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

Dr. Louis E Pelfini, MD

Individual provider Internal Medicine Physician · NPI 1871710871

Dr. Louis E Pelfini, MD is an Internal Medicine Physician in Petaluma, 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

161 Lynch Creek Way
Petaluma, CA 94954-2343
Phone: (707) 766-1580
Fax: (707) 763-0803
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 A22628 (CA)

Record details

NPI number1871710871
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 19, 2007
Last updated in NPPESJuly 8, 2007
Mailing address161 Lynch Creek Way, Petaluma, CA 94954-2343

Other providers in Petaluma