Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Johannelda Jamora Diaz, MSN-FNP

Individual provider Family Nurse Practitioner · NPI 1457850141

Johannelda Jamora Diaz, MSN-FNP is a Nurse Practitioner in Ewing, New Jersey. Qualified in 2017, 9 years ago. Practices with Uhs of Hampton Inc, a 16-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
9
Licensed in
NJ
In the registry since
2018
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Practice location Address checks out

1440 Pennington Rd Ste 1
Ewing, NJ 08618-2669
Phone: (609) 890-1050
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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 26NJ00790600 (NJ)

Record details

NPI number1457850141
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN-FNP
Sole proprietorYes
NPI enumeratedFebruary 7, 2018
Last updated in NPPESFebruary 7, 2018

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 Uhs Of Hampton Inc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients83
Services billed 422 a service is one billed item, such as a visit, a test or a procedure
Average patient age59

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Uhs of Hampton Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 16 clinicians in the practice; 10 are shown here.

Other providers in Ewing