Alva B Weir III, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

MD9400 Issued in TN

Practice address

100 N Humphreys Blvd
Memphis, TN 38120-2146

Phone

(901) 606-0055

Fax

(901) 322-2947

NPI assigned

Apr 6, 2007

Last updated

Sep 29, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in TN

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Ut Regional One Physicians Inc

  • Surgery Physician
  • Memphis, TN
  • NPI 1093130585
  Medicare reassignment NPD
• Ut Regional One Physicians Inc

  • Anesthesiology Physician
  • Memphis, TN
  • NPI 1285042028
  NPD
• Johnston Memorial Hospital, Inc

  • General Acute Care Hospital
  • Abingdon, VA
  • NPI 1104812684
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1175817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1851413140",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N HUMPHREYS BLVD",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202146",
            "telephone_number": "901-606-0055",
            "fax_number": "901-322-2947"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N HUMPHREYS BLVD",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202146",
            "telephone_number": "901-606-0055",
            "fax_number": "901-322-2947"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEIR",
        "first_name": "ALVA",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-06",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TN",
            "license": "MD9400",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MS",
            "license": "14222",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS TN",
            "identifier": "4210048",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1508378",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00583292",
            "state": "MS"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS AR",
            "identifier": "1851413140",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michael D. Weinberg, O.D.
• Sarah Cain Weinburger
• John Charles Weinlein IV, MD
• Rebecca Weinman-Crouch, LCSW
• Joseph Seth Weinstein, MD
• John Stephen Weir, D.D.S.
• Eric M Weirich, MD
• Scott A Weiskopf, DDS
• Danny Weiss, D.D.S.,M.S.
• Hannah Zoe Weiss, MD

• Hematology & Oncology Physician in Memphis, TN
• Providers in Memphis, TN by specialty
• Hematology & Oncology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.