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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DOROTHY LEIGH GEFFKEN PMHNP-BC
NPI 1689268898
Nurse Practitioner - Psychiatric/Mental Health in Sparta, NJ

Active since February 28, 2021PECOS Enrolled
351 SPARTA AVE STE 201, SPARTA, NJ 07871(862) 362-6408(973) 957-3222 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 17, 2026, Oct 18, 2023, Apr 4, 2023 and 1 more (4 updates tracked since 2021).

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

NPI1689268898
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDOROTHY LEIGH GEFFKENCredential: PMHNP-BC
Location Address351 SPARTA AVE STE 201Sparta, NJ 07871-1160
Mailing Address351 Sparta Ave Ste 201Sparta, NJ 07871-1160 · (862) 362-6408 · Fax (973) 957-3222
Phone(862) 362-6408
Fax(973) 957-3222
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 28, 2021
Last NPPES UpdateSeptember 17, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1689268898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NJ · 26NJ01460800
351 SPARTA AVE STE 201, Sparta, NJ 07871
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6800258104
PECOS Enrollment IDI20230818000958
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

HEART MIND BODY
Nurse Practitioner (Psychiatric/Mental Health)
351 SPARTA AVE STE 201
SPARTA, NJ 07871
Sussex County (862) 362-6408
ANA MARIE TUASON APN
Nurse Practitioner (Psychiatric/Mental Health)
351 SPARTA AVE STE 201
SPARTA, NJ 07871
Sussex County (862) 362-6408

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.

What insurance does Dorothy Geffken accept?

Health plans from Ambetter Health and Ambetter Health of Delaware 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 19 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.