ELIZABETH M WILLIAMS MD
NPI 1215253240
Pathology - Anatomic Pathology & Clinical Pathology in Portland, OR
About Elizabeth M Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH M WILLIAMS MD (NPI 1215253240) is an individual anatomic pathology & clinical pathology provider in Portland, Oregon, licensed in Oregon (MD209912) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Elizabeth M Williams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Elizabeth Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beaverton, OR 97005
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1184786527 (Washington)
- 3,207 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 338 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Sunnyside Medical Center
Acute Care Hospitals · Clackamas, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97225
PORTLAND, OR 97225
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 Elizabeth Williams's NPI number?
The NPI number for Elizabeth Williams is 1215253240. It was assigned to this individual provider in the NPPES registry on April 15, 2010.
Where is Elizabeth Williams located?
Elizabeth Williams practices at 9701 SW Barnes Rd Ste Ll60, Portland, OR 97225. The listed phone number is (503) 297-8081.
What is Elizabeth Williams's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Elizabeth Williams enrolled in Medicare?
Yes. Elizabeth Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Elizabeth Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Williams reassigns Medicare benefits to 2 organizations: Beaverton Rehab & Specialty Care, LLC (Beaverton, OR) and The Oregon Clinic PC (Portland, OR). Each 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 Elizabeth Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elizabeth Williams affiliated with any hospitals?
According to CMS data, Elizabeth Williams is affiliated with Kaiser Sunnyside Medical Center.
When was this NPI record last updated?
The NPPES record for Elizabeth Williams was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 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.
# Elizabeth M Williams, MD · NPI 1215253240
Anatomic Pathology & Clinical Pathology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since April 15, 2010.
## Identity
- **NPI:** 1215253240 (Entity type: Individual)
- **Enumerated:** April 15, 2010
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD209912 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 9701 SW BARNES RD STE LL60, Portland, OR 97225-6772
- **Phone:** (503) 297-8081 · **Fax:** (503) 292-6601
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Beaverton Rehab & Specialty Care, LLC (NPI 1366469330, Beaverton, OR); The Oregon Clinic PC (NPI 1265417174, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** August 28, 2026
- **Other identifiers:** Medicaid 2026377 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1215253240) · Data from the CMS NPPES public registry.