Jennifer Nicole Sivitz, MD

Primary specialty

Pediatric Endocrinology PhysicianTaxonomy code 2080P0205X

License

25MA08453800 Issued in NJ

Practice address

75 E Northfield Rd
Livingston, NJ 07039-4532

Phone

(973) 436-1450

Fax

(908) 964-5718

NPI assigned

Jan 5, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jennifer.sivitz.1@2983.direct.athenahealth.com

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

• Summit Medical Group PA

  • Multi-Specialty Clinic/Center
  • Berkeley Heights, NJ
  • NPI 1942254347
  Medicare reassignment NPD
• Summit Medical Group PA

  • Durable Medical Equipment & Medical Supplies
  • Hackensack, NJ
  • NPI 1043930555
  NPD
• Pediatric Specialty Group at the Ambulatory Care Center

  • Pediatric Pulmonology Physician
  • Livingston, NJ
  • NPI 1679521504
  NPD (past)
• Summit Medical Group, Inc

  • Family Medicine Physician
  • Erlanger, KY
  • NPI 1750343216

  Pediatrics

  NPD (past)

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

{
    "created_epoch": "1136419200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1023096450",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 E NORTHFIELD RD",
            "city": "LIVINGSTON",
            "state": "NJ",
            "postal_code": "070394532",
            "telephone_number": "973-436-1450",
            "fax_number": "908-964-5718"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 E NORTHFIELD RD",
            "city": "LIVINGSTON",
            "state": "NJ",
            "postal_code": "070394532",
            "telephone_number": "973-436-1450",
            "fax_number": "908-964-5718"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "30 Prospect Ave",
            "address_purpose": "LOCATION",
            "city": "Hackensack",
            "state": "NJ",
            "postal_code": "07601",
            "country_code": "US",
            "telephone_number": "551-996-5329",
            "fax_number": "551-996-0115",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIVITZ",
        "first_name": "JENNIFER",
        "middle_name": "NICOLE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-05",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "NJ",
            "license": "25MA08453800",
            "primary": true
        },
        {
            "code": "2080B0002X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Obesity Medicine",
            "state": "NJ",
            "license": "25MA08453800",
            "primary": false
        },
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "MA",
            "license": "224967",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "224967",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Samantha Sipler
• Robert Sipzner, M.D.
• Brenda C. Sison, M.D.
• Prabha Sivaprakasam
• Shan Sivendra, MD
• Steven Slattery
• Katherine Slazak, MD
• Sleep Atozzzs LLC
• Small & Associates, Inc.
• Pamela Smallwood

• Pediatric Endocrinology Physician in Livingston, NJ
• Providers in Livingston, NJ by specialty
• Pediatric Endocrinology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.