Individual provider Active NPI

Madison Maxwell Zern, MD

  • Anesthesiology Physician
  • Galveston, TX
National Provider Identifier
1659017077
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
W8938 Issued in TX
Practice address
712 Texas Ave
Galveston, TX 77555-0001
Phone
(409) 772-1221
NPI assigned
May 9, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X W8938 TX Primary

Addresses

Primary practice location

712 Texas Ave
Galveston, TX 77555-0001

Mailing address

1300 Concord Ter Ste 420
Sunrise, FL 33323-2899
Phone (516) 945-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
BP10079574TXMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Utmb Faculty Group Practice Anesthesiology PastSince May 16, 2022 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1652054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1659017077",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1300 CONCORD TER STE 420",
            "city": "SUNRISE",
            "state": "FL",
            "postal_code": "333232899",
            "telephone_number": "516-945-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "712 TEXAS AVE",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550001",
            "telephone_number": "409-772-1221"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZERN",
        "first_name": "MADISON",
        "middle_name": "MAXWELL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-09",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "W8938",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Galveston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.