Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Nathan A Bay, MD

Individual provider Anesthesiology Physician · NPI 1982647855

Dr. Nathan A Bay, MD is an Anesthesiology in Portland, Oregon. Graduated from Chicago College of Medicine and Surgery in 2002, 24 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
24
Trained at
Chicago College of Medicine and Surgery
Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

707 SW Washington St Ste 700
Portland, OR 97205-3536
Phone: (503) 299-9906
Fax: (503) 225-9002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD26592 (OR)

Record details

NPI number1982647855
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESSeptember 9, 2013
Mailing addressPo Box 2040, Portland, OR 97208-2040

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolCHICAGO COLLEGE OF MEDICINE AND SURGERY
Graduated 2002 (24 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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