NPIMap

Individual provider Active NPI

Catherine Nell Galdun, M.D.

  • Internal Medicine Physician
  • Basking Ridge, NJ
National Provider Identifier
1275951840
Registry record updated Feb 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
288936 Issued in NY
Practice address
136 Mountainview Blvd
Basking Ridge, NJ 07920-3444
Phone
(908) 542-3547
Fax
(908) 522-2230
NPI assigned
Apr 1, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 288936 NY Primary
Internal Medicine Physician 207R00000X 25MA10142400 NJ

Addresses

Primary practice location

136 Mountainview Blvd
Basking Ridge, NJ 07920-3444

Mailing address

136 Mountainview Blvd
Basking Ridge, NJ 07920-3444
Phone (908) 542-3547

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, NY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20170919000126 NJ Practitioner - Internal Medicine 1456625201 Reassigns benefits to 1 organization
I20241220000338 NY Practitioner - Internal Medicine 1456625201 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

136 Mountainview Blvd
Basking Ridge, NJ 07920-3444
Phone (908) 542-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
81.57 of 100Reported as group
Quality
72.31
Improvement activities
40
Cost
76.55

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
288936NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MSK Harrison CurrentSince Oct 14, 2024 Accepting new patients
Mskcc Regional Network CurrentSince Oct 14, 2024 Accepting new patients
Memorial Urgent Care Group Internal Medicine CurrentSince Oct 14, 2024 Accepting new patients
Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey CurrentSince Jul 17, 2017 Accepting new patients
MSK Nassau CurrentSince Oct 14, 2024 Accepting new patients

Locations

136 Mountainview Blvd
Basking Ridge, NJ 07920
Phone (908) 542-3000

650 Commack Rd
Commack, NY 11725
Phone (631) 623-4000

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

633 3rd Ave
Lbby 3
New York, NY 10017
Phone (848) 225-6000

633 3rd Ave
Fl 4
New York, NY 10017
Phone (646) 227-3764

1101 Hempstead Tpke
Uniondale, NY 11553
Phone (516) 559-1000

500 Westchester Ave
West Harrison, NY 10604
Phone (914) 367-7000

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: cgaldun35778@mskcc.direct-ci.com
  • Direct secure messaging: catherine.galdun@chn.eclinicaldirectplus.com

Organizations & group practices 5

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.

Hospital & facility affiliations 6

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": "1396310400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1275951840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "136 MOUNTAINVIEW BLVD",
            "city": "BASKING RIDGE",
            "state": "NJ",
            "postal_code": "079203444",
            "telephone_number": "908-542-3547",
            "fax_number": "908-522-2230"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "136 MOUNTAINVIEW BLVD",
            "city": "BASKING RIDGE",
            "state": "NJ",
            "postal_code": "079203444",
            "telephone_number": "908-542-3547",
            "fax_number": "908-522-2230"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALDUN",
        "first_name": "CATHERINE",
        "middle_name": "NELL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-01",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "288936",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA10142400",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Basking Ridge, NJ

Sources for this page

Verify at the official NPI Registry.