1. Home
  2. Directory
  3. Florida
  4. Orlando
  5. Surgery
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM ROGER THIELER M.D.
NPI 1912959735
Surgery in Orlando, FL

Active since May 17, 2006
601 E ROLLINS AVE, ORLANDO, FL 32803(407) 303-6611 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Roger Thieler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM ROGER THIELER M.D. (NPI 1912959735) is an individual surgery provider in Orlando, Florida, licensed in Florida (ME19390) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1912959735
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. WILLIAM ROGER THIELERCredential: M.D.
Location Address601 E ROLLINS AVEOrlando, FL 32803-1248
Mailing AddressPo Box 953064Lake Mary, FL 32795-3064 · (407) 328-0825 · Fax (407) 322-5478
Phone(407) 303-6611
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1912959735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in FL · ME19390
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
601 E ROLLINS AVE, Orlando, FL 32803
Open in Google Maps ↗

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LEE VLADIMIR SMYK MD PA
Obstetrics & Gynecology
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 303-6611
GLEEN JOHN LIM GO MD
Hospitalist
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 464-9516
RAMKISHAN RAO GUMMADAPU MD
Hospitalist
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 464-9516
ANTONIO ALGENE CUNANAN MD
Hospitalist
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 464-9516
CHRISTOPHER CHARLES BUDDENDORFF MD
Hospitalist
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 464-9516
MR. HERLY ANTHONY RAMOS PA-C
Physician Assistant (Surgical)
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 694-0900
FLORIDA HEART GROUP
Internal Medicine (Cardiovascular Disease)
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 422-9831
MRS. LESLIE LAUREN MACKEY PA-C
Physician Assistant (Surgical)
601 E ROLLINS AVE
ORLANDO, FL 32803
Orange County (407) 303-6611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Thieler's NPI number?

The NPI number for William Thieler is 1912959735. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is William Thieler located?

William Thieler practices at 601 E Rollins Ave, Orlando, FL 32803. The listed phone number is (407) 303-6611.

What is William Thieler's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for William Thieler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.