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

Dr. James Owen Gemmer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1366578585

Dr. James Owen Gemmer, MD is an Orthopaedic Surgery Physician in Fairfield, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

11 Country Club Dr
Fairfield, CA 94534-1305
Phone: (707) 864-1824
Fax: (707) 864-3536
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence C33183 (CA)

Record details

NPI number1366578585
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 23, 2007
Last updated in NPPESJuly 8, 2007

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