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WILLOW SPRINGS SURGERY CENTER, LLC
NPI 1467429233
Clinic/Center - Ambulatory Surgical in Addison, IL

Active since March 01, 2006CLIA 14D1054952 · Waiver
2055 W ARMY TRAIL RD STE 110N, ADDISON, IL 60101(773) 284-9247 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 4, 2026, Nov 13, 2025, Mar 7, 2025 and 5 more (8 updates tracked since 2019).

About Willow Springs Surgery Center, Llc NPPES

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

WILLOW SPRINGS SURGERY CENTER, LLC (NPI 1467429233), doing business as Nani Vascular At Addison, is a healthcare organization registered as an ambulatory surgical in Addison, Illinois and active in the NPI registry since March 2006. The organization holds a CLIA Waiver certificate valid through June 5, 2028 and lists Manish Tanna, President, as its authorized official.

NPPES Registry Identity

NPI1467429233
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameWILLOW SPRINGS SURGERY CENTER, LLC
Location Address2055 W ARMY TRAIL RD STE 110NAddison, IL 60101-1478
Mailing Address120 W 22nd St Ste 200Oak Brook, IL 60523-1563 · (630) 573-5000
Phone(773) 284-9247
Organization SubpartNo
Authorized OfficialManish TannaPresident · (630) 573-5000
Enumeration DateMarch 1, 2006
Last NPPES UpdateFebruary 4, 20268 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1467429233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
License✔ Licensed in IL · 7002744
2055 W ARMY TRAIL RD STE 110N, Addison, IL 60101
Open in Google Maps ↗

Other Names 2

Doing Business AsNani Vascular At Addison
Doing Business AsForest Med-surg Center

Other Identifiers 1

Other7003273IL · License

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Willow Springs Surgery Center, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Willow Springs Surgery Center, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Andrew Kowalski, M.D.
Nephrology
NPI 1114293123
2055 W ARMY TRAIL RD STE 110E
Addison, IL 60101
(773) 284-9247
✔ PECOS✔ Accepts MedicareSame address
Khurram Saleem, M.D.
Nephrology
NPI 1467730192
901 BIESTERFIELD RD S-310
Elk Grove Village, IL 60007
(847) 952-9332
✔ PECOS✔ Accepts Medicare5.0 mi
Mohamed Rahman, MD
Nephrology
NPI 1770580672
800 BIESTERFIELD RD STE 104
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare5.2 mi
Ernest De Jesus, MD
Nephrology
NPI 1295737088
25 WINFIELD ROAD SUITE 414
Winfield, IL 60190
(630) 690-1220
✔ PECOS7.1 mi
Kevin Pandya, M.D.
Nephrology
NPI 1972759298
120 SPALDING DR STE 410 NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS
Naperville, IL 60540
(630) 369-0780
✔ PECOS13 mi
Mohammad Deen, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1396219176
3249 OAK PARK AVE
Berwyn, IL 60402
(170) 878-3910
✔ PECOS✔ Accepts Medicare15 mi
Wadah Atassi, MD
Nephrology
NPI 1336125327
2701 W 68TH STREET PROFESSIONAL PAVILION 4 SOUTH
Chicago, IL 60629
(773) 735-4884
✔ PECOS✔ Accepts Medicare21 mi
Gautam Bhanushali, MD
Nephrology
NPI 1073829990
2701 W 68TH STREET PROFESSIONAL PAVILION 4 SOUTH
Chicago, IL 60629
(773) 735-4884
✔ PECOS✔ Accepts Medicare21 mi
Yassir Sirajeldin, M.D.
Nephrology
NPI 1306111463
22250 PROVIDENCE DR STE 406
Southfield, MI 48075
(248) 557-9010
✔ PECOS✔ Accepts Medicare251 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D1054952

Willow Springs Surgery Center, LLC · Addison, IL
Active · expires Jun 5, 2028
CLIA Number14D1054952
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateJune 6, 2026
Certificate Expiration DateJune 5, 2028
Laboratory DirectorMohamed Rahman
Laboratory Phone(773) 284-9247
Laboratory LocationWillow Springs Surgery Center, LLC2055 Army Trail Rd - Ste 110N, Addison, IL 60101
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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.

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902
This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.
138 services90 patients
Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube 36905
This procedure involves eliminating a blood clot in your hemodialysis circuit, ensuring smooth blood flow. A balloon tube is used to widen the dialysis segment if needed. Images are taken and reviewed by a radiologist to confirm successful completion.
37 services23 patients
Removal of tunneled central venous tube 36589
A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.
32 services32 patients
Replacement of tunneled central venous tube 36581
A tunneled central venous tube replacement is a procedure where an existing tube, used to deliver medication or nutrition directly to a large vein, is replaced. This is done under local anesthesia and involves inserting a new tube through a small incision.
29 services19 patients
Insertion of needle and/or tube into hemodialysis circuit with review by radiologist 36901
This procedure involves inserting a needle or tube into your hemodialysis circuit, which is part of the system that cleans your blood when your kidneys can't. A radiologist, a doctor specialized in imaging techniques, will review the process to ensure everything is correct.
28 services27 patients
Relocation of arm vein with connection to arm artery for hemodialysis 36821
This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.
11 services11 patients

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 Willow Springs Surgery Center, LLC's NPI number?

The NPI number for Willow Springs Surgery Center, LLC is 1467429233. It was assigned to this organization in the NPPES registry on March 1, 2006. The provider is doing business as NANI Vascular at Addison and forest med-surg center.

Where is Willow Springs Surgery Center, LLC located?

Willow Springs Surgery Center, LLC is located at 2055 W Army Trail Rd Ste 110N, Addison, IL 60101. The listed phone number is (773) 284-9247.

What is Willow Springs Surgery Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Is Willow Springs Surgery Center, LLC enrolled in Medicare?

Yes. Willow Springs Surgery Center, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Willow Springs Surgery Center, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Willow Springs Surgery Center, LLC. A 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 the clinician's services. The largest specialties are Nephrology (8) and Certified Registered Nurse Anesthetist (CRNA) (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Willow Springs Surgery Center, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1054952) is associated with this NPI, valid through June 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Willow Springs Surgery Center, LLC accept?

Health plans from Oscar Health list Willow Springs Surgery Center, LLC 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.

When was this NPI record last updated?

The NPPES record for Willow Springs Surgery Center, LLC was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.