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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

AMERICAN ONCOLOGY PARTNERS, P.A.
NPI 1457256547
Internal Medicine - Hematology & Oncology in Mishawaka, IN

Active since October 09, 2026
5340 HOLY CROSS PKWY, MISHAWAKA, IN 46545(574) 237-1328(574) 968-9442 Get Directions Write a Review

NPPES record added: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About American Oncology Partners, P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AMERICAN ONCOLOGY PARTNERS, P.A. (NPI 1457256547) is a healthcare organization registered as a hematology & oncology in Mishawaka, Indiana and active in the NPI registry since October 2026. The organization lists Ryan K Olson, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1457256547
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameAMERICAN ONCOLOGY PARTNERS, P.A.
Location Address5340 HOLY CROSS PKWYMishawaka, IN 46545-1470
Mailing AddressPo Box 749495Atlanta, GA 30374-9495 · (855) 963-2100 · Fax (813) 321-1296
Phone(574) 237-1328
Fax(574) 968-9442
Organization SubpartNo
Authorized OfficialRyan K OlsonOwner/president · (239) 561-9622
Enumeration DateOctober 9, 2026
NPPES CertifiedOctober 9, 2026
✔ NPI 1457256547 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X
5340 HOLY CROSS PKWY, Mishawaka, IN 46545
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHIANA HEMATOLOGY-ONCOLOGY P C
Internal Medicine (Hematology & Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 237-1328
RAFAT H ANSARI M.D.
Internal Medicine (Medical Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 234-5123
JASON P PALMATEER FNP
Nurse Practitioner (Family)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 237-1328
MOHAMED FARHAT MD
Internal Medicine (Medical Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 237-1328
MICHIANA HEMATOLOGY-ONCOLOGY P C
Internal Medicine (Hematology & Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (800) 860-8100
BINH NGUYEN TRAN MD
Radiology (Radiation Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (800) 860-8100
KELSIE BERGER FNP-BC
Nurse Practitioner
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 237-1328
DR. BILAL ANSARI M.D.
Internal Medicine (Medical Oncology)
5340 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 237-1328

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is American Oncology Partners, P.A.'s NPI number?

The NPI number for American Oncology Partners, P.A. is 1457256547. It was assigned to this organization in the NPPES registry on October 9, 2026.

Where is American Oncology Partners, P.A. located?

American Oncology Partners, P.A. is located at 5340 Holy Cross Pkwy, Mishawaka, IN 46545. The listed phone number is (574) 237-1328.

What is American Oncology Partners, P.A.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for American Oncology Partners, P.A. was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.