Active NPI
William Roger Thieler, M.D.
- Surgery Physician
- Orlando, FL
National Provider Identifier
1912959735
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- ME19390
- Practice address
- 601 E Rollins Ave
Orlando, FL 32803-1248 - Phone
- (407) 303-6611
- NPI assigned
- May 17, 2006
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | ME19390 | FL | Primary |
Addresses
Primary practice location
601 E Rollins Ave
Orlando, FL 32803-1248
Mailing address
PO Box 953064
Lake Mary, FL 32795-3064
Phone (407) 328-0825
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)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southern Surgical Services, LLC | 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.
-
- Surgical Physician Assistant
- Orlando, FL
- NPI 1649459389
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147824000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1912959735",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 953064",
"city": "LAKE MARY",
"state": "FL",
"postal_code": "327953064",
"telephone_number": "407-328-0825",
"fax_number": "407-322-5478"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "601 E ROLLINS AVE",
"city": "ORLANDO",
"state": "FL",
"postal_code": "328031248",
"telephone_number": "407-303-6611"
}
],
"practiceLocations": [],
"basic": {
"last_name": "THIELER",
"first_name": "WILLIAM",
"middle_name": "ROGER",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "FL",
"license": "ME19390",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Orlando, FL
Sources for this page
- 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.