SAINT ALPHONSUS MEDICAL CENTER- ONTARIO INC
NPI 1093034159
Internal Medicine in Ontario, OR
About Saint Alphonsus Medical Center- Ontario Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAINT ALPHONSUS MEDICAL CENTER- ONTARIO INC (NPI 1093034159), doing business as Trinity Holy Rosary Medical Center, is a healthcare organization registered as an internal medicine in Ontario, Oregon and active in the NPI registry since May 2010. The organization lists Marcie Harper, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
Other Names 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Saint Alphonsus Medical Center- Ontario Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
107Medicare enrollment records show 107 clinicians reassign Medicare billing to Saint Alphonsus Medical Center- Ontario Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 17
Nearest to this location (20)
See all 107Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Saint Alphonsus Medical Center- Ontario Inc's NPI number?
The NPI number for Saint Alphonsus Medical Center- Ontario Inc is 1093034159. It was assigned to this organization in the NPPES registry on May 27, 2010. The provider was formerly known as Trinity Holy Rosary Medical Center.
Where is Saint Alphonsus Medical Center- Ontario Inc located?
Saint Alphonsus Medical Center- Ontario Inc is located at 1050 SW 3rd Ave Ste 3200, Ontario, OR 97914. The listed phone number is (541) 881-7370.
What is Saint Alphonsus Medical Center- Ontario Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Saint Alphonsus Medical Center- Ontario Inc enrolled in Medicare?
Yes. Saint Alphonsus Medical Center- Ontario Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Saint Alphonsus Medical Center- Ontario Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 107 clinicians in 17 Medicare specialties reassign their Medicare billing to Saint Alphonsus Medical Center- Ontario Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (42), Family Practice (14) and Emergency Medicine (11). Of these, 6 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Saint Alphonsus Medical Center- Ontario Inc accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Molina Healthcare, Providence Health Plan and Regence BlueCross BlueShield of Oregon and 1 other insurer list Saint Alphonsus Medical Center- Ontario Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Saint Alphonsus Medical Center- Ontario Inc was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.