Dr. John Berchelmann, DDS
- Texas license active, first licensed Jun 1992
- Dental school: UT Health San Antonio School of Dentistry, 1992
- Holds a nitrous oxide (laughing gas) permit (since 1993) and a level 1 sedation permit (most recent 2002)
NPI 1255445318 · Texas State Board of Dental Examiners, checked Sep 2026 · named on the practice's website