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

Gregory J Opdahl, MD

Individual provider Anesthesiology Physician · NPI 1194985788

Gregory J Opdahl, MD is an Anesthesiology in Tillamook, Oregon. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2008, 18 years ago. Practices with Banner - University Hospital Based Physicians LLC, a 347-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2008
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

1000 3rd St
Tillamook, OR 97141-3430
Phone: (360) 556-2600
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 125054737 (IL)

Record details

NPI number1194985788
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 17, 2008
Last updated in NPPESJuly 16, 2015

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Banner - University Hospital Based Physicians Llc — 347 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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