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WILLAMETTE VALLEY RHEUMATOLGY PC
NPI 1831324847
Internal Medicine - Rheumatology in Newberg, OR

Active since May 19, 2009
402 VILLA RD, NEWBERG, OR 97132(503) 538-7500 Get Directions Write a Review

NPPES record last updated: June 10, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Willamette Valley Rheumatolgy Pc NPPES

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

WILLAMETTE VALLEY RHEUMATOLGY PC (NPI 1831324847) is a healthcare organization registered as a rheumatology in Newberg, Oregon and active in the NPI registry since May 2009. The organization lists Ramon Macasa, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1831324847
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameWILLAMETTE VALLEY RHEUMATOLGY PC
Location Address402 VILLA RDNewberg, OR 97132-1831
Mailing Address402 Villa RdNewberg, OR 97132-1831
Phone(503) 538-7500
Organization SubpartNo
Authorized OfficialRamon MacasaBusiness Manager · (503) 840-5221
Enumeration DateMay 19, 2009
Last NPPES UpdateJune 10, 2009
✔ NPI 1831324847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in OR · MD26899
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
402 VILLA RD, Newberg, OR 97132
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Providence Health Plan.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)

Willamette Valley Rheumatolgy Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Willamette Valley Rheumatolgy PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anna Marie Macasa, MD
Rheumatology
NPI 1417068198
402 VILLA RD
Newberg, OR 97132
(503) 538-7500
✔ PECOS✔ Accepts MedicareSame address

Source: 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 Willamette Valley Rheumatolgy PC's NPI number?

The NPI number for Willamette Valley Rheumatolgy PC is 1831324847. It was assigned to this organization in the NPPES registry on May 19, 2009.

Where is Willamette Valley Rheumatolgy PC located?

Willamette Valley Rheumatolgy PC is located at 402 Villa Rd, Newberg, OR 97132. The listed phone number is (503) 538-7500.

What is Willamette Valley Rheumatolgy PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Willamette Valley Rheumatolgy PC enrolled in Medicare?

Yes. Willamette Valley Rheumatolgy PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Willamette Valley Rheumatolgy PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Willamette Valley Rheumatolgy PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Willamette Valley Rheumatolgy PC accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Willamette Valley Rheumatolgy PC 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 Willamette Valley Rheumatolgy PC was last updated on June 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.