Individual provider · Type 1 NPI

Cynthia Sue Penn-Duecker, MD

Emergency Medicine Physician · Pleasanton, CA

NPI number 1033100359 Active

Practice location

5555 W Las Positas Blvd
Pleasanton, CA 94588-4000

Call (209) 342-2300 Map

Fax (209) 524-4240

Mailing address

4301 North Star Way
Modesto, CA 95356

Specialties and licenses

TaxonomyCodeLicense
Emergency Medicine Physician Primary 207P00000XA43128 (CA)

Emergency Medicine Physician: An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in respo…

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About NPI 1033100359

Cynthia Sue Penn-Duecker, MD's National Provider Identifier is 1033100359, issued on Nov 4, 2005. The primary taxonomy on file is Emergency Medicine Physician (207P00000X), and the practice location is in Pleasanton, CA. The record was last updated on Jul 13, 2026.