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

Dr. Andrew Harold Trosien, DDS, MS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1730243197

Dr. Andrew Harold Trosien, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Tracy, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

2850 N Tracy Blvd Ste 300
Tracy, CA 95376-7767
Phone: (209) 833-1240
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 42960 (CA)

Record details

NPI number1730243197
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedDecember 20, 2006
Last updated in NPPESJuly 8, 2007

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