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

Marc R Shapiro Medical Corp

Organization Internal Medicine Physician · NPI 1235373184

Marc R Shapiro Medical Corp is an Internal Medicine Physician in Clearlake, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
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

3400 Emerson St Ste A
Clearlake, CA 95422-9529
Phone: (707) 994-7241
Fax: (707) 994-0870
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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 G34359 (CA)

Record details

NPI number1235373184
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marc Shapiro — Ceo · (707) 994-7241
NPI enumeratedApril 22, 2009
Last updated in NPPESAugust 28, 2009
Mailing address3400 Emerson St, Suite A, Clearlake, CA 95422-9529

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