Active NPI
Loren Weber Kousourou, DO
- Geriatric Medicine (Internal Medicine) Physician
- Indianapolis, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Medicine (Internal Medicine) Physician
- License
- 02006866A
- Practice address
- 1500 N Ritter Ave
Indianapolis, IN 46219-3027 - Phone
- (317) 355-9290
- NPI assigned
- May 11, 2018
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 02006866A | IN | |
| Geriatric Medicine (Internal Medicine) Physician | 207RG0300X | 02006866A | IN | Primary |
| Internal Medicine Physician | 207R00000X | 68590 | CT |
Addresses
Primary practice location
1500 N Ritter Ave
Indianapolis, IN 46219-3027
Mailing address
8424 Naab Rd Ste 1L
Indianapolis, IN 46260-1954
Other practice location 1
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone (269) 337-6300
Other practice location 2
20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242
Other practice location 3
8424 Naab Rd Ste 1L
Indianapolis, IN 46260-1954
Phone (317) 338-7780
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | loren.weber.1@7598.direct.athenahealth.com | St. Vincent Medical Group, Inc. |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Michigan State University College of Osteopathic Medicine, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1500 N Ritter Ave
Community Hospital East
Indianapolis, IN 46219-3027
Phone (317) 355-1411
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 68590 | CT | MD | Internal Medicine Physician |
| 02006866A | IN | MD | Geriatric Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Community Physicians of Indiana Inc | Internal Medicine | Current | Accepting new patients |
| Community Physicians of Indiana Inc | Current | Accepting new patients |
Locations
5819 Reliable Pkwy
Chicago, IL 60686
1500 N Ritter Ave
Indianapolis, IN 46219
Phone (317) 355-5041
7120 Clearvista Dr
Ste 4000
Indianapolis, IN 46256
Phone (317) 621-7444
Interoperability endpoints
- lweber515509@direct.ynhh.org
- loren.weber.1@7598.direct.athenahealth.com
- lkousourou654356@ecommunitydirect.com
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Family Medicine Physician
- Indianapolis, IN
- NPI 1619105244
Internal Medicine
-
dba Community Physician Network
- Endocrinology, Diabetes & Metabolism Physician
- Carmel, IN
- NPI 1992396337
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Indianapolis, IN
- NPI 1336119478
-
- General Acute Care Hospital
- Indianapolis, IN
- NPI 1619163854
-
dba Ascension St. Vincent Hospital
- General Acute Care Hospital
- Indianapolis, IN
- NPI 1306898960
-
dba Ascension St. Vincent - Avon
- General Acute Care Hospital
- Avon, IN
- NPI 1851833230
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1525996800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756857600000",
"number": "1427548742",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8424 NAAB RD STE 1L",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462601954"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 N RITTER AVE",
"city": "INDIANAPOLIS",
"state": "IN",
"postal_code": "462193027",
"telephone_number": "317-355-9290"
}
],
"practiceLocations": [
{
"address_1": "1000 Oakland Dr",
"address_purpose": "LOCATION",
"city": "Kalamazoo",
"state": "MI",
"postal_code": "490081282",
"country_code": "US",
"telephone_number": "269-337-6300",
"fax_number": "269-337-6222",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "20 York St",
"address_purpose": "LOCATION",
"city": "New Haven",
"state": "CT",
"postal_code": "065103220",
"country_code": "US",
"telephone_number": "203-688-4242",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "8424 Naab Rd Ste 1L",
"address_purpose": "LOCATION",
"city": "Indianapolis",
"state": "IN",
"postal_code": "462601954",
"country_code": "US",
"telephone_number": "317-338-7780",
"fax_number": "317-338-7907",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KOUSOUROU",
"first_name": "LOREN",
"middle_name": "WEBER",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-05-11",
"last_updated": "2025-09-03",
"certification_date": "2025-09-03",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IN",
"license": "02006866A",
"primary": false
},
{
"code": "207RG0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Geriatric Medicine",
"state": "IN",
"license": "02006866A",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "68590",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "loren.weber.1@7598.direct.athenahealth.com",
"affiliation": "Y",
"affiliationName": "St. Vincent Medical Group, Inc.",
"address_1": "8424 Naab Rd Ste 1L",
"city": "Indianapolis",
"state": "IN",
"country_code": "US",
"postal_code": "462601954",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Indianapolis, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 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.