STACY K LEWIS MD
NPI 1124021753
Internal Medicine - Medical Oncology in Portland, OR
About Stacy K Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACY K LEWIS MD (NPI 1124021753) is an individual medical oncology provider in Portland, Oregon, licensed in Oregon (MD21052) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Washington University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
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
Stacy K Lewis 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
5Medicare enrollment records show Stacy Lewis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 753 clinicians in this Medicare group
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 1,501 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 clinicians in this Medicare group
Oregon City, OR 97045
- Reassigned Medicare billing, Oregon enrollment
- 206 clinicians in this Medicare group
Cannon Beach, OR 97110
- Reassigned Medicare billing, Oregon enrollment
- 301 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97225
PORTLAND, OR 97225
PORTLAND, OR 97225
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 Stacy Lewis's NPI number?
The NPI number for Stacy Lewis is 1124021753. It was assigned to this individual provider in the NPPES registry on May 27, 2005.
Where is Stacy Lewis located?
Stacy Lewis practices at 9135 SW Barnes Rd Ste 261, Portland, OR 97225. The listed phone number is (503) 216-6300.
What is Stacy Lewis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Stacy Lewis enrolled in Medicare?
Yes. Stacy Lewis 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 Stacy Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Lewis reassigns Medicare benefits to 5 organizations: Providence Health & Services - Oregon (Portland, OR), Providence Health & Services Oregon (Portland, OR), Providence Health & Services - Oregon (Portland, OR), Providence Health & Services - Oregon (Oregon City, OR) and Providence Health & Services Oregon (Cannon Beach, 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 Stacy Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stacy Lewis accept?
Health plans from Moda Health Plan, Inc. and Providence Health Plan list Stacy Lewis 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.
Is Stacy Lewis affiliated with any hospitals?
According to CMS data, Stacy Lewis is affiliated with Providence St Vincent Medical Center and Providence Portland Medical Center.
When was this NPI record last updated?
The NPPES record for Stacy Lewis was last updated on February 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Stacy K Lewis, MD · NPI 1124021753
Medical Oncology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since May 27, 2005.
## Identity
- **NPI:** 1124021753 (Entity type: Individual)
- **Enumerated:** May 27, 2005
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** MD21052 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 9135 SW BARNES RD STE 261, Portland, OR 97225-6784
- **Phone:** (503) 216-6300 · **Fax:** (503) 216-6324
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services - Oregon (NPI 1235259532, Portland, OR); Providence Health & Services Oregon (NPI 1053403394, Portland, OR); Providence Health & Services - Oregon (NPI 1003991845, Portland, OR); Providence Health & Services - Oregon (NPI 1003368911, Oregon City, OR); Providence Health & Services Oregon (NPI 1841756764, Cannon Beach, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** February 15, 2021
- **Other identifiers:** Medicaid 8244568 (WA); Medicaid 151176 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1124021753) · Data from the CMS NPPES public registry.