DR. WADAH ATASSI MD
NPI 1336125327
Internal Medicine - Nephrology in Chicago, IL

Active since December 21, 2005PECOS EnrolledAccepts Medicare Assignment
2701 W 68TH STREET, PROFESSIONAL PAVILION 4 SOUTH, CHICAGO, IL 60629(773) 735-4884(773) 735-2625 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 4, 2025, Feb 1, 2023, Dec 29, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Wadah Atassi Md NPPES

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

DR. WADAH ATASSI MD (NPI 1336125327) is an individual nephrology provider in Chicago, Illinois, licensed in Illinois (036081178) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1336125327
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WADAH ATASSICredential: MD
Location Address2701 W 68TH STREET, PROFESSIONAL PAVILION 4 SOUTHChicago, IL 60629-1813
Mailing Address120 W 22nd St Ste 200Oak Brook, IL 60523-1563 · (630) 573-5000
Fax(773) 735-2625
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateDecember 21, 2005
Last NPPES UpdateAugust 4, 20254 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
NPI 1336125327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in IL · 036081178
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
2701 W 68TH STREET, Chicago, IL 60629

Secondary Practice Locations 2

Location 12055 W Army Trail Rd Ste 110EAddison, IL 60101-1478 · Phone (773) 483-2200 · Fax (773) 483-2201
Location 26307 S Stewart Ave Ste 210Chicago, IL 60621-3116 · Phone (773) 483-2200 · Fax (773) 483-2201

Other Identifiers 3

Other01621679IL · Bcbs Of Il
Medicaid036081178IL
Other01615184IL · Bcbs

Accepted Insurance

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. Wadah Atassi 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 ID1456255140
PECOS Enrollment IDI20040202000554
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 14

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
159 services83 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
125 services56 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
97 services18 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
71 services16 patients
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.
52 services41 patients
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.
49 services39 patients

Hospital Affiliations CMS Care Compare 5

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

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

St Bernard Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140103
Location326 W 64th StChicago, IL 60621 · Cook County
Emergency services

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140133
Location2701 W 68th StreetChicago, IL 60629 · Cook County
Emergency services

Jackson Park Hospital

Acute Care Hospitals · Chicago, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number140177
Location7531 S Stony Island AveChicago, IL 60649 · Cook County
Emergency services

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60629 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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 3

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

Internal Medicine (Nephrology)
2701 W 68TH STREET, PROFESSIONAL PAVILION 4 SOUTH
CHICAGO, IL 60629
Psychologist (Clinical)
2701 W 68TH STREET
CHICAGO, IL 60629
Psychologist (Clinical)
2701 W 68TH STREET
CHICAGO, IL 60629

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 Wadah Atassi's NPI number?

The NPI number for Wadah Atassi is 1336125327. It was assigned to this individual provider in the NPPES registry on December 21, 2005.

Where is Wadah Atassi located?

Wadah Atassi practices at 2701 W 68th Street Professional Pavilion 4 South, Chicago, IL 60629. The listed phone number is (773) 735-4884.

What is Wadah Atassi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Wadah Atassi enrolled in Medicare?

Yes. Wadah Atassi 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.

What insurance does Wadah Atassi accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Wadah Atassi 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 Wadah Atassi affiliated with any hospitals?

According to CMS data, Wadah Atassi is affiliated with Advocate Trinity Hospital, St Bernard Hospital, Holy Cross Hospital, Jackson Park Hospital and Osf Little Company Of Mary Medical Center.

When was this NPI record last updated?

The NPPES record for Wadah Atassi was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.