Michael Donnan, MD

Addiction Medicine · Internal Medicine · Nephrology

13+ years in practiceNPI: 1326380841Licensed in IL

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineNephrology

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Nephrology207RN0300X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

13+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#17

Top Nephrologists in Oregon, 2026

Nephrology · Oregon · 2026

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Frequently Asked Questions about Dr. Michael Donnan, MD

Where does Dr. Michael Donnan, MD practice?+
Dr. Michael Donnan, MD practices in Oregon, OR. 1077 GATEWAY LOOP SPRINGFIELD, OR 974771114.
What is Dr. Michael Donnan, MD's phone number?+
Dr. Michael Donnan, MD's practice phone is 541-485-6478. Office contact information is verified on the PBCMMG profile.
What does Dr. Michael Donnan, MD specialize in?+
Dr. Michael Donnan, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Nephrology.
Is Dr. Michael Donnan, MD board certified?+
Board certification status for Dr. Michael Donnan, 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. Michael Donnan, MD been practicing?+
Dr. Michael Donnan, MD has been in active practice for 13+ years, based on NPI enumeration and state licensing records.
What is Dr. Michael Donnan, MD's NPI number?+
Dr. Michael Donnan, MD's National Provider Identifier (NPI) is 1326380841, 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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