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

John J. Dahmen, MD

Individual provider Pediatrics Physician · NPI 1851475842

John J. Dahmen, MD is a Pediatrics Physician in Petaluma, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

3900 Lakeville Hwy
Petaluma, CA 94954-5698
Phone: (707) 765-3900
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A55060 (CA)

Record details

NPI number1851475842
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESDecember 22, 2021
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

Other providers in Petaluma