DR. JONATHAN TRESLEY MD
NPI 1043451081
Radiology - Diagnostic Radiology in Downers Grove, IL

Active since March 22, 2009PECOS EnrolledAccepts Medicare Assignment
3815 HIGHLAND AVE DEPT OF, DOWNERS GROVE, IL 60515(630) 581-6511(630) 645-6404 Get Directions Write a Review

NPPES record last updated: March 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 6, 2026, Feb 5, 2026, Jan 3, 2022 and 1 more (4 updates tracked since 2015).

About Dr. Jonathan Tresley Md NPPES

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

DR. JONATHAN TRESLEY MD (NPI 1043451081) is an individual diagnostic radiology provider in Downers Grove, Illinois, licensed in Illinois (036.139410) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Presence Mercy Medical Center, and is a graduate of Northwestern University Feinberg Medical School (2009).

NPPES Registry Identity

NPI1043451081
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JONATHAN TRESLEYCredential: MD
Location Address3815 HIGHLAND AVE DEPT OFDowners Grove, IL 60515-1500
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757
Fax(630) 645-6404
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2009
Enumeration DateMarch 22, 2009
Last NPPES UpdateMarch 6, 20264 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
NPI 1043451081 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 · 036.139410 Licensed in WI · 63497
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3815 HIGHLAND AVE DEPT OF, Downers Grove, IL 60515

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

Dr. Jonathan Tresley Md 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 ID3476873894
PECOS Enrollment IDI20160629000657
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 69

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.
954 services790 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.
420 services382 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.
172 services165 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.
167 services163 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.
167 services162 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
130 services122 patients

Hospital Affiliations CMS Care Compare 5

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

Presence Mercy Medical Center

Acute Care Hospitals · Aurora, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140174
Location1325 N Highland AvenueAurora, IL 60506 · Kane County
Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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.

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 Jonathan Tresley's NPI number?

The NPI number for Jonathan Tresley is 1043451081. It was assigned to this individual provider in the NPPES registry on March 22, 2009.

Where is Jonathan Tresley located?

Jonathan Tresley practices at 3815 Highland Ave Dept Of, Downers Grove, IL 60515. The listed phone number is (630) 581-6511.

What is Jonathan Tresley's specialty?

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

Is Jonathan Tresley enrolled in Medicare?

Yes. Jonathan Tresley 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.

Is Jonathan Tresley affiliated with any hospitals?

According to CMS data, Jonathan Tresley is affiliated with Presence Mercy Medical Center, Advocate Illinois Masonic Medical Center, Advocate Christ Hospital & Medical Center, Loyola University Medical Center and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Jonathan Tresley was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.