Nader Ismail, DO - Medicare Internal Medicine in Merrillville, IN

Nader Ismail, DO is a medicare enrolled "Internal Medicine - Nephrology" physician in Merrillville, Indiana. His current practice location is 90 W 86th Ave, Merrillville, Indiana. You can reach out to his office (for appointments etc.) via phone at (219) 791-1555.

Nader Ismail is licensed to practice in Indiana (license number 02007817A) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1689135618.

Contact Information

Nader Ismail, DO
90 W 86th Ave,
Merrillville, IN 46410-7086
(219) 791-1555
Not Available

Map and Direction




Physician's Profile

Full NameNader Ismail
GenderMale
SpecialityInternal Medicine - Nephrology
Location90 W 86th Ave, Merrillville, Indiana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1689135618
  • Provider Enumeration Date: 03/31/2019
  • Last Update Date: 10/07/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2163862582
  • Enrollment ID: I20240502002113

Medical Identifiers

Medical identifiers for Nader Ismail such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689135618NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 036.61002 (Illinois)Secondary
207RN0300XInternal Medicine - Nephrology 02007817A (Indiana)Primary

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. Nader Ismail allows following entities to bill medicare on his behalf.
Entity NameNephrology Associates Of Northern Indiana Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578505814
PECOS PAC ID: 8921033440
Enrollment ID: O20051003000799

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. Nader Ismail 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
Nader Ismail, DO
120 W 22nd St,
Oak Brook, IL 60523-1557

Ph: (630) 573-5000
Nader Ismail, DO
90 W 86th Ave,
Merrillville, IN 46410-7086

Ph: (219) 791-1555

Reviews and Comments


Internal Medicine Doctors in Merrillville, IN

Dr. Mihas Mamu Kodenchery, MD
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Dr. Mohammed Asgar, MD
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Gaurav Agarwal, MD
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Phone: 219-884-2640    Fax: 219-884-2810
Larry R Brazley, MD
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Phone: 219-791-0248    Fax: 219-791-0251
Stephanie D Marshall, DO
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Practice Location: 8684 Connecticut St Ste A, Merrillville, IN 46410
Phone: 192-472-8990    Fax: 219-472-0270
Kumar Venkatachalam, MD
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Practice Location: 8895 Broadway, Merrillville, IN 46410
Phone: 219-738-2081    Fax: 219-736-4658

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.