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

Dr. John Ralph Firth, DDS, MS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1063743300

Dr. John Ralph Firth, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Sunset Hills, Missouri. Licensed in Missouri. Registered with an NPI since 2010.

Licensed in
MO
In the registry since
2010
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.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

3890 So Lindbergh Blvd Ste 115
Sunset Hills, MO 63127
Phone: (314) 843-5553
Fax: (314) 849-6764
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 015576 (MO)

Record details

NPI number1063743300
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedJanuary 27, 2010
Last updated in NPPESJanuary 27, 2010

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