Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory P Johnson, DDS, MS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1740306794

Dr. Gregory P Johnson, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Irvine, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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.

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Practice location Address checks out

5394 Walnut Ave Ste H
Irvine, CA 92604-2505
Phone: (949) 552-5800
Fax: (949) 552-8905
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence D22813 (CA)

Record details

NPI number1740306794
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedMarch 21, 2007
Last updated in NPPESDecember 30, 2011
Mailing address5394 Walnut Ave, Suite H, Irvine, CA 92604-2505

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