Active NPI
American Oncology Partners, P.a.
- Hematology & Oncology Physician
- Asheville, NC
National Provider Identifier
1639019151
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- Legal business name
- AMERICAN ONCOLOGY PARTNERS, P.A.
- Practice address
- 1815 Hendersonville Rd
Asheville, NC 28803-3204 - Phone
- (828) 575-0801
- Fax
- (828) 248-7686
- NPI assigned
- Apr 1, 2026
- Last updated
- Apr 1, 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, MD
- 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
1815 Hendersonville Rd
Asheville, NC 28803-3204
Mailing address
PO Box 749495
Atlanta, GA 30374-9495
Phone (855) 963-2100
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 |
|---|---|---|---|
| 34D2340075 | American Oncology Partners, PA | Registration | Mar 10, 2028 |
National Provider Directory
National Provider Directory- Tax ID family
- American Oncology Partners
Organizations with this tax ID in the same state 6
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Marion, NC
- NPI 1215570890
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Asheville, NC
- NPI 1225679004
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Asheville, NC
- NPI 1356985626
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Sylva, NC
- NPI 1871136440
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Pisgah Forest, NC
- NPI 1871136457
-
dba Messino Cancer Centers
- Hematology & Oncology Physician
- Franklin, NC
- NPI 1750916771
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1775001600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1775001600000",
"number": "1639019151",
"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": "1815 HENDERSONVILLE RD",
"city": "ASHEVILLE",
"state": "NC",
"postal_code": "288033204",
"telephone_number": "828-575-0801",
"fax_number": "828-248-7686"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
"organizational_subpart": "NO",
"enumeration_date": "2026-04-01",
"last_updated": "2026-04-01",
"certification_date": "2026-04-01",
"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.",
"authorized_official_credential": "MD"
},
"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 Asheville, NC
- Amber Kilkenny LCSW PA
- Sarah M Amedoro, PSYD
- American Health Imaging of North Carolina LLC
- American Oncology Partners, P.a. (Messino Cancer Centers)
- American Oncology Partners, P.a. (Messino Cancer Centers)
- Amica Mental Health
- Tracy Amiel, CCC-SLP
- Caitlin Amittay, LCSWA
- Mary C Ammerman, PSY.D.
- Clayton Ammons
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- 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.