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

Dr. James Gregory Troll, MD

Individual provider Family Medicine Physician · NPI 1578720223

Dr. James Gregory Troll, MD is a Family Medicine Physician in Vallejo, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1310 Johnson Ln
Vallejo, CA 94592-1159
Phone: (707) 638-5292
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G51568 (CA)

Record details

NPI number1578720223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2008
Last updated in NPPESJuly 8, 2016
Mailing addressPo Box 1449, Guerneville, CA 95446-1449

Other providers in Vallejo