Active NPI
Madison Maxwell Zern, MD
- Anesthesiology Physician
- Galveston, TX
National Provider Identifier
1659017077
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- W8938
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| BP10079574 | TX | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Utmb Faculty Group Practice | Anesthesiology | Past | 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.