practitioner in Poughkeepsie, New York. Qualified in 2015, 11 years ago. Practices with Premier Medical Group of the Hudson Valley PC, a 135-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
11
Licensed in
NY
In the registry since
2015
What do these letters mean?
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

74 W Cedar St
Poughkeepsie, NY 12601
Phone: (845) 454-6174
Fax: (845) 454-5371
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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 F339830 (NY)

Record details

NPI number1265801377
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedSeptember 18, 2015
Last updated in NPPESFebruary 20, 2017
Mailing address74 West Cedar St, Poughkeepsie, NY 12601

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Premier Medical Group Of The Hudson Valley Pc — 135 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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