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

Larry Marianella, MD a Professional Corp

Organization Internal Medicine Physician · NPI 1104128941

Larry Marianella, MD a Professional Corp is an Internal Medicine Physician in Santa Rosa, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1515 Montgomery Dr
Santa Rosa, CA 95405-4500
Phone: (707) 526-4865
Fax: (707) 526-5375
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 G38835 (CA)

Record details

NPI number1104128941
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Larry Marianella — President · (707) 526-4865
NPI enumeratedNovember 30, 2010
Last updated in NPPESNovember 30, 2010
Mailing address1515 Montgomery Dr, Santa Rosa, CA 95405-4500

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