Stephen Mastorides, M.D.

Primary specialty

Molecular Genetic Pathology (Pathology) PhysicianTaxonomy code 207ZP0007X

License

ME 73197 Issued in FL

Practice address

13000 Bruce B Downs Blvd
Pathology and Laboratory Medicine Service (113)
Tampa, FL 33612-4745

Phone

(813) 972-2000

Fax

(813) 978-5827

NPI assigned

May 25, 2006

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1225084080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7216 WAREHAM DR",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336471166",
            "telephone_number": "813-972-2000",
            "fax_number": "813-978-5827"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13000 BRUCE B DOWNS BLVD",
            "address_2": "PATHOLOGY AND LABORATORY MEDICINE SERVICE (113)",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336124745",
            "telephone_number": "813-972-2000",
            "fax_number": "813-978-5827"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTORIDES",
        "first_name": "STEPHEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0007X",
            "taxonomy_group": "",
            "desc": "Pathology, Molecular Genetic Pathology",
            "state": "FL",
            "license": "ME 73197",
            "primary": true
        },
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "FL",
            "license": "ME 73197",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Janelle Anne Mastrionni, RN
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• Molecular Genetic Pathology (Pathology) Physician in Tampa, FL
• Providers in Tampa, FL by specialty
• Molecular Genetic Pathology (Pathology) Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.