Active NPI
American Oncology Partners, P.a.
- Hematology & Oncology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- Legal business name
- AMERICAN ONCOLOGY PARTNERS, P.A.
- Practice address
- 925 Gessner Rd
Ste 600,650
Houston, TX 77024-2645 - Phone
- (713) 827-9525
- Fax
- (713) 468-3561
- NPI assigned
- Jul 16, 2026
- Last updated
- Jul 16, 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 | NU | ||
| Hematology & Oncology Physician | 207RH0003X | NU | Primary | |
| Medical Oncology Physician | 207RX0202X | NU |
Addresses
Primary practice location
925 Gessner Rd
Ste 600,650
Houston, TX 77024-2645
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 PA
Organizations with this tax ID in the same state 24
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1013837921
-
dba Woodlands Cancer Institute
- Hematology & Oncology Physician
- Shenandoah, TX
- NPI 1023900644
-
dba Woodlands Cancer Institute
- Hematology & Oncology Physician
- Shenandoah, TX
- NPI 1033001573
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1063332955
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1073420493
-
dba Lone Star Oncology
- Hematology & Oncology Physician
- Georgetown, TX
- NPI 1124916606
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1144140054
-
- Hematology & Oncology Physician
- Corpus Christi, TX
- NPI 1154241685
-
- Hematology & Oncology Physician
- Pasadena, TX
- NPI 1184544520
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1205756194
-
dba Woodlands Cancer Institute
- Hematology & Oncology Physician
- Conroe, TX
- NPI 1356233969
-
dba Woodlands Cancer Institute
- Hematology & Oncology Physician
- Shenandoah, TX
- NPI 1366334989
Locations
925 Gessner Rd
Ste 600650
Houston, TX 77024
Phone (713) 827-9525
Practitioners & affiliated clinicians
Practitioners 34
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Nurse Practitioner
- Houston, TX
- NPI 1750954970
-
- Hematology & Oncology Physician
- Houston, TX
- NPI 1255864120
-
- Family Nurse Practitioner
- Houston, TX
- NPI 1750915112
-
- Physician Assistant
- Houston, TX
- NPI 1154993269
-
- Acute Care Nurse Practitioner
- Cypress, TX
- NPI 1629953260
-
- Radiation Oncology Physician
- Corpus Christi, TX
- NPI 1447240593
-
- Family Nurse Practitioner
- Houston, TX
- NPI 1114557725
-
- Acute Care Nurse Practitioner
- Houston, TX
- NPI 1699250787
-
- Physician Assistant
- Houston, TX
- NPI 1245052752
-
- Physician Assistant
- Houston, TX
- NPI 1992464432
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1784160000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1784160000000",
"number": "1346160777",
"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": "925 GESSNER RD",
"address_2": "STE 600,650",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770242645",
"telephone_number": "713-827-9525",
"fax_number": "713-468-3561"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "AMERICAN ONCOLOGY PARTNERS, P.A.",
"organizational_subpart": "NO",
"enumeration_date": "2026-07-16",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"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": "",
"desc": "Internal Medicine, Hematology",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "NU",
"license": null,
"primary": true
},
{
"code": "207RX0202X",
"taxonomy_group": "",
"desc": "Internal Medicine, Medical Oncology",
"state": "NU",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, P.a.
- American Oncology Partners, PA (OC Pharmacy)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.