Active NPI
Nephrology Associates of Northern Illinois, LTD.
- Nephrology Physician
- Oak Brook, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- Legal business name
- NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.
- Practice address
- 120 W 22ND St Ste 200
Oak Brook, IL 60523-1563 - Phone
- (630) 575-5000
- NPI assigned
- Jun 9, 2006
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Manish Tanna, MD
- Title
- President
- Phone
- (630) 573-5000
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | Primary |
Addresses
Primary practice location
120 W 22ND St Ste 200
Oak Brook, IL 60523-1563
Mailing address
120 W 22ND St
Oak Brook, IL 60523-1563
Phone (630) 573-5000
Other practice location 1
15 S McHenry Rd Fl 2
Buffalo Grove, IL 60089-6705
Phone (847) 439-8780
Other practice location 2
800 Biesterfield Rd Ste G01
Elk Grove Village, IL 60007-3372
Phone (847) 981-3680
Other practice location 3
10370 Haligus Rd Ste 103
Huntley, IL 60142-9582
Phone (847) 531-5911
Other practice location 4
901 Biesterfield Rd Ste 310
Elk Grove Village, IL 60007-7324
Phone (847) 952-9332
Other practice location 5
2701 W 68th St
Chicago, IL 60629-1813
Phone (773) 735-4884
Other practice location 6
675 W North Ave Ste 402
Melrose Park, IL 60160-1624
Phone (708) 450-4551
Other practice location 7
1345 Edwards St Ste 3
Morris, IL 60450-1692
Phone (815) 905-2209
Other practice location 8
800 Biesterfield Rd Bldg Ste 101
Elk Grove Village, IL 60007-3361
Phone (847) 427-7100
Other practice location 9
9125 S Pulaski Rd
Evergreen Park, IL 60805-1441
Phone (708) 422-7715
Other practice location 10
2850 W 95th St Ste 300
Evergreen Park, IL 60805-2741
Phone (773) 735-4884
Other practice location 11
1600 N Randall Rd Ste 135
Elgin, IL 60123-7810
Phone (847) 531-5911
Other practice location 12
412 63rd St Ste 100
Downers Grove, IL 60516-2000
Phone (331) 775-2783
Other practice location 13
910 Greenlee St Unit B
Marengo, IL 60152-8200
Phone (815) 301-1001
Other practice location 14
2055 W Army Trail Rd Ste 110N
Addison, IL 60101-1478
Phone (773) 284-9247
Other practice location 15
251 N Cass Ave Ste 100
Westmont, IL 60559-1745
Phone (630) 963-0309
Other practice location 16
390 E Congress Pkwy Ste C
Crystal Lake, IL 60014-6202
Phone (815) 301-1001
Other practice location 17
6307 S Stewart Ave Ste 210
Chicago, IL 60621-3116
Phone (773) 483-2200
Other practice location 18
13755 Cicero Ave
Crestwood, IL 60418-1824
Phone (708) 388-0499
Other practice location 19
6438 Joliet Rd Ste 203
Countryside, IL 60525-4624
Phone (708) 352-5222
Other practice location 20
16605 107th St
Orland Park, IL 60467-9016
Phone (708) 226-9860
Other practice location 21
1875 W Dempster St Ste 605
Park Ridge, IL 60068-1168
Phone (847) 439-8780
Other practice location 22
2560 Hauser Ross Dr Ste 450
Sycamore, IL 60178-3185
Phone (815) 301-1001
Other practice location 23
1475 E Belvidere Rd Ste 317
Grayslake, IL 60030-2016
Phone (847) 855-9152
Other practice location 24
1425 N Hunt Club Rd Ste 301
Gurnee, IL 60031-2639
Phone (847) 855-9152
Other practice location 25
1555 N Barrington Rd Ste 3400
Hoffman Estates, IL 60169-1023
Phone (847) 952-9332
Other practice location 26
1345 Ryan Pkwy
Algonquin, IL 60102-4530
Phone (847) 531-5911
Other practice location 27
12250 S Cicero Ave Ste 112
Alsip, IL 60803-2946
Phone (708) 371-5308
Other practice location 28
28160 W Northwest Hwy Ste 105
Lake Barrington, IL 60010-2332
Phone (815) 301-1001
Other practice location 29
2222 W Division St Ste 260
Chicago, IL 60622-2990
Phone (708) 252-5809
Other practice location 30
6948 W Windsor Ave
Berwyn, IL 60402-3335
Phone (708) 749-4617
Other practice location 31
3100 Theodore St Ste 201
Joliet, IL 60435-0605
Phone (815) 905-2209
Other practice location 32
1890 Silver Cross Blvd Ste 415
New Lenox, IL 60451-9575
Phone (815) 717-8750
Other practice location 33
1625 E 75th St Ste 328
Chicago, IL 60649-3603
Phone (773) 947-7841
Other practice location 34
601 W Golf Rd Ste 105
Mount Prospect, IL 60056-4276
Phone (847) 439-8780
Other practice location 35
2740 W Foster Ave Ste 405
Chicago, IL 60625-3532
Phone (872) 208-7619
Other practice location 36
104 S Ashland Ave
Chicago, IL 60607-2402
Phone (312) 850-8434
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| C30486 | Other | IL | RR-GROUP COOK |
| 1616108 | Other | IL | BLUE CROSS BLUE SHIELD |
Other names 1
- NANI
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20031208000313 | IL | Part B Supplier - Clinic/Group Practice | 2163328675 |
