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Ronald Marcus

Addiction Medicine Doctor

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Specialties and Licenses

Licensed In
California
NPI Number
1558510776
In the National Registry
18 years (since 2008)

Name, specialties, licenses and address come from the NPPES national provider registry, updated weekly (this record last changed September 2008).

What Addiction Medicine Doctors Commonly Treat

Typical for the specialty. Ask the office which of these Ronald Marcus offers.

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The information on this site is for general educational purposes only and is not medical advice, diagnosis, or treatment. Reading this site does not create a doctor–patient relationship. Always consult a qualified healthcare professional for personal guidance. If this is an emergency, call 911. Mentions of medications, devices, or procedures are informational and not endorsements. Full medical disclaimer.