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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. HAROLD C NEVIS MD
NPI 1669588745
Internal Medicine in Clackamas, OR

Active since August 22, 2006
9800 SE SUNNYSIDE RD, CLACKAMAS, OR 97015(503) 653-6440 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Harold C Nevis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HAROLD C NEVIS MD (NPI 1669588745) is an individual internal medicine provider in Clackamas, Oregon, licensed in Oregon (MD07580) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1669588745
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HAROLD C NEVISCredential: MD
Location Address9800 SE SUNNYSIDE RDClackamas, OR 97015-9750
Mailing Address3445 Se Carlton StPortland, OR 97202-8113 · (503) 775-9240
Phone(503) 653-6440
Sole ProprietorNo
Enumeration DateAugust 22, 2006
Last NPPES UpdateJuly 5, 2026
✔ NPI 1669588745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD07580
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9800 SE SUNNYSIDE RD, Clackamas, OR 97015
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASHLEY R JORDAN
Nurse Practitioner (Family)
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
MICHAEL HOLLENBACK P.A.-C.
Physician Assistant (Surgical)
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 653-6440
DR. CALVERT JOHN SHIPLEY M.D.
Family Medicine
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 653-6440
JAY JOO M.D.
Pediatrics
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-2000
TRISHA ZANDER
Student in an Organized Health Care Education/Training Program
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-1319
NATASHA WARIKOO PHD
Student in an Organized Health Care Education/Training Program
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
THANH VAN HOANG PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 571-8879
HANNAH LARSEN
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
9800 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 571-8879

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Harold Nevis's NPI number?

The NPI number for Harold Nevis is 1669588745. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Where is Harold Nevis located?

Harold Nevis practices at 9800 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 653-6440.

What is Harold Nevis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Harold Nevis was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.