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

Dr. Dennis Michael O'Brien, DDS

Individual provider Dentist · NPI 1023267408

Dr. Dennis Michael O'Brien, DDS is a Dentist in LA Mesa, California. Licensed in California and Missouri. Registered with an NPI since 2008.

Licensed in
CA, MO
In the registry since
2008
Specialties on file
2
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

5308 Lake Murray Blvd Ste D
LA Mesa, CA 91942-1334
Phone: (619) 337-2970
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 57392 (CA)
Dentist Taxonomy 122300000X · Licence 2008024051 (MO)

Record details

NPI number1023267408
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedSeptember 10, 2008
Last updated in NPPESSeptember 12, 2016
Mailing address5308 Lake Murray Blvd, Suite D, La Mesa, CA 91942-1334

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