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

Mr. David R. Maslen, MD

Individual provider Internal Medicine Physician · NPI 1033192521

Mr. David R. Maslen, MD is an Internal Medicine in Milwaukie, Oregon. Qualified in 1991, 35 years ago. Practices with Northwest Primary Care Group PC, a 44-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
35
Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3033 SE Monroe St
Milwaukie, OR 97222-6636
Phone: (503) 659-4988
Fax: (833) 428-4932
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD19175 (OR)

Record details

NPI number1033192521
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 29, 2005
Last updated in NPPESAugust 6, 2026
Certification dateAugust 6, 2026
Mailing addressPo Box 22075, Milwaukie, OR 97269-2075

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Northwest Primary Care Group Pc — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Milwaukie