Receives reassigned benefits from 163 practitioners 2 other NPIs on this enrollment Practice locations: Gurnee, IL; Harvey, IL; Hinsdale, IL; Hoffman Estates, IL; Huntley, IL; Joliet, IL; La Grange Highlands, IL; Lake Barrington, IL… |
Other NPIs on the same Medicare enrollment 2
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
- Nephrology Physician
- Rockford, IL
- NPI 1043418908
O20031208000313
-
- Nephrology Physician
- Oak Brook, IL
- NPI 1134319924
O20031208000313
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 14D1005883 | Nephrology Associates | Certificate of waiver | Oct 31, 2026 |
National Provider Directory
National Provider Directory- Tax ID family
- Nephrology Associates of Northern Illinois
Other organizations with this tax ID 4
Organizations that report the same tax identification number in the National Provider Directory.
-
- Nephrology Physician
- Crystal Lake, IL
- NPI 1447403852
-
- Nephrology Physician
- Rockford, IL
- NPI 1043418908
-
- Nephrology Physician
- Oak Brook, IL
- NPI 1134319924
-
- Nephrology Physician
- Monroe, WI
- NPI 1063605053
Locations (25 of 66)
2055 W Army Trail Rd
Ste 110E
Addison, IL 60101
Phone (773) 284-9247
2055 W Army Trail Rd
Ste 110N
Addison, IL 60101
Phone (773) 284-9247
12250 S Cicero Ave
Ste 112
Alsip, IL 60803
Phone (708) 371-5308
2010 S Arlington Heights Rd
Ste 225
Arlington Heights, IL 60005
Phone (872) 222-7830
17 W Golf Rd
Arlington Hts, IL 60005
Phone (847) 437-2188
6527 Stanley Ave
Berwyn, IL 60402
2310 York St
Ste 4A
Blue Island, IL 60406
Phone (708) 489-7940
2310 York St
#5A
Blue Island, IL 60406
Phone (708) 597-9933
2310 York St
Ste A
Blue Island, IL 60406
2310 York St
Ste 3B
Blue Island, IL 60406
Phone (708) 388-0499
2310 York St
#3B
Blue Island, IL 60406
Phone (708) 388-0499
15 S McHenry Rd
Fl 2
Buffalo Grove, IL 60089
Phone (847) 439-8780
15 S McHenry Rd
Fl 3
Buffalo Grove, IL 60089
Phone (847) 212-3885
1450 Busch Pkwy
#3
Buffalo Grove, IL 60089
7721 S Western Ave
Chicago, IL 60620
Phone (773) 471-0400
2320 E 93rd St
Ste 236
Chicago, IL 60617
Phone (773) 947-7841
3134 W 76th St
Side Dialysis
Chicago, IL 60652
Phone (773) 471-2805
820 W Jackson Blvd
Chicago, IL 60607
Phone (312) 563-4134
7009 W Belmont Ave
Chicago, IL 60634
Phone (773) 348-0101
7531 S Stony Island Ave
Ste 160
Chicago, IL 60649
5509 N Cumberland Ave
Chicago, IL 60656
Phone (773) 631-8296
1835 W Harrison St
Chicago, IL 60612
Phone (312) 633-6000
1625 E 75th St
Ste 328
Chicago, IL 60649
Phone (773) 947-7841
6307 S Stewart Ave
Ste S203
Chicago, IL 60621
7531 S Stony Island Ave
#158160
Chicago, IL 60649
Phone (773) 947-7841
Practitioners & affiliated clinicians
Practitioners 187
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149811200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1770163200000",
"number": "1124069182",
"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": "605231563",
"telephone_number": "630-573-5000",
"fax_number": "630-368-0280"
},
{
"country_code": "US",
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"address_1": "120 W 22ND ST STE 200",
"city": "OAK BROOK",
"state": "IL",
"postal_code": "605231563",
"telephone_number": "630-575-5000"
}
],
"practiceLocations": [
{
"address_1": "15 S McHenry Rd Fl 2",
"address_purpose": "LOCATION",
"city": "Buffalo Grove",
"state": "IL",
"postal_code": "600896705",
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"telephone_number": "847-439-8780",
"fax_number": "847-439-8940",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "800 Biesterfield Rd Ste G01",
"address_purpose": "LOCATION",
"city": "Elk Grove Village",
"state": "IL",
"postal_code": "600073372",
"country_code": "US",
"telephone_number": "847-981-3680",
"fax_number": "847-956-5122",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "10370 Haligus Rd Ste 103",
"address_purpose": "LOCATION",
"city": "Huntley",
"state": "IL",
"postal_code": "601429582",
"country_code": "US",
"telephone_number": "847-531-5911",
"fax_number": "847-531-5922",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "901 Biesterfield Rd Ste 310",
"address_purpose": "LOCATION",
"city": "Elk Grove Village",
"state": "IL",
"postal_code": "600077324",
"country_code": "US",
"telephone_number": "847-952-9332",
"fax_number": "847-952-9338",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2701 W 68th St",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606291813",
"country_code": "US",
"telephone_number": "773-735-4884",
