DR. AHSUN RIAZ M.D.
NPI 1255642047
Radiology - Vascular & Interventional Radiology in Chicago, IL

Q: What is Ahsun Riaz's NPI number?

The NPI number for Ahsun Riaz is 1255642047. It was assigned to this individual provider in the NPPES registry on June 25, 2010.

Q: What is Ahsun Riaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Q: When was this NPI record last updated?

The NPPES record for Ahsun Riaz was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since June 25, 2010PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

201 E HURON ST FL 4, CHICAGO, IL 60611(312) 695-5753(312) 695-5645 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 3, 2025, Jul 1, 2016 (2 updates tracked since 2016).

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About Dr. Ahsun Riaz M.d. NPPES

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

DR. AHSUN RIAZ M.D. (NPI 1255642047) is an individual vascular & interventional radiology provider in Chicago, Illinois, licensed in Illinois (036137801) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1255642047

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameDR. AHSUN RIAZCredential: M.D.

Location Address201 E HURON ST FL 4Chicago, IL 60611-3197

Mailing Address676 N Saint Clair St Ste 800Chicago, IL 60611-2978 · (312) 926-2000

Phone(312) 695-5753

Fax(312) 695-5645

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateJune 25, 2010

Last NPPES UpdateNovember 3, 20252 updates tracked since enumeration

NPPES CertifiedNovember 3, 2025

✔ NPI 1255642047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

License✔ Licensed in IL · 036137801

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

201 E HURON ST FL 4, Chicago, IL 60611

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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. Ahsun Riaz 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 ID9739472598

PECOS Enrollment IDI20160801002231

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 13

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.

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

153 services126 patients

Replacement of liver duct drainage tube using imaging guidance with review by radiologist 47536

This procedure involves replacing a liver duct drainage tube, which helps remove bile from your liver. A radiologist uses imaging technology to guide the process, ensuring accurate placement of the new tube. They will also review the results for precision.

85 services33 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

54 services53 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

36 services35 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

36 services36 patients

Needle biopsy of kidney 50200

A needle biopsy of the kidney is a medical procedure where a small sample of kidney tissue is removed using a special needle. This is done to examine the tissue under a microscope for any abnormalities. It helps in diagnosing potential kidney conditions.

25 services24 patients

Removal of biliary drainage tube using imaging guidance with review by radiologist 47537

This procedure involves the careful removal of a tube from your bile duct, which was placed there to help drain bile. Imaging technology assists in ensuring accurate and safe removal. A radiologist reviews the procedure to confirm successful execution.

21 services19 patients

Placement of internal-external drainage tube of biliary duct using imaging guidance with review by radiologist 47534

This procedure involves inserting a drainage tube into your biliary duct, which carries bile from the liver to the intestine. Imaging guidance helps ensure accurate placement. A radiologist reviews the process to confirm successful tube positioning.

18 services14 patients

Replacement of stomach-to-small bowel tube using fluoroscopic guidance with contrast 49452

This is a procedure where a tube connecting your stomach to your small bowel is replaced. Fluoroscopic guidance, a type of imaging technique, is used for accuracy. Contrast material helps enhance the visibility of internal structures.

18 services16 patients

Insertion of central venous tube with port (5 years or older) 36561

A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.

17 services17 patients

Replacement of kidney drainage tube using imaging guidance with review by radiologist 50435

This procedure involves replacing an existing kidney drainage tube. Using imaging technology, a radiologist precisely guides the process to ensure accuracy. This helps drain excess fluid from kidneys, improving their function and your comfort.

16 services11 patients

Review by radiologist of image for replacement of stomach or large bowel tube 75984

This procedure involves a radiologist examining images to assess the placement of a tube in your stomach or large bowel. The tube helps with digestion or removal of waste. The radiologist's review ensures the tube is correctly positioned for your safety and comfort.

15 services11 patients

Needle biopsy or removal of surface lymph nodes 38505

A needle biopsy or removal of surface lymph nodes is a procedure where a small needle is inserted into a lymph node to collect a tissue sample. This sample is then examined under a microscope to check for diseases such as cancer. The procedure is usually quick and minimally invasive.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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.

94.1/100

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

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES

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

FREDERICK HOFF MD

Radiology (Diagnostic Radiology)

201 E HURON ST FL 4
CHICAGO, IL 60611

Cook County (312) 695-3690

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 Ahsun Riaz's NPI number?

The NPI number for Ahsun Riaz is 1255642047. It was assigned to this individual provider in the NPPES registry on June 25, 2010.

Where is Ahsun Riaz located?

Ahsun Riaz practices at 201 E Huron St Fl 4, Chicago, IL 60611. The listed phone number is (312) 695-5753.

What is Ahsun Riaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Ahsun Riaz enrolled in Medicare?

Yes. Ahsun Riaz 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 Ahsun Riaz affiliated with any hospitals?

According to CMS data, Ahsun Riaz is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Ahsun Riaz was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.