Updated Oct 20, 2026

Samuel Lindsay Duncan

As of Oct 20, 2026, Samuel Lindsay Duncan in Houston, TX has held a TSBDE dental license since Jun 11, 1979, with a Level 3 sedation permit, and the board's list flags no disciplinary action.

Houston, TX 77024

Verified Oct 20, 2026 against TSBDE licensee lists (Dentist.csv)

Samuel Lindsay Duncan holds TSBDE dental license 12109, first issued on 1979-06-11. Practice type reported to the board: periodontics. Sedation permit: Level 3: Moderate Parenteral Sedation, dated 1991-01-25. The board's list flags no disciplinary action for this license. The board's list gives the city, ZIP code and county but no practice address, phone or practice size.

Key facts

Sedation permit	Level 3: Moderate Parenteral Sedation The highest sedation permit level the board shows, with its level name as the board's anesthesia privileges page gives it. source
Licensed for	15 years or more Whole years since the licensing board first issued the license shown on this profile. source
Discipline record	TSBDE flags no disciplinary action What the licensing board's record shows about discipline for this license, in the board's own terms (not a quality rating). source
License expires	Feb 29, 2028 source
License first issued	Jun 11, 1979 source
License number	12109 source
County	Harris County source
Sedation permit date	Jan 25, 1991 source
Remedial plan on record	No source
Practice type (self-reported)	Periodontics source

In Greater Houston, TX

324 dental specialists in the dataset are in Greater Houston, TX; 247 have profiles on this site. Dental specialists in Greater Houston, TX

Sedation permit (all 324 in this group): Level 4: Deep Sedation or General Anesthesia (127) · Level 1: Minimal Sedation (70) · Level 3: Moderate Parenteral Sedation (48) · Level 2: Moderate Enteral Sedation (2) · None on record (77)

Compare

Similar dental specialists

Chosen by the values they share with this one, rarer values counting more; ties go to the same city, then the nearest ZIP code, then this site's order (each board's records by its own rule (IDFPR Professional Licensing (data.illinois.gov): specialists whose record holds the most (disciplinary case detail, then the county) first; within each group, the longest-licensed first; TSBDE licensee lists (Dentist.csv): dentists whose record holds the most (a sedation permit, then the county) first; within each group, the longest-licensed first), merged by that rank: records holding more first, then the longer-licensed).

Syed Yusuf Shere · Houston · Discipline record: TSBDE flags no disciplinary action
Raouf Hanna · Houston · Discipline record: TSBDE flags no disciplinary action
Jon Robert Friedberg · Houston · Discipline record: TSBDE flags no disciplinary action
Eric S Choudhury · Houston · Discipline record: TSBDE flags no disciplinary action

Browse related lists

Something wrong or out of date? How corrections work. Source record ID 12109.