Active NPI
American Oncology Partners, P.a.
- Hematology & Oncology Physician
- Elkhart, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- Legal business name
- AMERICAN ONCOLOGY PARTNERS, P.A.
- Practice address
- 2117 W Lexington Ave
Elkhart, IN 46514-1423 - Phone
- (574) 296-3444
- Fax
- (574) 296-3328
- NPI assigned
- Aug 24, 2026
- 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
- Dr. Ryan K Olson
- Title
- Owner/President
- Phone
- (239) 561-9622
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology (Internal Medicine) Physician | 207RH0000X | |||
| Hematology & Oncology Physician | 207RH0003X | Primary | ||
| Medical Oncology Physician | 207RX0202X |
Addresses
Primary practice location
2117 W Lexington Ave
Elkhart, IN 46514-1423
Mailing address
PO Box 749495
Atlanta, GA 30374-9495
Phone (855) 963-2100
National Provider Directory
National Provider Directory- Tax ID family
- American Oncology Partners
Organizations with this tax ID in the same state 20
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
- Gynecologic Oncology Physician
- Decatur, IN
- NPI 1013839026
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Angola, IN
- NPI 1033000120
-
- Hematology & Oncology Physician
- Decatur, IN
- NPI 1033031067
-
dba Hematology-Oncology of Indiana, PC
- Hematology & Oncology Physician
- Logansport, IN
- NPI 1063979318
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Bluffton, IN
- NPI 1083505168
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Kendallville, IN
- NPI 1083505176
-
dba Hematology Oncology of Indiana
- Hematology & Oncology Physician
- Lebanon, IN
- NPI 1124585476
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Decatur, IN
- NPI 1174413181
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Peru, IN
- NPI 1427949510
-
dba Fort Wayne Medical Oncology and Hematology
- Hematology & Oncology Physician
- Fort Wayne, IN
- NPI 1508757618
-
dba Fort Wayne Medical Oncology & Hematology
- Hematology & Oncology Physician
- Lagrange, IN
- NPI 1518858653
-
dba Hematology-Oncology of Indiana, PC
- Hematology & Oncology Physician
- Indianapolis, IN
- NPI 1548727845
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787529600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1787529600000",
"number": "1255248613",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 749495",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303749495",
"telephone_number": "855-963-2100",
"fax_number": "813-321-1296"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2117 W LEXINGTON AVE",
"city": "ELKHART",
"state": "IN",
"postal_code": "465141423",
"telephone_number": "574-296-3444",
"fax_number": "574-296-3328"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
"organizational_subpart": "NO",
"enumeration_date": "2026-08-24",
"last_updated": "2026-08-24",
"certification_date": "2026-08-24",
"status": "A",
"authorized_official_last_name": "OLSON",
"authorized_official_first_name": "RYAN",
"authorized_official_middle_name": "K",
"authorized_official_title_or_position": "OWNER/PRESIDENT",
"authorized_official_telephone_number": "239-561-9622",
"authorized_official_name_prefix": "Dr."
},
"taxonomies": [
{
"code": "207RH0000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Hematology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Hematology & Oncology",
"state": null,
"license": null,
"primary": true
},
{
"code": "207RX0202X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Medical Oncology",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Elkhart, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.