JOHNATHAN AU MD, MPH
NPI 1518463231
Radiology - Diagnostic Radiology in Evanston, IL

Q: What is Johnathan Au's NPI number?

The NPI number for Johnathan Au is 1518463231. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Q: What is Johnathan Au's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Johnathan Au was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment

93.08/100

CMS Quality Rating

2650 RIDGE AVE., DEPT. OF RADIOLOGY, EVANSTON, IL 60201(847) 570-2486 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2024, Mar 20, 2023, Feb 28, 2023 (3 updates tracked since 2023).

On this page

About Johnathan Au Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHNATHAN AU MD, MPH (NPI 1518463231) is an individual diagnostic radiology provider in Evanston, Illinois, licensed in Illinois (036163315) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with St Nicholas Hospital, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1518463231

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameJOHNATHAN AUCredential: MD, MPH

Location Address2650 RIDGE AVE., DEPT. OF RADIOLOGYEvanston, IL 60201

Mailing Address2650 Ridge Ave., Dept. Of RadiologyEvanston, IL 60201 · (847) 570-2486

Phone(847) 570-2486

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateApril 2, 2018

Last NPPES UpdateApril 22, 20243 updates tracked since enumeration

NPPES CertifiedApril 22, 2024

✔ NPI 1518463231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in IL · 036163315✔ Licensed in WI · 83034-20

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

2650 RIDGE AVE., Evanston, IL 60201

Open in Google Maps ↗

Secondary Practice Location 1

Location 1925 Seneca St, Mail Sop: H8-GMESeattle, WA 98101 · Phone (206) 583-6079

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Johnathan Au Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365797917

PECOS Enrollment IDI20230310000429, I20240130001226

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

97 services91 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

55 services29 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

44 services43 patients

X-ray of chest, 2 views 71046

34 services34 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

33 services16 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

31 services31 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

28 services16 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

26 services26 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

23 services12 patients

X-ray of shoulder, minimum of 2 views 73030

19 services19 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

16 services16 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

16 services16 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

15 services15 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

15 services15 patients

X-ray of hip, 2-3 views 73502

13 services13 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

13 services13 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Nicholas Hospital

Acute Care Hospitals · Sheboygan, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520044

Location3100 Superior AveSheboygan, WI 53081 · Sheboygan County

Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Green Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520075

Location835 S Van Buren StGreen Bay, WI 54301 · Brown County

Emergency services Birthing friendly

St Mary's Hospital Medical Center

Acute Care Hospitals · Green Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number520097

Location1726 Shawano AveGreen Bay, WI 54303 · Brown County

Emergency services

Hshs St Clare Memorial Hospital

Critical Access Hospitals · Oconto Falls, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521310

Location855 S Main StOconto Falls, WI 54154 · Oconto County

Emergency services

Door County Medical Center

Critical Access Hospitals · Sturgeon Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521358

Location323 South 18th AvenueSturgeon Bay, WI 54235 · Door County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.79

Promoting Interoperability

100

Improvement Activities

Leave this field empty

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES FRANCIS KELLY DO

Hospitalist

2650 RIDGE AVE., IM HOSPITALISTS STE 4206
EVANSTON, IL 60201

Cook County (847) 570-1010

DR. MARY TILLEY JENKINS VOGEL MD

Obstetrics & Gynecology (Gynecologic Oncology)

2650 RIDGE AVE., KELLOGG CANCER CENTER
EVANSTON, IL 60201

Cook County (847) 570-2639

BHAVIK KHAJURIA

Radiology (Diagnostic Radiology)

2650 RIDGE AVE., DEPT. OF RADIOLOGY
EVANSTON, IL 60201

Cook County (847) 570-2477

WAJDEY NESHEIWAT PA-C

Physician Assistant (Surgical)

2650 RIDGE AVE., DEPT. OF SURGERY WALGREEN 2507
EVANSTON, IL 60201

Cook County (847) 570-2560

AYMAN NAJIB MD

Hospitalist

2650 RIDGE AVE., IM HOSPITALISTS STE 4206
EVANSTON, IL 60201

Cook County (847) 570-1010

MATTHEW JOSEPH SADLOWSKY APN-CRNA

Nurse Anesthetist, Certified Registered

2650 RIDGE AVE., DEPARTMENT OF ANESTHESIA
EVANSTON, IL 60201

Cook County (847) 570-2760

KYLE PETTY MD

Anesthesiology

2650 RIDGE AVE., DEPT. OF ANESTHESIA
EVANSTON, IL 60201

Cook County (847) 570-2760

TAE YEON KIM MD

Hospitalist

2650 RIDGE AVE., PEDIATRIC HOSPITALISTS
EVANSTON, IL 60201

Cook County (847) 570-1027

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Johnathan Au's NPI number?

The NPI number for Johnathan Au is 1518463231. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Johnathan Au located?

Johnathan Au practices at 2650 Ridge Ave. Dept. Of Radiology, Evanston, IL 60201. The listed phone number is (847) 570-2486.

What is Johnathan Au's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Johnathan Au enrolled in Medicare?

Yes. Johnathan Au is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Johnathan Au accept?

Health plans from CareSource (Common Ground Healthcare) list Johnathan Au as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Johnathan Au affiliated with any hospitals?

According to CMS data, Johnathan Au is affiliated with St Nicholas Hospital, St Vincent Hospital, St Mary's Hospital Medical Center, Hshs St Clare Memorial Hospital and Door County Medical Center.

When was this NPI record last updated?

The NPPES record for Johnathan Au was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.