Auston Daniel Stiefer
Internal Medicine Physician · Aurora, CO
Auston Daniel Stiefer is an internal medicine physician with a practice address in Aurora, Colorado, and NPI 1356972053, issued on Jan 31, 2020. Check the license (Colorado DR.0077405, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Auston Daniel Stiefer
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0077405 CO
Self-reported in NPPES; status is on the state search - Practice location
- 12700 E 19TH Ave # 9C03, Aurora, CO 80045
- Phone
- (303) 724-9287
- Enumerated
- Jan 31, 2020
- Record last updated
- Mar 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20260501000526); may accept Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Verify Auston Daniel Stiefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0077405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
506 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium49 claims
- Amlodipine Besylate25 claims
- Albuterol Sulfate Hfa22 claims
- Gabapentin21 claims
- Levothyroxine Sodium21 claims
- Duloxetine Hcl17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Auston Daniel Stiefer among 2,046 internal medicine physician records in Colorado
Auston Daniel Stiefer is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2022 · median 2006 among the 1,090 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 internal medicine physician records list a practice address in Aurora
They are 244 of the 17,400 NPPES records with a practice address in Aurora, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Aurora → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melver Anderson, M.D.Aurora, CO 800451992771109
- Mary Ayers, M.D.Aurora, CO 800451184632432
- Ronald Colson, MDAurora, CO 800451144214099
- Anjali Dhurandhar, M.D.Aurora, CO 800451023035045
- Liselotte Dyrbye, M.D.Aurora, CO 800451275511164
- Eden English, MDAurora, CO 800451811969058
- Mark Levine, M.D.Aurora, CO 800451477556694
- Carmen Lewis, M.D.Aurora, CO 800451841215134
Common questions
What is Auston Daniel Stiefer's NPI number?
Auston Daniel Stiefer's National Provider Identifier (NPI) is 1356972053, issued on Jan 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Auston Daniel Stiefer located?
The NPPES record lists a practice address at 12700 E 19TH Ave # 9C03, Aurora, CO, 80045. Phone: (303) 724-9287. Providers update this record themselves, so call before visiting.
How can I verify Auston Daniel Stiefer's license?
NPPES lists Colorado license number DR.0077405, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Auston Daniel Stiefer prescribe under Medicare Part D?
In 2024, Auston Daniel Stiefer had 506 Medicare Part D claims for 88 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.