Individual provider Active NPI

Mazen Zaarour, M.D.

  • Hematology & Oncology Physician
  • Winter Garden, FL
National Provider Identifier
1437599875
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
ME173279 Issued in FL
Practice address
2000 Fowler Grove Blvd # 3
Winter Garden, FL 34787-5050
Phone
(407) 609-7510
NPI assigned
Jun 30, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RH0003X 37907 AL
Hematology & Oncology Physician 207RH0003X ME173279 FL Primary

Addresses

Primary practice location

2000 Fowler Grove Blvd # 3
Winter Garden, FL 34787-5050

Mailing address

2000 Fowler Grove Blvd # 3
Winter Garden, FL 34787-5050
Phone (407) 609-7510

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AL, FL2 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
I20191001002932 AL Practitioner - Hematology/OncologyPractitioner - Internal Medicine 2860722030 Reassigns benefits to 1 organization
I20251125003809 FL Practitioner - Hematology/Oncology 2860722030 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Florida Hospital Medical Group IncGroup PAC ID 0749186153, 1,735 clinicians

Practice addresses (Care Compare)

1118 Ross Clark Cir
Suite 502
Dothan, AL 36301-3001
Phone (334) 712-3738

2000 Fowler Grove Blvd
Winter Garden, FL 34787-5050

2100 Ocoee Apopka Rd
Apopka, FL 32703-9210

2600 Westhall LN
Maitland, FL 32751-7102
Phone (407) 200-2700

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
37907ALMDHematology & Oncology Physician
ME173279FLMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Florida Hospital Medical Group Inc CurrentSince Jan 12, 2026 Accepting new patients
Houston County Healthcare Authority Multi-Specialty CurrentSince Aug 21, 2019 Accepting new patients
Houston County Healthcare Authority Multi-Specialty Current Accepting new patients
Florida Hospital Medical Group Inc Multi-Specialty CurrentSince Jan 12, 2026 Accepting new patients
Hospital Authority of the City of Bainbridge and Decatur County Multi-Specialty Past Accepting new patients

Locations

1108 Ross Clark Cir
Dothan, AL 36301
Phone (334) 712-3635

1118 Ross Clark Cir
Ste 200
Dothan, AL 36301
Phone (334) 793-4804

1118 Ross Clark Cir
Ste 502
Dothan, AL 36301
Phone (334) 712-3738

2600 Westhall Ln
Ste 4
Maitland, FL 32751
Phone (407) 200-2700

2000 Fowler Grove Blvd
#3
Winter Garden, FL 34787
Phone (407) 521-3600

Organizations & group practices 5

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": "1372550400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1437599875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2000 FOWLER GROVE BLVD # 3",
            "city": "WINTER GARDEN",
            "state": "FL",
            "postal_code": "347875050",
            "telephone_number": "407-609-7510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 FOWLER GROVE BLVD # 3",
            "city": "WINTER GARDEN",
            "state": "FL",
            "postal_code": "347875050",
            "telephone_number": "407-609-7510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAAROUR",
        "first_name": "MAZEN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-06-30",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AL",
            "license": "37907",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "FL",
            "license": "ME173279",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Winter Garden, FL

Sources for this page

Verify at the official NPI Registry.