Zain Nayani, DO, MPH - Medicare Addiction Medicine in Winfield, IL

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Zain Nayani, DO, MPH is a medicare enrolled "Internal Medicine - Addiction Medicine" physician in Winfield, Illinois. He went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 2021 and has 5 years of diverse experience with area of expertise as Addiction Medicine. He is a member of the group practice Rush University Medical Group and his current practice location is 27w350 High Lake Rd, Winfield, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 933-4970.

Zain Nayani is licensed to practice in Illinois (license number 036168972) 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 1902489172.

Contact Information

Zain Nayani, DO, MPH
27w350 High Lake Rd,
Winfield, IL 60190-1262
(630) 933-4970
(630) 933-1935

Map and Direction




Physician's Profile

Full NameZain Nayani
GenderMale
SpecialityAddiction Medicine
Experience5 Years
Location27w350 High Lake Rd, Winfield, 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:
  • Zain Nayani attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 2021
  NPI Data:
  • NPI Number: 1902489172
  • Provider Enumeration Date: 05/04/2021
  • Last Update Date: 09/03/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1456752948
  • Enrollment ID: I20250520001440

Medical Identifiers

Medical identifiers for Zain Nayani such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902489172NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice 036168972 (Illinois)Secondary
207R00000XInternal Medicine 036168972 (Illinois)Secondary
207RA0401XInternal Medicine - Addiction Medicine 036168972 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rush University Medical CenterChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rush University Medical Group54966588741521

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. Zain Nayani allows following entities to bill medicare on his behalf.
Entity NameRush University Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093819542
PECOS PAC ID: 5496658874
Enrollment ID: O20040202000228
Entity NameSignify Health Medical Associates PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750845863
PECOS PAC ID: 2163764424
Enrollment ID: O20190507001451

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. Zain Nayani 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
Zain Nayani, DO, MPH
27w350 High Lake Rd,
Winfield, IL 60190-1262

Ph: (630) 933-4970		Zain Nayani, DO, MPH
27w350 High Lake Rd,
Winfield, IL 60190-1262

Ph: (630) 933-4970

Reviews and Comments


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Margaret Eve Morrison, M.D
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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).

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