Individual provider Active NPI

Ji-Suk Kristen Yoo, D.O.

  • Neurological Surgery Physician
  • Littleton, NH
National Provider Identifier
1275890964
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
24480 Issued in NH
Practice address
580 Saint Johnsbury Rd Ste B
Littleton, NH 03561-3437
Phone
(603) 308-1472
Fax
(603) 640-1228
NPI assigned
Apr 18, 2012
Last updated
Dec 16, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Neurological Surgery Physician 207T00000X 25MB09972300 NJ
Neurological Surgery Physician 207T00000X OS018733 PA
Neurological Surgery Physician 207T00000X 24480 NH Primary

Addresses

Primary practice location

580 Saint Johnsbury Rd Ste B
Littleton, NH 03561-3437

Mailing address

PO Box 810
Hanover, NH 03755-0810
Phone (603) 308-1472

Other practice location 1

90 Bergen St Ste 8100
Newark, NJ 07103-2425
Phone (973) 972-2323

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, NH2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220309001064 NJ Practitioner - Neurosurgery 8729359658 Reassigns benefits to 1 organization
I20231011003981 NH Practitioner - Neurosurgery 8729359658 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians
Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians
Littleton Hospital AssociationGroup PAC ID 6901796556, 111 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

600 Saint Johnsbury Rd
Littleton, NH 03561-3442
Phone (603) 444-9000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion30
Laminectomy or laminotomy (partial removal of spine bones)26

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
OS018733PAMDNeurological Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital Current Accepting new patients
Littleton Hospital Association Current Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Sep 28, 2023 Accepting new patients
Littleton Hospital Association CurrentSince Dec 23, 2023 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Sep 28, 2023 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Sep 28, 2023 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Sep 28, 2023 Accepting new patients
University Physician Associates of New Jersey Inc CurrentSince Dec 1, 2021 Accepting new patients
University Physician Associates of New Jersey Inc Neurological Surgery CurrentSince Dec 1, 2021 Accepting new patients
Littleton Hospital Association CurrentSince Dec 23, 2023 Accepting new patients
Littleton Hospital Association Past Accepting new patients

Locations

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

580 Saint Johnsbury Rd
Littleton, NH 03561
Phone (603) 444-0385

580 Saint Johnsbury Rd
Ste B
Littleton, NH 03561
Phone (603) 259-7700

600 Saint Johnsbury Rd
Littleton, NH 03561
Phone (603) 444-9000

30 Bergen St
#12
Newark, NJ 07107
Phone (973) 972-0037

90 Bergen St
Ste 8100
Newark, NJ 07103
Phone (973) 972-0037

Interoperability endpoints

  • Direct secure messaging: jyoo535125@direct.dartmouth-hitchcock.org

Organizations & group practices 11

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.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1334707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1275890964",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 810",
            "city": "HANOVER",
            "state": "NH",
            "postal_code": "037550810",
            "telephone_number": "603-308-1472"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "580 SAINT JOHNSBURY RD STE B",
            "city": "LITTLETON",
            "state": "NH",
            "postal_code": "035613437",
            "telephone_number": "603-308-1472",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "90 Bergen St Ste 8100",
            "address_purpose": "LOCATION",
            "city": "Newark",
            "state": "NJ",
            "postal_code": "071032425",
            "country_code": "US",
            "telephone_number": "973-972-2323",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOO",
        "first_name": "JI-SUK",
        "middle_name": "KRISTEN",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-04-18",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "NJ",
            "license": "25MB09972300",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "PA",
            "license": "OS018733",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "NH",
            "license": "24480",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Littleton, NH

Sources for this page

Verify at the official NPI Registry.