Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Orson Wirthlin, DDS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1144506353

Dr. John Orson Wirthlin, DDS is an Orthodontics and Dentofacial Orthopedics Dentistry in Houston, Texas. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

6701 Fannin St
Houston, TX 77030-2608
Phone: (832) 822-3920
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence P81457 (NY)

Record details

NPI number1144506353
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 1, 2011
Last updated in NPPESMay 3, 2018
Mailing address6701 Fannin St, Houston, TX 77030-2608

Other providers in Houston