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

Amber Sieja, MD

Individual provider Internal Medicine Physician · NPI 1548271307

Amber Sieja, MD is an Internal Medicine in Aurora, Colorado. Graduated from Northwestern University Feinberg Medical School in 2000, 26 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
26
Trained at
Northwestern University Feinberg Medical School
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

12605 E 16th Ave
Aurora, CO 80045-2545
Phone: (720) 848-0000
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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 41124 (CO)

Record details

NPI number1548271307
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESNovember 29, 2012
Mailing addressPo Box 110429, Aurora, CO 80042-0429

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2000 (26 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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