Nephrology Associates of Northern Illinois, LTD.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

Legal business name

NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.

Practice address

120 W 22ND St
Oak Brook, IL 60523-1557

Phone

(630) 573-5000

Fax

(303) 680-2806

NPI assigned

Jul 27, 2007

Last updated

Aug 27, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Manish TannaNPI 1821096470

Title

MD

Phone

(630) 573-5000

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Nephrology Associates of Northern Illinois LTD

  • Nephrology Physician
  • Rockford, IL
  • NPI 1043418908

  O20031208000313

  Same enrollment
• Nephrology Associates of Northern Illinois, LTD.

  • Nephrology Physician
  • Oak Brook, IL
  • NPI 1124069182

  O20031208000313

  Same enrollment

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Tax ID family

Nephrology Associates of Northern Illinois5 organizations share this tax ID, including this one

Other organizations with this tax ID 4

Organizations that report the same tax identification number in the National Provider Directory.

• Nephrology Associates of Northern Illinois

  • Nephrology Physician
  • Crystal Lake, IL
  • NPI 1447403852
  NPD tax ID
• Nephrology Associates of Northern Illinois LTD

  • Nephrology Physician
  • Rockford, IL
  • NPI 1043418908
  NPD tax ID
• Nephrology Associates of Northern Illinois, LTD.

  • Nephrology Physician
  • Oak Brook, IL
  • NPI 1124069182
  NPD tax ID
• Nephrology Associates of Northern Illinois

  • Nephrology Physician
  • Monroe, WI
  • NPI 1063605053
  NPD tax ID

Locations

Practitioners 138

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Manish Tanna, MD

  • Nephrology Physician
  • Mount Prospect, IL
  • NPI 1821096470
  NPD Authorized official
• Mohammed Shujauddin Ahmed, D.O.

  • Nephrology Physician
  • Bolingbrook, IL
  • NPI 1962588061
  NPD
• Naila I Ahmed, MD

  • Nephrology Physician
  • Joliet, IL
  • NPI 1447368949
  NPD
• Akash Ahuja, MD

  • Nephrology Physician
  • Evergreen Park, IL
  • NPI 1306879929
  NPD
• Nino Alapishvili

  • Nephrology Physician
  • Gurnee, IL
  • NPI 1508033226
  NPD
• Nahid Alavi, MD

  • Nephrology Physician
  • Hoffman Estates, IL
  • NPI 1801973649
  NPD
• Rudolph Albores, MD

  • Internal Medicine Physician
  • Westmont, IL
  • NPI 1285692889
  NPD
• Anne C Allen

  • Physician Assistant
  • Elk Grove Village, IL
  • NPI 1598889370
  NPD
• Amatur Rehman Amarah, M.D.

  • Nephrology Physician
  • Chicago, IL
  • NPI 1598036840
  NPD
• Matthew Robert Andersen, M.D.

  • Nephrology Physician
  • Berwyn, IL
  • NPI 1265637623
  NPD
• Amit Arora, M.D.

  • Nephrology Physician
  • Crystal Lake, IL
  • NPI 1831378330
  NPD
• Sumit Bector, MD

  • Nephrology Physician
  • Crystal Lake, IL
  • NPI 1487831202
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1185494400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756252800000",
    "number": "1134319924",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231557",
            "telephone_number": "630-573-5000",
            "fax_number": "630-368-0280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231557",
            "telephone_number": "630-573-5000",
            "fax_number": "303-680-2806"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2340 S Highland Ave Ste 160",
            "address_purpose": "LOCATION",
            "city": "Lombard",
            "state": "IL",
            "postal_code": "601485395",
            "country_code": "US",
            "telephone_number": "630-495-9356",
            "fax_number": "630-495-9357",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5201 Willow Springs Rd Ste 260",
            "address_purpose": "LOCATION",
            "city": "LA Grange Highlands",
            "state": "IL",
            "postal_code": "605256537",
            "country_code": "US",
            "telephone_number": "708-354-1306",
            "fax_number": "708-354-1538",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "396 Remington Blvd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Bolingbrook",
            "state": "IL",
            "postal_code": "604404311",
            "country_code": "US",
            "telephone_number": "630-495-9356",
            "fax_number": "630-495-9357",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "911 N Elm St Ste 102",
            "address_purpose": "LOCATION",
            "city": "Hinsdale",
            "state": "IL",
            "postal_code": "605213640",
            "country_code": "US",
            "telephone_number": "630-495-9356",
            "fax_number": "630-495-9357",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 N Winfield Rd Ste 414",
            "address_purpose": "LOCATION",
            "city": "Winfield",
            "state": "IL",
            "postal_code": "601901379",
            "country_code": "US",
            "telephone_number": "630-690-1220",
            "fax_number": "630-690-5323",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "302 Randall Rd Ste 205",
            "address_purpose": "LOCATION",
            "city": "Geneva",
            "state": "IL",
            "postal_code": "601344219",
            "country_code": "US",
            "telephone_number": "630-690-1220",
            "fax_number": "630-208-1667",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-07-27",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A",
        "authorized_official_last_name": "TANNA",
        "authorized_official_first_name": "MANISH",
        "authorized_official_title_or_position": "MD",
        "authorized_official_telephone_number": "630-573-5000"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "1616108",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR-GROUP DUPAGE",
            "identifier": "CD3741",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hawa Navarro, LCSW
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• Abid Khalid Nazeer, M.D.
• Alan P. Nazerian, M.D.
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• Nephrology Physician in Oak Brook, IL
• Providers in Oak Brook, IL by specialty
• Nephrology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.