Gianmarco D Vizzeri, MD

Primary specialty

Glaucoma Specialist (Ophthalmology) PhysicianTaxonomy code 207WX0009X

License

CE00007 Issued in TX

Practice address

301 University Blvd
Galveston, TX 77555-5302

Phone

(409) 772-2222

NPI assigned

Jan 5, 2010

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

Enrolled in TX

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

Specialty

Ophthalmology

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Utmb Faculty Group PracticeGroup PAC ID 3375456734, 1,083 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Texas Medical Branch Galveston Hospital, Galveston, TX, CCN 450018

Merit-based Incentive Payment System (MIPS)

Final score

78.88 of 100Reported as group

Quality

73.38

Improvement activities

40

Cost

78.42

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gvizzerimd6259@direct.utmb.edu

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.

• Utmb Faculty Group Practice

  • General Practice Physician
  • Galveston, TX
  • NPI 1942241146

  Ophthalmology

  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of Texas Medical Branch at Galveston

  • General Acute Care Hospital
  • Galveston, TX
  • NPI 1548226988
  Care Compare affiliation

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

{
    "created_epoch": "1262649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1598095085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 650859",
            "address_2": "DEPT. 710",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752650859",
            "telephone_number": "409-772-2222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 UNIVERSITY BLVD",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775555302",
            "telephone_number": "409-772-2222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIZZERI",
        "first_name": "GIANMARCO",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-01-05",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207WX0009X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Glaucoma Specialist",
            "state": "TX",
            "license": "CE00007",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "TX",
            "license": "CE00007",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen L Vincent, MD
• Ramya-Deepthi Vinnakota, D.O.
• Sandhya Rani Vinta, MD
• Rebecca A Viska, L.M.T.
• Vista Smiles PLLC
• Hung Alexander Vo, MD
• Nathan Vo, RPH
• Rahat Firoz Vohra, M.D.
• Andreas Johann Von Ritschl, MD
• Jennifer Marlene Von Ritschl, MSN, FNP

• Glaucoma Specialist (Ophthalmology) Physician in Galveston, TX
• Providers in Galveston, TX by specialty
• Glaucoma Specialist (Ophthalmology) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.