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Diana Marquardt, MD

NPI 1114909454 · on the registry since 2005

Practice

Address: 4290 Polk Ave
San Diego, CA 92105
Phone: (619) 563-0507
Fax: (619) 563-0015
Organisation at this address: San Diego Family Care
San Diego Family Care
San Diego Family Care
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 34

Registry record

Primary taxonomy: Internal Medicine Physician
207R00000X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Female
Record last updated: 2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California