SIENNA J RINGGENBERG MD
NPI 1225730500
Radiology - Diagnostic Radiology in Beaverton, OR

Q: What is Sienna Ringgenberg's NPI number?

The NPI number for Sienna Ringgenberg is 1225730500. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Q: What is Sienna Ringgenberg's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since March 20, 2023PECOS Enrolled

4855 SW WESTERN AVE, BEAVERTON, OR 97005(800) 813-2000 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2025, Mar 20, 2023 (2 updates tracked since 2023).

On this page

About Sienna J Ringgenberg Md NPPES

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

SIENNA J RINGGENBERG MD (NPI 1225730500) is an individual diagnostic radiology provider in Beaverton, Oregon, licensed in Oregon (MD224995) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2023).

NPPES Registry Identity

NPI1225730500

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameSIENNA J RINGGENBERGCredential: MD

Location Address4855 SW WESTERN AVEBeaverton, OR 97005-3499

Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031 · (800) 813-2000 · Fax (855) 524-5255

Phone(800) 813-2000

Sole ProprietorNo

Medical School CMSOakland Univ, William Beaumont School Of MedicineGraduated 2023

Enumeration DateMarch 20, 2023

Last NPPES UpdateOctober 14, 20252 updates tracked since enumeration

NPPES CertifiedOctober 14, 2025

✔ NPI 1225730500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in OR · MD224995

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4855 SW WESTERN AVE, Beaverton, OR 97005

Open in Google Maps ↗

Secondary Practice Location 1

Location 13181 SW Sam Jackson Park Rd # L-579Portland, OR 97239-3098 · Phone (503) 494-8652

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sienna J Ringgenberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052850914

PECOS Enrollment IDI20251028003834

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sienna Ringgenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beaverton Rehab & Specialty Care, LLC

1.0 mi

Skilled Nursing Facility

11850 SW ALLEN BLVD
Beaverton, OR 97005

Reassigned Medicare billing, Oregon enrollment
Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
3,207 clinicians in this Medicare group

NPI 1366469330 (503) 646-7164

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$73.28 typical visit price

range $19.32 – $144.79

Typical copayment $18.32 (range $4.83 – $36.19)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MRS. RANDEEP KAUR DA

Dental Assistant