Dr Okwudili Nnaji, M D - Medicare Nephrology in Brooklyn, NY

Dr Okwudili Nnaji, M D is a medicare enrolled "Student In An Organized Health Care Education/training Program" physician in Brooklyn, New York. He graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice University Physicians Of Brooklyn, Inc. and his current practice location is 450 Clarkson Ave, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (718) 270-2848.

Dr Okwudili Nnaji is licensed to practice in New York (license number 273307) 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 1912144403.

Contact Information

Dr Okwudili Nnaji, M D
450 Clarkson Ave,
Brooklyn, NY 11203-2012
(718) 270-2848
Not Available

Map and Direction




Physician's Profile

Full NameDr Okwudili Nnaji
GenderMale
SpecialityNephrology
Experience32 Years
Location450 Clarkson Ave, Brooklyn, New York
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 Okwudili Nnaji graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1912144403
  • Provider Enumeration Date: 01/21/2009
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8224171475
  • Enrollment ID: I20200330000477

Medical Identifiers

Medical identifiers for Dr Okwudili Nnaji such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912144403NPI-NPPES
K400135659OtherWIMEDICARE PTAN
K400135656OtherWIMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 52638-020 (Wisconsin)Secondary
390200000XStudent In An Organized Health Care Education/training Program 273307 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Suny Parkside Dialysis CenterBrooklyn, NYDialysis facility
Suny/downstate University Hospital Of BrooklynBrooklyn, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Physicians Of Brooklyn, Inc.0749192284155

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 Okwudili Nnaji allows following entities to bill medicare on his behalf.
Entity NameUniversity Physicians Of Brooklyn, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366506271
PECOS PAC ID: 0749192284
Enrollment ID: O20040401000120

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 Okwudili Nnaji 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 Okwudili Nnaji, M D
4777 N Diversey Blvd,
Whitefish Bay, WI 53211-1012

Ph: (718) 809-2689
Dr Okwudili Nnaji, M D
450 Clarkson Ave,
Brooklyn, NY 11203-2012

Ph: (718) 270-2848

Reviews and Comments



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.