Active NPI
Wahid Kassar, M.D.
- Endocrinology, Diabetes & Metabolism Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- License
- 036107989
- Practice address
- 7447 W Talcott Ave Ste 467
Chicago, IL 60631-3715 - Phone
- (630) 866-3636
- Fax
- (773) 692-2035
- NPI assigned
- Nov 29, 2005
- Last updated
- Oct 2, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | 036107989 | IL | Primary |
Addresses
Primary practice location
7447 W Talcott Ave Ste 467
Chicago, IL 60631-3715
Mailing address
7447 W Talcott Ave Ste 467
Chicago, IL 60631-3715
Phone (630) 866-3636
Other practice location 1
900 S Frontage Rd Ste 375
Woodridge, IL 60517-5144
Phone (630) 866-3636
Other practice location 2
6050 Sterling Creek Rd
Portage, IN 46368-7752
Phone (219) 763-8112 ext. 4959
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P00078735 | Other | IL | RR MEDCIARE PTAN (INDIVIDUAL) |
| 206147 | Other | IL | MEDICARE PTAN (GROUP) |
| F400094850 | Other | IL | MEDICARE PTAN (INDIVIDUAL) |
| 036107989 | Medicaid | IL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Endocrinology
- Education
- Other, 1987
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1828 165TH St
Suite a
Hammond, IN 46320-2823
Phone (219) 763-8112
2490 Central Ave
Lake Station, IN 46405-2122
Phone (219) 763-8112
310 W 112TH Ave
Crown Point, IN 46307-7844
Phone (219) 763-8112
6050 Sterling Creek Rd
Portage, IN 46368-7752
Phone 21976381123233
6091 Broadway
Merrillville, IN 46410-2619
Phone (219) 763-8112
7447 W Talcott Ave
Suite 221
Chicago, IL 60631-3713
Phone (630) 866-3636
801 Broadway
Chesterton, IN 46304-2230
Phone (219) 763-8112
Hospital & facility affiliations
- Amita Health Resurrection Medical Center
- Community Hospital
- Silver Cross Hospital and Medical Centers
- Saint Francis Hospital-Evanston
- Northwestern Medicine Central Dupage Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 22.84 of 100
- Quality
- 0
- Improvement activities
- 0
- Cost
- 76.14
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036107989 | IL | MD | Endocrinology, Diabetes & Metabolism Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northshore Health Centers Inc | Current | Accepting new patients | |
| GN Endocrinology LTD | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| Northshore Health Centers, Inc. | Current | Accepting new patients | |
| Wahid Kassar MD LTD | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| Northshore Health Centers, Inc. | Endocrinology, Diabetes & Metabolism | Current | Accepting new patients |
| Emergency Medical Specialist, S.C | Past | Accepting new patients | |
| Central Dupage Hospital Association | Past | Accepting new patients |
Locations
7447 W Talcott Ave
Ste 221
Chicago, IL 60631
Phone (630) 866-3636
7447 W Talcott Ave
Ste 467
Chicago, IL 60631
Phone (630) 866-3636
7447 W Talcott Ave
Ste 551
Chicago, IL 60631
Phone (773) 467-9977
900 S Frontage Rd
Ste 375
Woodridge, IL 60517
Phone (630) 866-3636
9696 Gordon Dr
Highland, IN 46322
Phone (219) 937-2511
10012 Calumet Ave
#A
Munster, IN 46321
Phone (219) 227-5119
740 Seberger Dr
Munster, IN 46321
Phone (219) 237-6474
6050 Sterling Creek Rd
Portage, IN 46368
Phone (219) 212-0188
6450 US Highway 6
Portage, IN 46368
Phone (219) 764-6104
Interoperability endpoints
- wahid.kassar.p1@direct.northshorehealth.nextgenshare.com
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Elite Endocrinology
- Endocrinology, Diabetes & Metabolism Physician
- Chicago, IL
- NPI 1356961304
-
dba NorthShore Regional Health Centers
- Federally Qualified Health Center (FQHC)
- Merrillville, IN
- NPI 1114257300
-
- Endocrinology, Diabetes & Metabolism Physician
- Munster, IN
- NPI 1154799690
-
- Federally Qualified Health Center (FQHC)
- East Chicago, IN
- NPI 1336992999
-
- Federally Qualified Health Center (FQHC)
- Portage, IN
- NPI 1407061336
Endocrinology, Diabetes & Metabolism
-
dba Northwestern Medicine Central Dupage Hospital
- Psychiatric Hospital Unit
- Winfield, IL
- NPI 1740230895
-
- Emergency Medicine Physician
- Chicago, IL
- NPI 1265481030
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Northwestern Medicine Central Dupage Hospital
- General Acute Care Hospital
- Winfield, IL
- NPI 1003864810
-
dba Northwestern Medicine Central Dupage Hospital
- Psychiatric Hospital Unit
- Winfield, IL
- NPI 1740230895
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1811735228
-
- General Acute Care Hospital
- Evanston, IL
- NPI 1982442398
-
- Rehabilitation Hospital Unit
- New Lenox, IL
- NPI 1003933797
-
dba Silver Cross Hospital
- General Acute Care Hospital
- New Lenox, IL
- NPI 1568553519
-
dba Community Hospital
- General Acute Care Hospital
- Munster, IN
- NPI 1003918210
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133222400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1144203647",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7447 W TALCOTT AVE STE 467",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606313715",
"telephone_number": "630-866-3636",
"fax_number": "773-692-2035"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7447 W TALCOTT AVE STE 467",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606313715",
"telephone_number": "630-866-3636",
"fax_number": "773-692-2035"
}
],
"practiceLocations": [
{
"address_1": "900 S Frontage Rd Ste 375",
"address_purpose": "LOCATION",
"city": "Woodridge",
"state": "IL",
"postal_code": "605175144",
"country_code": "US",
"telephone_number": "630-866-3636",
"fax_number": "773-692-2035",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6050 Sterling Creek Rd",
"address_purpose": "LOCATION",
"city": "Portage",
"state": "IN",
"postal_code": "463687752",
"country_code": "US",
"telephone_number": "219-763-8112 x4959",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KASSAR",
"first_name": "WAHID",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-29",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "IL",
"license": "036107989",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RR MEDCIARE PTAN (INDIVIDUAL)",
"identifier": "P00078735",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE PTAN (GROUP)",
"identifier": "206147",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE PTAN (INDIVIDUAL)",
"identifier": "F400094850",
"state": "IL"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036107989",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.