KATHARINE F MARSHALL MD
NPI 1891143327
Internal Medicine - Addiction Medicine in Portland, OR
About Katharine F Marshall Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE F MARSHALL MD (NPI 1891143327) is an individual addiction medicine provider in Portland, Oregon, licensed in Oregon (MD194144) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Oregon Health Sciences University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katharine F Marshall Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PORTLAND, OR 97227
PORTLAND, OR 97227
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 Katharine Marshall's NPI number?
The NPI number for Katharine Marshall is 1891143327. It was assigned to this individual provider in the NPPES registry on May 25, 2016.
Where is Katharine Marshall located?
Katharine Marshall practices at 3500 N Interstate Ave, Portland, OR 97227. The listed phone number is (800) 813-2000.
What is Katharine Marshall's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.
Is Katharine Marshall enrolled in Medicare?
Yes. Katharine Marshall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Katharine Marshall accept?
Health plans from Kaiser Permanente and Moda Health Plan, Inc. list Katharine Marshall as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katharine Marshall was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
