Jeffrey McWilliams, MD

Oncology

21+ years in practiceNPI: 1114920899Licensed in OR

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Credentials & Recognition

Specialties

Oncology

NPI sub-specialties

Internal Medicine, Hematology & Oncology207RH0003X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#7

Top Oncologists in Oregon, 2026

Oncology · Oregon · 2026

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Frequently Asked Questions about Dr. Jeffrey McWilliams, MD

Where does Dr. Jeffrey McWilliams, MD practice?+
Dr. Jeffrey McWilliams, MD practices in Oregon, OR.
What is Dr. Jeffrey McWilliams, MD's phone number?+
Dr. Jeffrey McWilliams, MD's practice phone is 503-723-8321. Office contact information is verified on the PBCMMG profile.
What does Dr. Jeffrey McWilliams, MD specialize in?+
Dr. Jeffrey McWilliams, MD's primary specialty is Oncology.
Is Dr. Jeffrey McWilliams, MD board certified?+
Board certification status for Dr. Jeffrey McWilliams, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Jeffrey McWilliams, MD been practicing?+
Dr. Jeffrey McWilliams, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Jeffrey McWilliams, MD's NPI number?+
Dr. Jeffrey McWilliams, MD's National Provider Identifier (NPI) is 1114920899, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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