Dr Wadah Atassi, MD - Medicare Nephrology in Chicago, IL

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Dr Wadah Atassi, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Chicago, Illinois. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Nephrology Associates Of Northern Illinois Ltd and his current practice location is 2701 W 68th Street, Professional Pavilion 4 South, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (773) 735-4884.

Dr Wadah Atassi is licensed to practice in Illinois (license number 036081178) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1336125327.

Contact Information

Dr Wadah Atassi, MD
2701 W 68th Street, Professional Pavilion 4 South,
Chicago, IL 60629-1813
(773) 735-4884
(773) 735-2625

Map and Direction




Physician's Profile

Full NameDr Wadah Atassi
GenderMale
SpecialityNephrology
Experience39 Years
Location2701 W 68th Street, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Wadah Atassi graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1336125327
  • Provider Enumeration Date: 12/21/2005
  • Last Update Date: 02/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1456255140
  • Enrollment ID: I20040202000554

Medical Identifiers

Medical identifiers for Dr Wadah Atassi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336125327NPI-NPPES
01615184OtherILBCBS
01621679OtherILBCBS OF IL
036081178MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 036081178 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Fmc - Southside Dialysis CenterChicago, ILDialysis facility
Affiliated Dialysis CentersOak park, ILDialysis facility
Concerto DialysisCrestwood, ILDialysis facility
Holy Cross HospitalChicago, ILHospital
Osf Little Company Of Mary Medical CenterEvergreen park, ILHospital
Jackson Park HospitalChicago, ILHospital
St Bernard HospitalChicago, ILHospital
South Shore HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Nephrology Associates Of Northern Illinois Ltd216332867593

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Wadah Atassi allows following entities to bill medicare on his behalf.
Entity NameNephrology Associates Of Northern Illinois Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124069182
PECOS PAC ID: 2163328675
Enrollment ID: O20031208000313
Entity NameWillow Springs Surgery Center Ltd
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1467429233
PECOS PAC ID: 5092783712
Enrollment ID: O20040921000585
Entity NameKidney And Hypertension Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265511984
PECOS PAC ID: 3577595545
Enrollment ID: O20050910000077

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Wadah Atassi is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Wadah Atassi, MD
120 W 22nd St Ste 200,
Oak Brook, IL 60523-1563

Ph: (630) 573-5000		Dr Wadah Atassi, MD
2701 W 68th Street, Professional Pavilion 4 South,
Chicago, IL 60629-1813

Ph: (773) 735-4884

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.