"fax_number": "773-735-2625",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "675 W North Ave Ste 402",
"address_purpose": "LOCATION",
"city": "Melrose Park",
"state": "IL",
"postal_code": "601601624",
"country_code": "US",
"telephone_number": "708-450-4551",
"fax_number": "708-681-9711",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1345 Edwards St Ste 3",
"address_purpose": "LOCATION",
"city": "Morris",
"state": "IL",
"postal_code": "604501692",
"country_code": "US",
"telephone_number": "815-905-2209",
"fax_number": "815-744-5428",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "800 Biesterfield Rd Bldg Ste 101",
"address_purpose": "LOCATION",
"city": "Elk Grove Village",
"state": "IL",
"postal_code": "600073361",
"country_code": "US",
"telephone_number": "847-427-7100",
"fax_number": "847-981-6050",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "9125 S Pulaski Rd",
"address_purpose": "LOCATION",
"city": "Evergreen Park",
"state": "IL",
"postal_code": "608051441",
"country_code": "US",
"telephone_number": "708-422-7715",
"fax_number": "708-422-7816",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2850 W 95th St Ste 300",
"address_purpose": "LOCATION",
"city": "Evergreen Park",
"state": "IL",
"postal_code": "608052741",
"country_code": "US",
"telephone_number": "773-735-4884",
"fax_number": "773-735-2625",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1600 N Randall Rd Ste 135",
"address_purpose": "LOCATION",
"city": "Elgin",
"state": "IL",
"postal_code": "601237810",
"country_code": "US",
"telephone_number": "847-531-5911",
"fax_number": "847-531-5922",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "412 63rd St Ste 100",
"address_purpose": "LOCATION",
"city": "Downers Grove",
"state": "IL",
"postal_code": "605162000",
"country_code": "US",
"telephone_number": "331-775-2783",
"fax_number": "866-399-1492",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "910 Greenlee St Unit B",
"address_purpose": "LOCATION",
"city": "Marengo",
"state": "IL",
"postal_code": "601528200",
"country_code": "US",
"telephone_number": "815-301-1001",
"fax_number": "815-301-1002",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2055 W Army Trail Rd Ste 110N",
"address_purpose": "LOCATION",
"city": "Addison",
"state": "IL",
"postal_code": "601011478",
"country_code": "US",
"telephone_number": "773-284-9247",
"fax_number": "630-773-2849",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "251 N Cass Ave Ste 100",
"address_purpose": "LOCATION",
"city": "Westmont",
"state": "IL",
"postal_code": "605591745",
"country_code": "US",
"telephone_number": "630-963-0309",
"fax_number": "855-223-1723",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "390 E Congress Pkwy Ste C",
"address_purpose": "LOCATION",
"city": "Crystal Lake",
"state": "IL",
"postal_code": "600146202",
"country_code": "US",
"telephone_number": "815-301-1001",
"fax_number": "815-301-1002",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6307 S Stewart Ave Ste 210",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606213116",
"country_code": "US",
"telephone_number": "773-483-2200",
"fax_number": "773-483-2201",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "13755 Cicero Ave",
"address_purpose": "LOCATION",
"city": "Crestwood",
"state": "IL",
"postal_code": "604181824",
"country_code": "US",
"telephone_number": "708-388-0499",
"fax_number": "708-388-0283",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6438 Joliet Rd Ste 203",
"address_purpose": "LOCATION",
"city": "Countryside",
"state": "IL",
"postal_code": "605254624",
"country_code": "US",
"telephone_number": "708-352-5222",
"fax_number": "866-353-5699",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "16605 107th St",
"address_purpose": "LOCATION",
"city": "Orland Park",
"state": "IL",
"postal_code": "604679016",
"country_code": "US",
"telephone_number": "708-226-9860",
"fax_number": "708-226-9864",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1875 W Dempster St Ste 605",
"address_purpose": "LOCATION",
"city": "Park Ridge",
"state": "IL",
"postal_code": "600681168",
"country_code": "US",
"telephone_number": "847-439-8780",
"fax_number": "847-439-8940",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2560 Hauser Ross Dr Ste 450",
"address_purpose": "LOCATION",
"city": "Sycamore",
"state": "IL",
"postal_code": "601783185",
"country_code": "US",
"telephone_number": "815-301-1001",
