DR. JAMES LEONARD GAJEWSKI (MD) – Internal Medicine Physician, NPI 1356349112

DR. JAMES LEONARD GAJEWSKI (MD) is a healthcare provider. based in Aloha, Oregon. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. G57111 (CA). The NPI Number for DR. JAMES LEONARD GAJEWSKI (MD) is 1356349112

Main info

Male
Name
DR. JAMES LEONARD GAJEWSKI (MD)
NPI
1356349112
Phone
(503) 352-8657
Address
PO BOX 6149
Enumeration Date
14 July 2005
Last Update Date
5 September 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience95
Completeness85
Years active:20State licenses:7Digital endpointsOther names

Provider Addresses for DR. JAMES LEONARD GAJEWSKI (MD)

  • PO BOX 6149

    ALOHA, OR 970070149

    Phone: (503) 352-8657

    Fax: (503) 352-8658

    Type: Mailing

  • 9040 JACKSON AVE

    MADIGAN ARMY HOSPITAL

    JOINT BASE LEWIS MCCHORD, WA 984310001

    Phone: (503) 352-8657

    Fax: (253) 968-1110

    Type: Mailing

  • Richard T. Jones Hall, 3181, Southwest Sam Jackson Park Road, Marquam Hill, Homestead, Portland, Metro, Multnomah County, Oregon, 97239, United States

    OREGON HEALTH SCIENCE UNIVERSITY MAILCODE L586 DIV HEM-

    PORTLAND, OR 972393011

    Phone: (503) 494-9000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-11-07

PECOS data refreshed: 2026-05-27

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97007)

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Reviews

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Frequently asked questions

Can I use this page to confirm DR. JAMES LEONARD GAJEWSKI (MD)'s NPI?
Yes. DR. JAMES LEONARD GAJEWSKI (MD) is listed with NPI 1356349112 in the public NPI dataset.
Does CMS list DR. JAMES LEONARD GAJEWSKI (MD) as active?
Yes — DR. JAMES LEONARD GAJEWSKI (MD) is active in the NPI listing used on this page.
What is DR. JAMES LEONARD GAJEWSKI (MD)'s specialty?
The listing groups DR. JAMES LEONARD GAJEWSKI (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where should I expect DR. JAMES LEONARD GAJEWSKI (MD) on a map?
Expect Aloha, Oregon as a primary anchor for DR. JAMES LEONARD GAJEWSKI (MD) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.