Individual provider Active NPI

Sami Mohammed Ali, M.D.

  • Hematology & Oncology Physician
  • Snellville, GA
National Provider Identifier
1821382250
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
105488 Issued in GA
Practice address
1800 Tree LN Ste 350
Snellville, GA 30078-6796
Phone
(770) 979-0200
NPI assigned
Jun 2, 2011
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RH0003X 276339 NY
Hematology & Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RH0003X A149539 CA
Hematology & Oncology Physician 207RH0003X 105488 GA Primary

Addresses

Primary practice location

1800 Tree LN Ste 350
Snellville, GA 30078-6796

Mailing address

1800 Tree LN Ste 350
Snellville, GA 30078-6796

Other practice location 1

1513 S Grand Ave Ste 360
Los Angeles, CA 90015-3465
Phone (213) 246-2422

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, TX, GA3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20170629002153 CA Practitioner - Hematology/Oncology 4385964626 Reassigns benefits to 1 organization
I20230802001318 TX Practitioner - Medical Oncology 4385964626 Reassigns benefits to 1 organization
I20251007000114 GA Practitioner - Medical OncologyPractitioner - Internal Medicine 4385964626 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Oncology Institute Ca, a Professional CorporationGroup PAC ID 5698872398, 114 clinicians
Piedmont Providers LLCGroup PAC ID 9830082825, 526 clinicians

Practice addresses (Care Compare)

1513 S Grand Ave
Suite 360
Los Angeles, CA 90015-3465
Phone (213) 246-2422

1800 Tree LN
Suite 350
Snellville, GA 30078-6796
Phone (678) 239-3950

1984 Peachtree Rd NW
Suite 300
Atlanta, GA 30309-5219
Phone (404) 367-3210

Hospital & facility affiliations

  • Piedmont Eastside Medical Center Hospital, Snellville, GA, CCN 110192
  • Piedmont Walton Hospital Hospital, Monroe, GA, CCN 110046
  • California Hospital Medical Center la Hospital, Los Angeles, CA, CCN 050149

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A149539CAMDHematology & Oncology Physician
105488GAMDHematology & Oncology Physician

Practice roles (3 of 4)

OrganizationSpecialtyStatusNew patients
Piedmont Providers LLC Multi-Specialty CurrentSince Sep 1, 2025 Accepting new patients
Alaska Native Tribal Health Consortium Multi-Specialty CurrentSince Jul 17, 2023 Accepting new patients
Hospitalist Healthcare Services PLLC Multi-Specialty Past Accepting new patients

Locations

3900 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1500

4315 Diplomacy Dr
Anchorage, AK 99508
Phone (907) 729-1729

4000 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1900

1984 Peachtree Rd NW
Ste 300
Atlanta, GA 30309
Phone (404) 367-3210

1700 Medical Way
Snellville, GA 30078
Phone (770) 978-4229

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: sami.ali@theoncologyinstitute.ikm.direct-ci.com

Organizations & group practices 6

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 3

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": "1306972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1821382250",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 TREE LN STE 350",
            "city": "SNELLVILLE",
            "state": "GA",
            "postal_code": "300786796"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 TREE LN STE 350",
            "city": "SNELLVILLE",
            "state": "GA",
            "postal_code": "300786796",
            "telephone_number": "770-979-0200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1513 S Grand Ave Ste 360",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900153465",
            "country_code": "US",
            "telephone_number": "213-246-2422",
            "fax_number": "213-246-2019",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALI",
        "first_name": "SAMI",
        "middle_name": "MOHAMMED",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-02",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "276339",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A149539",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "GA",
            "license": "105488",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Snellville, GA

Sources for this page

Verify at the official NPI Registry.