Individual provider Active NPI

Sarah Whitcomb Macarthur, M.D.

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1275760365
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
273819 Issued in NY
Practice address
550 First Avenue
New York, NY 10016-6402
Phone
(212) 263-5506
NPI assigned
Jun 16, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 273819 NY Primary

Addresses

Primary practice location

550 First Avenue
New York, NY 10016-6402

Mailing address

93 Adelphi St
Brooklyn, NY 11205-2388
Phone (917) 518-9769

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20150805008310 NY Practitioner - Internal MedicinePractitioner - Hospitalist 4587978432 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Columbia University College of Physicians and Surgeons, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

6511 Spring Brook Ave
Rhinebeck, NY 12572-3709
Phone (845) 876-3001

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
81.38 of 100Reported as group
Quality
63.01
Promoting interoperability
98
Improvement activities
40
Cost
72.3

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
New York University Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Nuvance Health Medical Practice PC Internal Medicine CurrentSince Jul 3, 2023 Accepting new patients
New York University Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Northern Dutchess Hospital Past Accepting new patients

Locations

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

45 Reade Pl
Fl 2
Poughkeepsie, NY 12601
Phone (845) 483-6001

6511 Spring Brook Ave
Rhinebeck, NY 12572
Phone (845) 871-3368

Organizations & group practices 4

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 4

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": "1245110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1275760365",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "93 ADELPHI ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112052388",
            "telephone_number": "917-518-9769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 FIRST AVENUE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-5506"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACARTHUR",
        "first_name": "SARAH",
        "middle_name": "WHITCOMB",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-16",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "273819",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.