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

Dr. David Hagen Kirn, MD

Individual provider Internal Medicine Physician · NPI 1821629296

Dr. David Hagen Kirn, MD is an Internal Medicine Physician in Mill Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020
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

444 Laverne Ave
Mill Valley, CA 94941-3435
Phone: (415) 847-7326
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G75483 (CA)

Record details

NPI number1821629296
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 4, 2020
Last updated in NPPESFebruary 4, 2020
Certification dateFebruary 4, 2020

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