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

Dorothy Leigh Geffken

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1689268898

Dorothy Leigh Geffken is a Nurse Practitioner in Newton, New Jersey. Qualified in 2022, 4 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
4
Licensed in
NJ
In the registry since
2021

Practice location Address checks out

14 Church St
Newton, NJ 07860
Phone: (973) 600-5487
Fax: (973) 957-3222
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 26NJ01460800 (NJ)

Record details

NPI number1689268898
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 28, 2021
Last updated in NPPESOctober 18, 2023
Certification dateOctober 17, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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