Individual provider Active NPI

Ahmad Yaseen

  • Hospitalist Physician
  • Rochester, NY
National Provider Identifier
1861913691
Registry record updated Aug 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
332443 Issued in NY
Practice address
1555 Long Pond Rd
Rochester, NY 14626-4164
Phone
(585) 723-7870
NPI assigned
Jul 1, 2017
Last updated
Aug 18, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 332443 NY
Hospitalist Physician 208M00000X 332443 NY Primary
Internal Medicine Physician 207R00000X 66443 CT

Addresses

Primary practice location

1555 Long Pond Rd
Rochester, NY 14626-4164

Mailing address

100 Kings Hwy S
Rochester, NY 14617-5504

Other practice location 1

900 Caton Ave
Baltimore, MD 21229-5201
Phone (667) 234-5724

Other practice location 2

263 Farmington Avenue
Farmington, CT 06030-8021
Phone (860) 679-4477

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ayaseen66542@direct.med.uchc.edu

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, NY2 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
I20200827003856 CT Practitioner - Internal Medicine 8325318660 Reassigns benefits to 4 organizations
I20250113000186 NY Practitioner - Hospitalist 8325318660 Reassigns benefits to 2 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
Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians

Practice addresses (Care Compare)

100 Grand St
New Britain, CT 06052-2016
Phone (860) 224-5121

80 Seymour St
Hartford, CT 06102-8000
Phone (860) 972-0549

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hartford Healthcare Medical Group Specialists, PLLC CurrentSince Aug 31, 2020 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley Internal Medicine CurrentSince Oct 1, 2023 Accepting new patients
University of Connecticut Health Center CurrentSince Feb 1, 2023 Accepting new patients
Midstate Medical Center CurrentSince Oct 1, 2023 Accepting new patients
Rochester General Hospital CurrentSince Dec 16, 2024 Accepting new patients
Hartford Healthcare Medical Group Specialists LLC CurrentSince Aug 31, 2020 Accepting new patients
Midstate Medical Center CurrentSince Oct 1, 2023 Accepting new patients
Rochester General Hospital Internal Medicine CurrentSince Dec 16, 2024 Accepting new patients
The Unity Hospital of Rochester CurrentSince Dec 16, 2024 Accepting new patients
University of Connecticut Health Center Internal Medicine CurrentSince Feb 1, 2023 Accepting new patients
The Unity Hospital of Rochester Current Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley CurrentSince Oct 1, 2023 Accepting new patients
University of Connecticut Health Center Past Accepting new patients

Locations

263 Farmington Ave
Farmington, CT 06030
Phone (860) 679-4477

435 Lewis Ave
Meriden, CT 06451
Phone (203) 284-1340

100 Grand St
New Britain, CT 06052
Phone (860) 224-5011

1244 Storrs Rd
Storrs Mansfield, CT 06268
Phone (860) 724-2579

1290 Silas Deane Hwy
Wethersfield, CT 06109
Phone (860) 972-6977

100 Kings Hwy S
Rochester, NY 14617
Phone (585) 922-0553

1425 Portland Ave
Rochester, NY 14621
Phone (585) 922-3122

1555 Long Pond Rd
Rochester, NY 14626
Phone (585) 429-2289

Interoperability endpoints

  • Direct secure messaging: ahmad.yaseen@xdr.hhchealthdirect.org

Organizations & group practices 13

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.

View all 13

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": "1498867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1861913691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 KINGS HWY S",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146175504"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1555 LONG POND RD",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146264164",
            "telephone_number": "585-723-7870"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "900 Caton Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212295201",
            "country_code": "US",
            "telephone_number": "667-234-5724",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "263 Farmington Avenue",
            "address_purpose": "LOCATION",
            "city": "Farmington",
            "state": "CT",
            "postal_code": "060308021",
            "country_code": "US",
            "telephone_number": "860-679-4477",
            "fax_number": "860-679-1025",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YASEEN",
        "first_name": "AHMAD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-07-01",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "332443",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "332443",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "66443",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ayaseen66542@direct.med.uchc.edu",
            "affiliation": "N",
            "address_1": "263 Farmington Avenue",
            "city": "Farmington",
            "state": "CT",
            "country_code": "US",
            "postal_code": "060308021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, NY

Sources for this page

Verify at the official NPI Registry.