AHEED J SIDDIQI M.D.
NPI 1346410453
Radiology - Diagnostic Radiology in Downers Grove, IL

Active since March 04, 2008PECOS EnrolledAccepts Medicare Assignment
3815 HIGHLAND AVE, ATTN: RADIOLOGY DEPARTMENT, DOWNERS GROVE, IL 60515(630) 275-5900 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, Dec 30, 2021 (2 updates tracked since 2021).

About Aheed J Siddiqi M.d. NPPES

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

AHEED J SIDDIQI M.D. (NPI 1346410453) is an individual diagnostic radiology provider in Downers Grove, Illinois, licensed in Illinois (036112035) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1346410453
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameAHEED J SIDDIQICredential: M.D.
Location Address3815 HIGHLAND AVE, ATTN: RADIOLOGY DEPARTMENTDowners Grove, IL 60515-1500
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMarch 4, 2008
Last NPPES UpdateMarch 6, 20262 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
NPI 1346410453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in IL · 036112035
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3815 HIGHLAND AVE, 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

Aheed J Siddiqi M.d. 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 ID840361812
PECOS Enrollment IDI20080618000664
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 75

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.
1,016 services824 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.
415 services380 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.
224 services216 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.
200 services193 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.
149 services147 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
116 services111 patients

Hospital Affiliations CMS Care Compare 5

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

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page 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.

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.

Physician Assistant
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Anesthesiology
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Clinical Nurse Specialist (Acute Care)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Clinical Nurse Specialist (Adult Health)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Pain Medicine (Interventional Pain Medicine)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515

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 Aheed Siddiqi's NPI number?

The NPI number for Aheed Siddiqi is 1346410453. It was assigned to this individual provider in the NPPES registry on March 4, 2008.

Where is Aheed Siddiqi located?

Aheed Siddiqi practices at 3815 Highland Ave Attn: Radiology Department, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is Aheed Siddiqi's specialty?

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

Is Aheed Siddiqi enrolled in Medicare?

Yes. Aheed Siddiqi 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 Aheed Siddiqi affiliated with any hospitals?

According to CMS data, Aheed Siddiqi is affiliated with Advocate Illinois Masonic Medical Center, Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital, Loyola University Medical Center and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Aheed Siddiqi 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.