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

Individual provider Hospitalist Physician · NPI 1609985753

Alvin S Calderon, MD is a Hospitalist in Seattle, Washington. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2000, 26 years ago. Licensed in Washington.

Years since qualifying
26
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1100 9th Ave
Seattle, WA 98101-2756
Phone: (206) 223-6600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD00042786 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD00042786 (WA)

Record details

NPI number1609985753
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESMay 4, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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