Dorothy Leigh Geffken, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

26NJ01460800 Issued in NJ

Practice address

351 Sparta Ave Ste 201
Sparta, NJ 07871-1160

Phone

(862) 362-6408

Fax

(973) 957-3222

NPI assigned

Feb 28, 2021

Last updated

Sep 17, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mental Health Association of Essex and Morris, Inc.Group PAC ID 5597654293, 14 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Heart Mind Body

  • Psychiatric/Mental Health Nurse Practitioner
  • Sparta, NJ
  • NPI 1013606235
  Medicare reassignment NPD Authorized official
• Mental Health Association of Essex and Morris, Inc.

  • Mental Health Counselor
  • Montclair, NJ
  • NPI 1790721108
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1614470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1689268898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "351 SPARTA AVE STE 201",
            "city": "SPARTA",
            "state": "NJ",
            "postal_code": "078711160",
            "telephone_number": "862-362-6408",
            "fax_number": "973-957-3222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "351 SPARTA AVE STE 201",
            "city": "SPARTA",
            "state": "NJ",
            "postal_code": "078711160",
            "telephone_number": "862-362-6408",
            "fax_number": "973-957-3222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEFFKEN",
        "first_name": "DOROTHY",
        "middle_name": "LEIGH",
        "credential": "PMHNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-02-28",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NJ",
            "license": "26NJ01460800",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Colin Gass, BA, MA, LPC
• Michelle Suzette Geffken Rubino, LIFE COACH
• Gentle Dentistry Group PC
• Trevor James George, DPT
• Fiorella Gerbasi
• Bonnie Lynne Gessling, LMBT
• Get Fit With Your Fork LLC

• Psychiatric/Mental Health Nurse Practitioner in Sparta, NJ
• Providers in Sparta, NJ by specialty
• Psychiatric/Mental Health Nurse Practitioner in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.