Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Nathan Rietberg, MD

Individual provider Anesthesiology Physician · NPI 1861952491

Nathan Rietberg, MD practises Anesthesiology in Aurora, Colorado. Graduated from University of Michigan Medical School in 2019, 7 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group and accepts Medicare assignment. Licensed in California and Colorado.

Years since qualifying
7
Trained at
University of Michigan Medical School
Licensed in
CA, CO
In the registry since
2019
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

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence DR.0073263 (CO)
Anesthesiology Physician Taxonomy 207L00000X · Licence A186243 (CA)

Record details

NPI number1861952491
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2019
Last updated in NPPESFebruary 7, 2025
Certification dateFebruary 7, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2019 (7 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients109
Services billed 122 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University Physicians Incorporated

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3148 clinicians in the practice; 12 are shown here.

Other providers in Aurora