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

David Knowlton, MD

Individual provider Family Medicine Physician · NPI 1902975741

David Knowlton, MD is a Family Practice in Springfield, Oregon. Qualified in 1990, 36 years ago. Practices with G Street Integrated Health, a 22-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
36
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

1435 G St
Springfield, OR 97477-4113
Phone: (541) 735-9420
Fax: (541) 747-9870
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD20529 (OR)

Record details

NPI number1902975741
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 7, 2006
Last updated in NPPESMay 25, 2022
Certification dateMay 25, 2022
Mailing addressPo Box 163, Springfield, OR 97477-0024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice G Street Integrated Health — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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