Texas records show Dr. David Parmer holds permits for nitrous oxide and all four sedation levels. A permit means the state allows him to provide it, but it does not show what a given visit includes.
DP
Dr. David Parmer
✓Texas license active, first licensed Jun 1991
✓Dental school: UT Health San Antonio School of Dentistry, 1991
✓Holds a nitrous oxide (laughing gas) permit (since 1994) and sedation permits for levels 1 to 4 (most recent 2012)
NPI 1356334502 · Texas State Board of Dental Examiners, checked Sep 2026 · named on the practice's website
JM
Dr. James Macholl
✓Texas license active, first licensed May 2014
✓Dental school: Marquette University School of Dentistry, 1991
✓Holds a nitrous oxide (laughing gas) permit (since 2014) and sedation permits for levels 1 to 4 (most recent 2014)
NPI 1326155854 · Texas State Board of Dental Examiners, checked Sep 2026 · named on the practice's website
SS
Dr. Stephen Siew
✓Texas license active, first licensed Jun 2019
✓Dental school: University of Washington, 2019
✓Holds a nitrous oxide (laughing gas) permit (since 2025) and sedation permits for levels 1 to 4 (most recent 2025)
NPI 1710548870 · Texas State Board of Dental Examiners, checked Sep 2026 · named on the practice's website