DR. STEPHANIE DETLEFSEN MD
NPI 1831209980
Internal Medicine in Portland, OR
About Dr. Stephanie Detlefsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE DETLEFSEN MD (NPI 1831209980) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD21644) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephanie Detlefsen 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.
Medicare Billing Reassignment
Medicare enrollment records show Stephanie Detlefsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1184786527 (Washington)
- 3,207 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Stephanie Detlefsen's NPI number?
The NPI number for Stephanie Detlefsen is 1831209980. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Stephanie Detlefsen located?
Stephanie Detlefsen practices at 3550 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 331-6440.
What is Stephanie Detlefsen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephanie Detlefsen enrolled in Medicare?
Yes. Stephanie Detlefsen 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.
Which organization bills Medicare for Stephanie Detlefsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Detlefsen reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Detlefsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Detlefsen accept?
Health plans from Kaiser Permanente list Stephanie Detlefsen 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 Stephanie Detlefsen was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Stephanie Detlefsen, MD · NPI 1831209980
Internal Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1831209980 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD21644 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3550 N INTERSTATE AVE, Portland, OR 97227-1196
- **Phone:** (503) 331-6440
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Northwest (NPI 1093043424, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** February 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1831209980) · Data from the CMS NPPES public registry.