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

Dr. Mark D. Calkins, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1396719001

Dr. Mark D. Calkins, MD is an Anesthesiology in Portland, Oregon. Graduated from Loma Linda University School of Medicine in 1991, 35 years ago. Practices with Oregon Anesthesiology Group PC, a 233-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
35
Trained at
Loma Linda University School of Medicine
Licensed in
OR
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

707 SW Washington St Ste 700
Portland, OR 97205-3536
Phone: (503) 299-9906
Fax: (503) 225-9002
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD22693 (OR)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence MD22693 (OR)

Record details

NPI number1396719001
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESOctober 10, 2018
Mailing addressPo Box 35147, 1801, Seattle, WA 98124-5147

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Oregon Anesthesiology Group Pc — 233 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Portland