Active NPI
Sarah Whitcomb Macarthur, M.D.
- Internal Medicine Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 273819
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
- Hudson Valley Hospice
- Northern Dutchess Hospital
- Vassar Brothers Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.38 of 100
- 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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Internal Medicine | Current | Accepting new patients |
| Nuvance Health Medical Practice PC | Internal Medicine | Current | Accepting new patients |
| New York University | Internal Medicine | Current | 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.
-
- Internal Medicine Physician
- Poughkeepsie, NY
- NPI 1437358033
-
- Cardiovascular Disease Physician
- Boynton Beach, FL
- NPI 1285826438
Internal Medicine, NY
-
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
Internal Medicine
-
- General Acute Care Hospital
- Rhinebeck, NY
- NPI 1124072715
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- Poughkeepsie, NY
- NPI 1508866286
-
- General Acute Care Hospital
- Rhinebeck, NY
- NPI 1124072715
-
- General Acute Care Hospital
- Poughkeepsie, NY
- NPI 1740233899
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 2025; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.