Kirschenbaum & Sieler LLC

Primary specialty

Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X

Legal business name

KIRSCHENBAUM & SIELER LLC

Practice address

557 Cranbury Road
Suite 10
East Brunswick, NJ 08816

Phone

(732) 238-8800

Fax

(732) 238-8246

NPI assigned

Dec 17, 2024

Organization subpart

No

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

Authorized official

Name

David Kirschenbaum, M.D.NPI 1639274061

Title

Owner

Phone

(732) 238-8800

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

Enrollment records 1

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• David Kirschenbaum, M.D.

  • Orthopaedic Trauma Physician
  • North Brunswick, NJ
  • NPI 1639274061

  Hand Surgery

  Medicare reassignment NPD Authorized official
• Shawn Douglas Sieler, M.D.

  • Sports Medicine (Orthopaedic Surgery) Physician
  • North Brunswick, NJ
  • NPI 1457446916
  Medicare reassignment NPD

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

{
    "created_epoch": "1734393600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1765756800000",
    "number": "1629885264",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "557 CRANBURY ROAD",
            "address_2": "SUITE 10",
            "city": "EAST BRUNSWICK",
            "state": "NJ",
            "postal_code": "08816",
            "telephone_number": "732-238-8800",
            "fax_number": "732-238-8246"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "557 CRANBURY ROAD",
            "address_2": "SUITE 10",
            "city": "EAST BRUNSWICK",
            "state": "NJ",
            "postal_code": "08816",
            "telephone_number": "732-238-8800",
            "fax_number": "732-238-8246"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KIRSCHENBAUM & SIELER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-12-17",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A",
        "authorized_official_last_name": "KIRSCHENBAUM",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "732-238-8800",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207XS0106X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sue Yeon Kim, M.D.
• Taeyun Kim, DDS
• Vesta Kim, OPTICIAN
• Jasmine S King, LSW
• Kelly Elizabeth King
• Jennifer Ashley Klein
• Kenneth S Klein, MD
• Richard Ashley Klein, M.D.
• Donna L Klitzman, MD
• Larisa Klots, DO

• Orthopaedic Hand Surgery Physician in East Brunswick, NJ
• Providers in East Brunswick, NJ by specialty
• Orthopaedic Hand Surgery Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.