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

Individual provider Physician Assistant · NPI 1508960543

Diane Marie Niestepski, PA is a Physician Assistant in Hackettstown, New Jersey. Qualified in 2000, 26 years ago. Practices with North Jersey Sports Medicine and Orthopedic Center, LLC, a 28-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
26
Licensed in
NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

653 Willow Grove St Ste 2000
Hackettstown, NJ 07840-1732
Phone: (908) 684-3005
Fax: (908) 684-3301
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 25MP00157300 (NJ)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence 25MP00157300 (NJ)

Record details

NPI number1508960543
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESMarch 19, 2019

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice North Jersey Sports Medicine And Orthopedic Center, Llc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Hackettstown