Gregory Austin, MD
Gastroenterology Physician · Aurora, CO
Gregory Austin, MD is a gastroenterology physician with a practice address in Aurora, Colorado, and NPI 1750503876, issued on May 2, 2007. Check the license (Colorado 45594, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Austin
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 45594 CO
Self-reported in NPPES; status is on the state search - Practice location
- 12605 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- May 2, 2007
- Record last updated
- Oct 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 00437531 CO
- Medicare enrollment
- Enrolled (PECOS I20070822000972); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 12605 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Austin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average gastroenterology physician in 2024
243 Medicare Part D claims for 192 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Gavilyte-C89 claims
- Sod Sulf-Potass Sulf-Mag Sulf54 claims
- Omeprazole16 claims
- Peg 3350-Electrolyte12 claims
- Ondansetron Odt11 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Austin among 334 gastroenterology physician records in Colorado
Gregory Austin, MD is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 37% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2000 · median 2003 among the 258 with a school on file
- Record last updated2012 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Aurora → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sanford Benjamin, M.D.Aurora, CO 800451912009192
- Jennifer Christie, MDAurora, CO 800451750312252
- Steven Edmundowicz, MDAurora, CO 800451780601229
- Gregory Everson, MDAurora, CO 800451932287299
- Blair Fennimore, MDAurora, CO 800451316093925
- Stephen Freeman, MDAurora, CO 800451396835070
- Mark Gerich, M.D.Aurora, CO 800451578549754
- Ariana Greenwood, MDAurora, CO 800451548307804
Common questions
What is Gregory Austin, MD's NPI number?
Gregory Austin, MD's National Provider Identifier (NPI) is 1750503876, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Austin, MD located?
The NPPES record lists a practice address at 12605 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Austin, MD's license?
NPPES lists Colorado license number 45594, 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 Gregory Austin, MD prescribe under Medicare Part D?
In 2024, Gregory Austin, MD had 243 Medicare Part D claims for 192 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Gregory Austin, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.