"fax_number": "815-301-1002",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1475 E Belvidere Rd Ste 317",
"address_purpose": "LOCATION",
"city": "Grayslake",
"state": "IL",
"postal_code": "600302016",
"country_code": "US",
"telephone_number": "847-855-9152",
"fax_number": "847-855-5215",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1425 N Hunt Club Rd Ste 301",
"address_purpose": "LOCATION",
"city": "Gurnee",
"state": "IL",
"postal_code": "600312639",
"country_code": "US",
"telephone_number": "847-855-9152",
"fax_number": "847-855-5215",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1555 N Barrington Rd Ste 3400",
"address_purpose": "LOCATION",
"city": "Hoffman Estates",
"state": "IL",
"postal_code": "601691023",
"country_code": "US",
"telephone_number": "847-952-9332",
"fax_number": "847-952-9338",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1345 Ryan Pkwy",
"address_purpose": "LOCATION",
"city": "Algonquin",
"state": "IL",
"postal_code": "601024530",
"country_code": "US",
"telephone_number": "847-531-5911",
"fax_number": "847-531-5922",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "12250 S Cicero Ave Ste 112",
"address_purpose": "LOCATION",
"city": "Alsip",
"state": "IL",
"postal_code": "608032946",
"country_code": "US",
"telephone_number": "708-371-5308",
"fax_number": "708-371-5964",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "28160 W Northwest Hwy Ste 105",
"address_purpose": "LOCATION",
"city": "Lake Barrington",
"state": "IL",
"postal_code": "600102332",
"country_code": "US",
"telephone_number": "815-301-1001",
"fax_number": "815-301-1002",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2222 W Division St Ste 260",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606222990",
"country_code": "US",
"telephone_number": "708-252-5809",
"fax_number": "630-701-7521",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6948 W Windsor Ave",
"address_purpose": "LOCATION",
"city": "Berwyn",
"state": "IL",
"postal_code": "604023335",
"country_code": "US",
"telephone_number": "708-749-4617",
"fax_number": "708-749-0094",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3100 Theodore St Ste 201",
"address_purpose": "LOCATION",
"city": "Joliet",
"state": "IL",
"postal_code": "604350605",
"country_code": "US",
"telephone_number": "815-905-2209",
"fax_number": "815-744-5428",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1890 Silver Cross Blvd Ste 415",
"address_purpose": "LOCATION",
"city": "New Lenox",
"state": "IL",
"postal_code": "604519575",
"country_code": "US",
"telephone_number": "815-717-8750",
"fax_number": "815-717-8751",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1625 E 75th St Ste 328",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606493603",
"country_code": "US",
"telephone_number": "773-947-7841",
"fax_number": "773-493-1430",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "601 W Golf Rd Ste 105",
"address_purpose": "LOCATION",
"city": "Mount Prospect",
"state": "IL",
"postal_code": "600564276",
"country_code": "US",
"telephone_number": "847-439-8780",
"fax_number": "847-439-8940",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2740 W Foster Ave Ste 405",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606253532",
"country_code": "US",
"telephone_number": "872-208-7619",
"fax_number": "773-506-6640",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "104 S Ashland Ave",
"address_purpose": "LOCATION",
"city": "Chicago",
"state": "IL",
"postal_code": "606072402",
"country_code": "US",
"telephone_number": "312-850-8434",
"fax_number": "312-766-4603",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.",
"organizational_subpart": "NO",
"enumeration_date": "2006-06-09",
"last_updated": "2026-02-04",
"certification_date": "2026-02-04",
"status": "A",
"authorized_official_last_name": "TANNA",
"authorized_official_first_name": "MANISH",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "630-573-5000",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine, Nephrology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RR-GROUP COOK",
"identifier": "C30486",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "1616108",
"state": "IL"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "NANI",
"code": "5",
"type": "Other Name"
},
{
"organization_name": "NANI",
"code": "5",
"type": "Other Name"
}
]
}Other providers in Oak Brook, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; 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.