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

Gregory Mitchell Petersen, MD

Individual provider Hospitalist Physician · NPI 1518544857

Gregory Mitchell Petersen, MD is a Hospitalist in Aurora, Colorado. Graduated from University of California, San Diego School of Medicine in 2021, 5 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
5
Trained at
University of California, San Diego School of Medicine
Licensed in
CO
In the registry since
2021
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

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

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0073229 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0073229 (CO)

Record details

NPI number1518544857
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESJanuary 31, 2025
Certification dateJanuary 31, 2025
Mailing addressPo Box 110429, Aurora, CO 80042-0429

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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