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

Marshall Cooperson, DO

Individual provider Internal Medicine Physician · NPI 1194743195

Marshall Cooperson, DO is an Internal Medicine Physician in Napa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3010 Beard Rd
Napa, CA 94558-3442
Phone: (707) 257-1550
Fax: (707) 257-8219
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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 20A5492 (CA)

Record details

NPI number1194743195
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 17, 2006
Last updated in NPPESOctober 8, 2008
Mailing address3212 Jefferson St # 196, Napa, CA 94558-3436

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