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

Dr. David Ryan Simmons, MD

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1821409731

Dr. David Ryan Simmons, MD is a Family Practice in Scio, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 2014, 12 years ago. Practices with Mid-Valley Healthcare Inc, a 142-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
12
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
OR
In the registry since
2014
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

38181 Gilkey Rd
Scio, OR 97374-9705
Phone: (503) 260-2531
Show map & directions

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

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence MD177006 (OR)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD177006 (OR)

Record details

NPI number1821409731
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2014
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 17, 2026
Mailing addressPo Box 4, Crabtree, OR 97335-0004

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Mid-Valley Healthcare Inc — 142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare