Cynthia Sue Penn-Duecker, MD
Cynthia Sue Penn-Duecker, MD is an Emergency Medicine Physician in Pleasanton, California. Licensed in California. Registered with an NPI since 2005.
- Licensed in
- CA
- In the registry since
- 2005
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
5555 W Las Positas BlvdPleasanton, CA 94588-4000
Phone: (209) 342-2300
Fax: (209) 524-4240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Emergency Medicine Physician (primary) | Taxonomy 207P00000X · Licence A43128 (CA) |
|---|
Record details
| NPI number | 1033100359 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | November 4, 2005 |
| Last updated in NPPES | July 13, 2026 |
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Missouri Emergency Services, PC
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Gerald Roy Nazareno, MD
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Oklahoma Emergency Professionals PC
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Pleasanton Emergency Medical Group
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Nicholas Prewitt, MD
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