NPPES file of Aug 9, 2026

Joseph Auer, M.D.

Gastroenterology Physician · Lexington, KY

Joseph Auer, M.D. is a gastroenterology physician with a practice address in Lexington, Kentucky, and NPI 1841453545, issued on Jul 3, 2008. Check the license (Kentucky 42516, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841453545
Name
Joseph Auer
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
42516 KY
Self-reported in NPPES; status is on the state search
Practice location
Chandler Medical Center 800 Rose St, Lexington, KY 40536
Phone
(859) 323-5000
Enumerated
Jul 3, 2008
Record last updated
Jun 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120914000366); accepts Medicare assignment
Medical or professional school
University Of Kentucky College Of Medicine, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Joseph Auer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 42516
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

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79% fewer Medicare Part D claims than the average gastroenterology physician in 2024

168 Medicare Part D claims for 118 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Joseph Auer168
  2. Specialty average811

Most prescribed

  1. Peg-3350 And Electrolytes62 claims
  2. Gavilyte-G32 claims
  3. Esomeprazole Magnesium12 claims
  4. Omeprazole11 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Kentucky Medical Services Foundation, IncLexington, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph Auer among 226 gastroenterology physician records in Kentucky

Joseph Auer, M.D. is one of 226 gastroenterology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.

  • NPI issued2008 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2005 · median 2000 among the 181 with a school on file
  • Record last updated2012 · 55% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Kentucky

There are 226 gastroenterology physician records in Kentucky.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Terrence Barrett, MDLexington, KY 405361396719977
  2. Ryan Beyer, M.D.Lexington, KY 405361982994018
  3. Darwin Conwell, M.D.Lexington, KY 405361669438453
  4. Deborah Flomenhoft, MDLexington, KY 405361619039781
  5. Alla Grigorian, MDLexington, KY 405361275551244
  6. Venkata Rajesh Konjeti, M.D.Lexington, KY 405361659503118
  7. Christina Leyson, MDLexington, KY 405361063650604
  8. Patrick Mosler, M.D.Lexington, KY 405361013106269

Common questions

What is Joseph Auer, M.D.'s NPI number?

Joseph Auer, M.D.'s National Provider Identifier (NPI) is 1841453545, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Auer, M.D. located?

The NPPES record lists a practice address at Chandler Medical Center 800 Rose St, Lexington, KY, 40536. Phone: (859) 323-5000. Providers update this record themselves, so call before visiting.

How can I verify Joseph Auer, M.D.'s license?

NPPES lists Kentucky license number 42516, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Auer, M.D. prescribe under Medicare Part D?

In 2024, Joseph Auer, M.D. had 168 Medicare Part D claims for 118 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Joseph Auer, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.