Individual provider Active NPI

Marrium Sahar

  • Internal Medicine Physician
  • Buffalo, NY
National Provider Identifier
1194462176
Registry record updated Jul 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
336902 Issued in NY
Practice address
100 High St
Buffalo, NY 14203-1126
Phone
(716) 859-5600
NPI assigned
May 19, 2022
Reactivated
Jun 19, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 336902 NY Primary

Addresses

Primary practice location

100 High St
Buffalo, NY 14203-1126

Mailing address

726 Exchange St Ste 710
Buffalo, NY 14210-1464
Phone (716) 852-4772

Other practice location 1

1540 Maple Rd
Williamsville, NY 14221-3647
Phone (716) 568-3600

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250722002259 NY Practitioner - Hospitalist 4486160900 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Liberty Univ College of Osteopathic Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
General Physician PCGroup PAC ID 9537213079, 488 clinicians

Practice addresses (Care Compare)

100 High St
Buffalo, NY 14203-1126
Phone (716) 884-3000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
General Physician, PC CurrentSince Aug 1, 2025 Accepting new patients
General Physician, PC Internal Medicine CurrentSince Jun 15, 2025 Accepting new patients
Kaleida Health PastSince Jun 15, 2025 Accepting new patients
Kaleida Health Past Accepting new patients

Locations

100 High St
Buffalo, NY 14203
Phone (716) 632-3700

100 High St
#D1
Buffalo, NY 14203
Phone (716) 422-0010

726 Exchange St
Ste 516
Buffalo, NY 14210

726 Exchange St
Ste 710
Buffalo, NY 14210
Phone (716) 343-3016

3898 Vineyard Dr
Dunkirk, NY 14048
Phone (716) 363-1515

1540 Maple Rd
Williamsville, NY 14221
Phone (716) 568-3514

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": "1652918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1194462176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "726 EXCHANGE ST STE 710",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142101464",
            "telephone_number": "716-852-4772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HIGH ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142031126",
            "telephone_number": "716-859-5600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1540 Maple Rd",
            "address_purpose": "LOCATION",
            "city": "Williamsville",
            "state": "NY",
            "postal_code": "142213647",
            "country_code": "US",
            "telephone_number": "716-568-3600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SAHAR",
        "first_name": "MARRIUM",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-05-19",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "deactivation_date": "2023-02-16",
        "reactivation_date": "2023-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "336902",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.