Individual provider Active NPI

Aaron N Holmes

  • Hospitalist Physician
  • New York, NY
National Provider Identifier
1679222079
Registry record updated Jul 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
325544 Issued in NY
Practice address
525 E 68TH St
New York, NY 10065-4870
Phone
(212) 746-5454
NPI assigned
Mar 22, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2025

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 325544 NY
Hospitalist Physician 208M00000X 325544 NY Primary

Addresses

Primary practice location

525 E 68TH St
New York, NY 10065-4870

Mailing address

525 E 68TH St
New York, NY 10065-4870

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
I20250930001967 NY Practitioner - HospitalistPractitioner - Internal Medicine 6507362571 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Connecticut School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians
Weill Medical College of CornellGroup PAC ID 6800709023, 2,023 clinicians

Practice addresses (Care Compare)

100 E 77TH St
New York, NY 10075-1850

111 E 77TH St
New York, NY 10075-1850
Phone (212) 434-3966

300 Community Dr
Manhasset, NY 11030-3816

300 Community Dr LL
Manhasset, NY 11030-3816
Phone (516) 562-2229

330 Community Dr
Manhasset, NY 11030-3816
Phone (516) 708-2550

350 Community Dr
Manhasset, NY 11030-3816
Phone (516) 562-3845

525 E 68TH St
New York, NY 10065-4870
Phone (646) 962-3376

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Weill Medical College of Cornell CurrentSince Aug 15, 2025 Accepting new patients
North Shore-Lij Medical PC Internal Medicine CurrentSince Sep 17, 2025 Accepting new patients
Weill Medical College of Cornell Internal Medicine Current Accepting new patients
Weill Medical College of Cornell Internal Medicine CurrentSince Aug 15, 2025 Accepting new patients

Locations

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

1305 York Ave
Fl 8
New York, NY 10021
Phone (646) 962-3176

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

505 E 70th St
New York, NY 10021
Phone (212) 746-2900

300 Community Dr
Plandome, NY 11030

Networks

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

Interoperability endpoints

  • Direct secure messaging: aholmes117436@mskcc.direct-ci.com

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 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": "1647907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1679222079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870",
            "telephone_number": "212-746-5454"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLMES",
        "first_name": "AARON",
        "middle_name": "N",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-22",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "325544",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "325544",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.