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

Dr. James Melvin Martinson, MD

Individual provider Internal Medicine Physician · NPI 1144232554

Dr. James Melvin Martinson, MD practises Internal Medicine in Portland, Oregon. Graduated from Medical College of Wisconsin in 2005, 21 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana and Oregon.

Years since qualifying
21
Trained at
Medical College of Wisconsin
Licensed in
MT, OR
In the registry since
2006
Specialties on file
5
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

9205 SW Barnes Rd
Portland, OR 97225-6603
Phone: (503) 216-2906
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD151764 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 57536 (MT)
Pediatrics Physician Taxonomy 208000000X · Licence MD151764 (OR)
Hospitalist Physician Taxonomy 208M00000X · Licence MD151764 (OR)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1144232554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESJuly 22, 2021
Certification dateJuly 22, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2005 (21 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations9 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients71
Services billed 90 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Providence Health and Services Oregon

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1426 clinicians in the practice; 12 are shown here.

Other providers in Portland