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

Dr. David Larson Demill, MD

Individual provider Cornea and External Diseases Specialist Physician · NPI 1366783631

Dr. David Larson Demill, MD is an Ophthalmology in Portland, Oregon. Graduated from University of Utah School of Medicine in 2012, 14 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group and accepts Medicare assignment. Licensed in Indiana, North Dakota and Utah.

Years since qualifying
14
Trained at
University of Utah School of Medicine
Licensed in
IN, ND, UT
In the registry since
2013
Specialties on file
3
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

1040 NW 22nd Ave
Portland, OR 97210-3057
Phone: (503) 413-8498
Show map & directions

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

Specialties & licences

Cornea and External Diseases Specialist Physician (primary) Taxonomy 207WX0120X · Licence 15521 (ND)
Cornea and External Diseases Specialist Physician Taxonomy 207WX0120X · Licence 10215714-8905 (UT)
Cornea and External Diseases Specialist Physician Taxonomy 207WX0120X · Licence 01081680A (IN)

Record details

NPI number1366783631
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 11, 2013
Last updated in NPPESMay 2, 2019
Mailing address1040 Nw 22nd Ave, Portland, OR 97210-3057

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF UTAH SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount