Organization Active NPI

Westside Hematology Oncology Inc

  • Hematology & Oncology Physician
  • Westlake, OH
National Provider Identifier
1376650606
Registry record updated Aug 22, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
35056179M Issued in OH
Legal business name
WESTSIDE HEMATOLOGY ONCOLOGY INC
Practice address
29101 Health Campus Dr
Ste 260
Westlake, OH 44145-5266
Phone
(440) 808-6500
Fax
(440) 808-8865
NPI assigned
Aug 24, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2020

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

Authorized official

Name
Dr. Marwan Massouh, MDNPI 1508841669
Title
President
Phone
(440) 808-6500

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RH0003X 35056179M OH Primary

Addresses

Primary practice location

29101 Health Campus Dr
Ste 260
Westlake, OH 44145-5266

Mailing address

29101 Health Campus Dr
Ste 260
Westlake, OH 44145-5266
Phone (440) 808-6500

Other identifiers 2

IdentifierTypeStateIssuer
0848382MedicaidOH
000000212199OtherOHANTHEM

National Provider Directory

National Provider Directory

Locations

4330 W 150th St
Ste 220
Cleveland, OH 44135
Phone (216) 227-2194

4330 W 150th St
Ste 202
Cleveland, OH 44135
Phone (440) 808-6500

18660 Bagley Rd
Bldg 2
Middleburg Heights, OH 44130
Phone (440) 824-1500

29101 Health Campus Dr
Ste 260
Westlake, OH 44145
Phone (440) 808-6500

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1156377600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1598054400000",
    "number": "1376650606",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29101 HEALTH CAMPUS DR",
            "address_2": "STE 260",
            "city": "WESTLAKE",
            "state": "OH",
            "postal_code": "441455266",
            "telephone_number": "440-808-6500",
            "fax_number": "440-808-8865"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "29101 HEALTH CAMPUS DR",
            "address_2": "STE 260",
            "city": "WESTLAKE",
            "state": "OH",
            "postal_code": "441455266",
            "telephone_number": "440-808-6500",
            "fax_number": "440-808-8865"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WESTSIDE HEMATOLOGY ONCOLOGY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-24",
        "last_updated": "2020-08-22",
        "status": "A",
        "authorized_official_last_name": "MASSOUH",
        "authorized_official_first_name": "MARWAN",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "440-808-6500",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "OH",
            "license": "35056179M",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0848382",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000212199",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Westlake, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 2020; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.