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

Dr. Richard D Chen, MD

Individual provider Naturopath · NPI 1285602573

Dr. Richard D Chen, MD is a Naturopath in Petaluma, California. Practices as a sole proprietor and works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

801 Marble Way
Petaluma, CA 94954-8594
Phone: (707) 636-4363
Fax: (844) 268-1466
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 435 Petaluma Ave Ste 150, Sebastopol, CA 95472 — (707) 861-7300
  • 395 Pleasant St, Northampton, MA 01060-3914 — (413) 584-7787

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G78024 (CA)
Naturopath Taxonomy 175F00000X
Pain Medicine Physician Taxonomy 208VP0000X · Licence G78024 (CA)

Record details

NPI number1285602573
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 10, 2006
Last updated in NPPESFebruary 17, 2021
Certification dateFebruary 17, 2021
Mailing address801 Marble Way, Petaluma, CA 94954-8594

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