1. Home
  2. Directory
  3. Oregon
  4. Portland
  5. Family Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN S LOOMIS III MD
NPI 1487618781
Family Medicine in Portland, OR

Active since April 13, 2006
18750 SE STARK ST, PORTLAND, OR 97233(503) 666-6717(503) 666-6745 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John S Loomis Iii Md NPPES

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

JOHN S LOOMIS III MD (NPI 1487618781) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (MD19850) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1487618781
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJOHN S LOOMIS IIICredential: MD
Location Address18750 SE STARK STPortland, OR 97233-5330
Mailing AddressPo Box 92900Portland, OR 97292-0900
Phone(503) 666-6717
Fax(503) 666-6745
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1487618781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · MD19850
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
18750 SE STARK ST, Portland, OR 97233
Open in Google Maps ↗

Other Identifiers 1

Medicaid079939OR

Other Providers at the Same Location NPPES 3

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

DR. CHRISTOPHER M. LOVE M.D.
Family Medicine
18750 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 666-6717
STEPHANIE O'CONNOR FNP
Nurse Practitioner
18750 SE STARK ST
PORTLAND, OR 97233
Multnomah County (541) 296-7677
MR. JEAN-ELIE MOREAU FNP
Nurse Practitioner
18750 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 666-6717

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 John Loomis's NPI number?

The NPI number for John Loomis is 1487618781. It was assigned to this individual provider in the NPPES registry on April 13, 2006.

Where is John Loomis located?

John Loomis practices at 18750 SE Stark St, Portland, OR 97233. The listed phone number is (503) 666-6717.

What is John Loomis's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for John Loomis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.