MICHAEL LOUIS KLEIN MD
NPI 1952353286
Ophthalmology in Portland, OR

Q: What is Michael Klein's NPI number?

The NPI number for Michael Klein is 1952353286. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Q: What is Michael Klein's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Klein 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 3 months 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.

Active since May 16, 2006

3375 SW TERWILLIGER BLVD, PORTLAND, OR 97239(503) 494-3055(503) 494-7233 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Michael Louis Klein Md NPPES

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

MICHAEL LOUIS KLEIN MD (NPI 1952353286) is an individual ophthalmology provider in Portland, Oregon, licensed in Oregon (MD10196) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1952353286

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameMICHAEL LOUIS KLEINCredential: MD

Location Address3375 SW TERWILLIGER BLVDPortland, OR 97239

Mailing AddressPo Box 4183Portland, OR 97208 · (503) 494-6107 · Fax (503) 494-0470

Phone(503) 494-3055

Fax(503) 494-7233

Sole ProprietorNo

Enumeration DateMay 16, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1952353286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in OR · MD10196

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

3375 SW TERWILLIGER BLVD, Portland, OR 97239

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Other Identifiers 1

Medicaid103093OR

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.

ALLISON REBECCA LOH M.D.

Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-3000

MR. AMR M ZAKI M.D.

Student in an Organized Health Care Education/Training Program

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (902) 449-6650

RICHARD GORDON WELEBER MD

Ophthalmology

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-8386

AFSHAN A NANJI M.D.

Ophthalmology (Cornea and External Diseases Specialist)

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-3000

DR. MARK EDWARD PENNESI MD PHD

Ophthalmology

3375 SW TERWILLIGER BLVD, CEI
PORTLAND, OR 97239

Multnomah County (503) 494-8386

TU LAN NHAT NGUYEN MD

Ophthalmology

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-7830

JOHN DANIEL NG MD

Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-3000

DEREK JEN KON LOUIE BS, MS, OD

Optometrist

3375 SW TERWILLIGER BLVD
PORTLAND, OR 97239

Multnomah County (503) 494-3000

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 Michael Klein's NPI number?

The NPI number for Michael Klein is 1952353286. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Michael Klein located?

Michael Klein practices at 3375 SW Terwilliger Blvd, Portland, OR 97239. The listed phone number is (503) 494-3055.

What is Michael Klein's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Michael Klein 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 3 months 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.