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SAMEER A ANSARI MD, PHD
NPI 1932214152
Radiology - Vascular & Interventional Radiology in Chicago, IL

Active since August 20, 2006PECOS EnrolledAccepts Medicare Assignment
259 E ERIE ST STE 1950, CHICAGO, IL 60611(312) 926-3185 Get Directions Write a Review

NPPES record last updated: June 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2024, Mar 17, 2021, Nov 9, 2017 and 1 more (4 updates tracked since 2017).

About Sameer A Ansari Md, Phd NPPES

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

SAMEER A ANSARI MD, PHD (NPI 1932214152) is an individual vascular & interventional radiology provider in Chicago, Illinois, licensed in Illinois (036107893) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1932214152
Entity TypeIndividualMale
Primary Taxonomy2085R0204X
Provider Legal NameSAMEER A ANSARICredential: MD, PHD
Location Address259 E ERIE ST STE 1950Chicago, IL 60611-3907
Mailing Address259 E Erie St Ste 1950Chicago, IL 60611-3907 · (312) 926-3185
Phone(312) 926-3185
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2000
Enumeration DateAugust 20, 2006
Last NPPES UpdateJune 27, 20244 updates tracked since enumeration
NPPES CertifiedJune 27, 2024
✔ NPI 1932214152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0204X
License✔ Licensed in IL · 036107893
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.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License 036107893 (IL)
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 036107893 (IL)
259 E ERIE ST STE 1950, Chicago, IL 60611
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1120 Spalding DrNaperville, IL 60540-6508 · Phone (215) 740-0191
Location 2676 N Saint Clair St Ste 800Chicago, IL 60611-2978 · Phone (312) 695-5753

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sameer A Ansari Md, Phd 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 ID42216640
PECOS Enrollment IDI20081029000429
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.

Medicare Billing Reassignments

7

Medicare enrollment records show Sameer Ansari reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lurie Children's Medical Group Inc
0.2 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412
University Of Chicago
1.6 mi
Urgent Care
47 W POLK ST STE G1
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1821048786 (Illinois)
  • 150 clinicians in this Medicare group
NPI 1477262046 (773) 702-1061
The University Of Chicago Medical Center
7.3 mi
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
Endeavor Health Medical Group
12 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Edward Health Ventures
16 mi
Clinic/Center
1200 S YORK ST, STE 3160
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1275963027 (331) 221-9090
Northwest Community Health Services Inc
23 mi
Obstetrics
880 W CENTRAL RD STE 6200
Arlington Heights, IL 60005
  • Reassigned Medicare billing, Illinois enrollment
  • 346 clinicians in this Medicare group
NPI 1467057513 (847) 618-0730
Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

Imaging of blood vessel 75898
Imaging of blood vessels, also known as vascular imaging, is a non-invasive procedure that allows doctors to view the condition of your blood vessels. It employs techniques like ultrasound, CT scan, or MRI to capture images, enabling the detection of blockages or abnormalities.
22 services13 patients
Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224
This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.
21 services21 patients
3d radiographic procedure with computerized image postprocessing 76377
A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.
20 services14 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.
18 services16 patients
Occlusion of central nervous system or spinal cord artery 61624
This procedure involves blocking a central nervous system or spinal cord artery to prevent blood flow. It's typically done to treat conditions like aneurysms or vascular malformations. It can help prevent strokes, bleeding, or other serious issues.
15 services13 patients
Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 36227
This procedure involves placing a small tube into an artery in your neck. This is done to diagnose or treat certain conditions. A radiologist, a doctor who specializes in medical imaging, will review the procedure to ensure everything is done correctly.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

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.

Other Providers at the Same Location NPPES 11

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

CRISTA LYNN BROKAMP APRN, CNP
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-8143
SHIVANI PATEL PA-C
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-8143
KAROLINA ADAIR APRN, CNP
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-7950
CAROL A MONTILLA DNP, APRN, AGACNP-BC
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-8143
MS. VALERIE E FUSSELL APRN, CNP
Nurse Practitioner
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-8143
KAITILIN MAHONEY PA-C
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 926-3185
EMIKO YUZAWA RUBIN PA-C
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 926-3185
MICHAEL CAVENDER PA-C
Physician Assistant
259 E ERIE ST STE 1950
CHICAGO, IL 60611
Cook County (312) 695-8143

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 Sameer Ansari's NPI number?

The NPI number for Sameer Ansari is 1932214152. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Where is Sameer Ansari located?

Sameer Ansari practices at 259 E Erie St Ste 1950, Chicago, IL 60611. The listed phone number is (312) 926-3185.

What is Sameer Ansari's specialty?

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

Is Sameer Ansari enrolled in Medicare?

Yes. Sameer Ansari 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.

Which organizations bill Medicare for Sameer Ansari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sameer Ansari reassigns Medicare benefits to 7 organizations: Lurie Children's Medical Group Inc (Chicago, IL), University Of Chicago (Chicago, IL), The University Of Chicago Medical Center (Chicago, IL), Endeavor Health Medical Group (Evanston, IL), Edward Health Ventures (Elmhurst, IL) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sameer Ansari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sameer Ansari accept?

Health plans from Oscar Health list Sameer Ansari 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 Sameer Ansari affiliated with any hospitals?

According to CMS data, Sameer Ansari is affiliated with Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Sameer Ansari was last updated on June 27, 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.