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

Aaron J Calderon, MD

Individual provider Internal Medicine Physician · NPI 1124075353

Aaron J Calderon, MD is an Internal Medicine in Denver, Colorado. Graduated from State University of Ny Upstate Medical University in 1993, 33 years ago. Practices with Uptown Community Health Center Inc, a 32-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
33
Trained at
State University of Ny Upstate Medical University
Licensed in
CO
In the registry since
2006
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

1960 Ogden St Ste 400
Denver, CO 80218-1022
Phone: (303) 318-1540
Fax: (303) 318-2481
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 40910 (CO)

Record details

NPI number1124075353
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESJuly 21, 2011
Mailing address2420 W 26th Ave Ste 400d, Denver, CO 80211-5357

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1993 (33 years in practice)
Group practice Uptown Community Health Center Inc — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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