NPPES file of Aug 9, 2026

Johnathan Au, MD, MPH

Diagnostic Radiology Physician · Evanston, IL

Johnathan Au, MD, MPH is a diagnostic radiology physician with a practice address in Evanston, Illinois, and NPI 1518463231, issued on Apr 2, 2018. Check the license (Illinois 036163315, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1518463231
Name
Johnathan Au
Credential
MD, MPH
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
036163315 IL
83034-20 WI
Self-reported in NPPES; status is on the state search
Practice location
2650 Ridge Ave., Evanston, IL 60201
Phone
(847) 570-2486
Enumerated
Apr 2, 2018
Record last updated
Apr 22, 2024
Medicare enrollment
Enrolled (PECOS I20240130001226); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 2650 Ridge Ave.

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eyad Abdulrazzak, MDHospitalist Physician1710592589
  2. Indu Agarwal, M.D.Anatomic Pathology & Clinical Pathology Physician1831573898
  3. Lorraine Aguada, NPNurse Practitioner1144996059
  4. Mark Agustin, ACNPNurse Practitioner1730855677
  5. Avais Ahmed, M.D.Anesthesiology Physician1770087918
  6. Aleksandar Alavanja, MDDiagnostic Radiology Physician1619321106

Verify Johnathan Au in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036163315
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The MIPS final score for 2023 (Medicare payment program): 93.1 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.

  1. Qualityout of 100 · 30% of the final score80.8
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 6 group practices

  1. Gbr Sheboygan LLCSheboygan, WI
  2. Green Bay Radiology SCGreen Bay, WI
  3. Orthopedic And Sports Medicine Specialists OF Green Bay SCGreen Bay, WI
  4. Radiology Associates OF The Fox Valley SCNeenah, WI
  5. St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
  6. St. Nicholas Hospital-Sisters OF The Third Order OF St FrancisSheboygan, WI

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

Johnathan Au among 1,874 diagnostic radiology physician records in Illinois

Johnathan Au, MD, MPH is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 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 2018, is newer than 83% of them.

  • NPI issued2018 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2018 · median 2004 among the 1,201 with a school on file
  • Record last updated2024 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

85 diagnostic radiology physician records list a practice address in Evanston

They are 85 of the 4,013 NPPES records with a practice address in Evanston, and 1,874 diagnostic radiology physician records in Illinois.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Jonathan Berlin, M.D.Evanston, IL 602011780627174
  2. Joel Bernstein, M.D.Evanston, IL 602011003859505
  3. James Chiu, M.D.Evanston, IL 602011922040005
  4. Diane Digirolamo, M.D.Evanston, IL 602011659318079
  5. Jacob Ecanow, MDEvanston, IL 602011104866805
  6. Gregory Jackson, MDEvanston, IL 602011649257163
  7. Hong Kim, M.D.Evanston, IL 602011356328256
  8. Martin Lazarus, MDEvanston, IL 602011700815123

Common questions

What is Johnathan Au, MD, MPH's NPI number?

Johnathan Au, MD, MPH's National Provider Identifier (NPI) is 1518463231, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Johnathan Au, MD, MPH located?

The NPPES record lists a practice address at 2650 Ridge Ave., Evanston, IL, 60201. Phone: (847) 570-2486. Providers update this record themselves, so call before visiting.

How can I verify Johnathan Au, MD, MPH's license?

NPPES lists Illinois license number 036163315, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Johnathan Au, MD, MPH's MIPS final score?

The 2023 MIPS final score is 93.1 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.