DR. MARK STEVEN KESTNER MD
NPI 1407964968
Surgery - Surgical Critical Care in Portland, OR

Active since August 26, 2006
501 N GRAHAM ST, SUITE 580, PORTLAND, OR 97227(503) 528-0704(503) 528-0708 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark Steven Kestner Md NPPES

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

DR. MARK STEVEN KESTNER MD (NPI 1407964968) is an individual surgical critical care provider in Portland, Oregon, licensed in Oregon (MD23365) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1407964968
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. MARK STEVEN KESTNERCredential: MD
Location Address501 N GRAHAM ST, SUITE 580Portland, OR 97227-1654
Mailing Address2801 N Gantenbein AvePortland, OR 97227-1623 · (503) 413-4647
Fax(503) 528-0708
Sole ProprietorYes
Enumeration DateAugust 26, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1407964968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License Licensed in OR · MD23365
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License MD23365 (OR)
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License MD23365 (OR)
501 N GRAHAM ST, Portland, OR 97227

Other Identifiers 1

Medicaid287209OR

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.

Physician Assistant
501 N GRAHAM ST, SUITE #580
PORTLAND, OR 97227
Prosthetic/Orthotic Supplier
501 N GRAHAM ST, STE 255
PORTLAND, OR 97227
Nurse Practitioner (Pediatrics)
501 N GRAHAM ST
PORTLAND, OR 97227
Pediatrics (Pediatric Endocrinology)
501 N GRAHAM ST, SUITE 375
PORTLAND, OR 97227
Surgery
501 N GRAHAM ST, SUITE 555
PORTLAND, OR 97227
Clinic/Center
501 N GRAHAM ST, SUITE 375
PORTLAND, OR 97227
Nurse Practitioner (Pediatrics)
501 N GRAHAM ST, SUITE 355
PORTLAND, OR 97227
Surgery (Pediatric Surgery)
501 N GRAHAM ST, MOB 2 SUITE 300
PORTLAND, OR 97227

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 Mark Kestner's NPI number?

The NPI number for Mark Kestner is 1407964968. It was assigned to this individual provider in the NPPES registry on August 26, 2006.

Where is Mark Kestner located?

Mark Kestner practices at 501 N Graham St Suite 580, Portland, OR 97227. The listed phone number is (503) 528-0704.

What is Mark Kestner's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

When was this NPI record last updated?

The NPPES record for Mark Kestner was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.