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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.

STEPHEN J WALLACE MD PC
NPI 1063176352
Orthopaedic Surgery - Orthopaedic Trauma in Lake Oswego, OR

Active since October 24, 2021
4250 MERCANTILE DR, LAKE OSWEGO, OR 97035(503) 850-9940(503) 850-6709 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 1, 2026, Jan 8, 2026, Oct 24, 2021 (3 updates tracked since 2021).

About Stephen J Wallace Md Pc NPPES

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

STEPHEN J WALLACE MD PC (NPI 1063176352) is a healthcare organization registered as an orthopaedic trauma in Lake Oswego, Oregon and active in the NPI registry since October 2021. The organization lists Stephen J Wallace, Md, as its authorized official.

NPPES Registry Identity

NPI1063176352
Entity TypeOrganization
Primary Taxonomy207XX0801X
Legal Business NameSTEPHEN J WALLACE MD PC
Location Address4250 MERCANTILE DRLake Oswego, OR 97035-2504
Mailing Address4103 Mercantile DrLake Oswego, OR 97035-2556 · (503) 850-9940 · Fax (503) 850-6709
Phone(503) 850-9940
Fax(503) 850-6709
Organization SubpartNo
Authorized OfficialStephen J WallaceMd · (270) 556-0604
Enumeration DateOctober 24, 2021
Last NPPES UpdateOctober 1, 20263 updates tracked since enumeration
NPPES CertifiedOctober 1, 2026
✔ NPI 1063176352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic TraumaAllopathic & Osteopathic Physicians
Taxonomy Code207XX0801X
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
4250 MERCANTILE DR, Lake Oswego, OR 97035
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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.

STEPHEN J WALLACE MD
Orthopaedic Surgery (Orthopaedic Trauma)
4250 MERCANTILE DR
LAKE OSWEGO, OR 97035
Clackamas County (503) 850-9940
DR. AMER J MIRZA M.D.
Orthopaedic Surgery
4250 MERCANTILE DR
LAKE OSWEGO, OR 97035
Clackamas County (503) 850-9940
MRS. KENDALL AMANDA JOHNSON PA-C
Physician Assistant (Surgical)
4250 MERCANTILE DR
LAKE OSWEGO, OR 97035
Clackamas County (503) 850-9940

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 Stephen J Wallace MD PC's NPI number?

The NPI number for Stephen J Wallace MD PC is 1063176352. It was assigned to this organization in the NPPES registry on October 24, 2021.

Where is Stephen J Wallace MD PC located?

Stephen J Wallace MD PC is located at 4250 Mercantile Dr, Lake Oswego, OR 97035. The listed phone number is (503) 850-9940.

What is Stephen J Wallace MD PC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Trauma, with taxonomy code 207XX0801X.

When was this NPI record last updated?

The NPPES record for Stephen J Wallace MD PC was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.