DOROTHY LEIGH GEFFKEN PMHNP-BC
NPI 1689268898
Nurse Practitioner - Psychiatric/Mental Health in Sparta, NJ
About Dorothy Leigh Geffken Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOROTHY LEIGH GEFFKEN PMHNP-BC (NPI 1689268898) is an individual psychiatric/mental health provider in Sparta, New Jersey, licensed in New Jersey (26NJ01460800) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dorothy Leigh Geffken Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Dorothy Geffken reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sparta, NJ 07871
- Reassigned Medicare billing, New Jersey enrollment
- 3 clinicians in this Medicare group
Montclair, NJ 07042
- Reassigned Medicare billing, New Jersey enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07871 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPARTA, NJ 07871
SPARTA, NJ 07871
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dorothy Geffken's NPI number?
The NPI number for Dorothy Geffken is 1689268898. It was assigned to this individual provider in the NPPES registry on February 28, 2021.
Where is Dorothy Geffken located?
Dorothy Geffken practices at 351 Sparta Ave Ste 201, Sparta, NJ 07871. The listed phone number is (862) 362-6408.
What is Dorothy Geffken's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Dorothy Geffken enrolled in Medicare?
Yes. Dorothy Geffken is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dorothy Geffken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Geffken reassigns Medicare benefits to 2 organizations: Heart Mind Body (Sparta, NJ) and Mental Health Association Of Essex And Morris, Inc. (Montclair, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorothy Geffken's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dorothy Geffken accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Dorothy Geffken as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Dorothy Geffken was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dorothy Leigh Geffken, PMHNP-BC · NPI 1689268898
Psychiatric/Mental Health physician in Sparta, New Jersey. Individual provider, active in the CMS NPPES registry since February 28, 2021.
## Identity
- **NPI:** 1689268898 (Entity type: Individual)
- **Enumerated:** February 28, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 26NJ01460800 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 351 SPARTA AVE STE 201, Sparta, NJ 07871-1160
- **Phone:** (862) 362-6408 · **Fax:** (973) 957-3222
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Heart Mind Body (NPI 1013606235, Sparta, NJ); Mental Health Association Of Essex And Morris, Inc. (NPI 1790721108, Montclair, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689268898) · Data from the CMS NPPES public registry.