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

Dr. Andrew Tzellas, MD

Individual provider Family Medicine Physician · NPI 1003996042

Dr. Andrew Tzellas, MD is a Family Medicine Physician in Napa, California. Practices as a sole proprietor. Licensed in California, Connecticut and New York.

Licensed in
CA, CT, NY
In the registry since
2006
Specialties on file
4
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

1141 Pear Tree Ln Ste 100
Napa, CA 94558-6485
Phone: (707) 254-1770
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C183605 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 236059 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 052165 (CT)
Multi-Specialty Clinic/Center Taxonomy 261QM1300X · Licence 236059 (NY)

Record details

NPI number1003996042
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 16, 2006
Last updated in NPPESNovember 27, 2023
Certification dateNovember 10, 2023

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