DR. STEPHANIE J MENGDEN KOON M.D.
NPI 1780667527
Dermatology - Dermatopathology in Tigard, OR
About Dr. Stephanie J Mengden Koon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE J MENGDEN KOON M.D. (NPI 1780667527) is an individual dermatopathology provider in Tigard, Oregon, licensed in Oregon (MD28731) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of University Of Texas Medical School At San Antonio (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
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 J Mengden Koon M.d. 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 Mengden Koon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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.
Areas of Expertise CMS Part B claims 20
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97223 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TIGARD, OR 97223
TIGARD, OR 97223
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 Mengden Koon's NPI number?
The NPI number for Stephanie Mengden Koon is 1780667527. It was assigned to this individual provider in the NPPES registry on November 25, 2005. The provider is also known as Stephanie J Mengden MD.
Where is Stephanie Mengden Koon located?
Stephanie Mengden Koon practices at 12254 SW Garden Pl, Tigard, OR 97223. The listed phone number is (503) 906-7300.
What is Stephanie Mengden Koon's specialty?
The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.
Is Stephanie Mengden Koon enrolled in Medicare?
Yes. Stephanie Mengden Koon 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 Mengden Koon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Mengden Koon reassigns Medicare benefits to University Professional Services (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 Mengden Koon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Mengden Koon accept?
Health plans from Kaiser Permanente, Moda Health Plan, Inc. and PacificSource Health Plans list Stephanie Mengden Koon 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.
Is Stephanie Mengden Koon affiliated with any hospitals?
According to CMS data, Stephanie Mengden Koon is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Stephanie Mengden Koon was last updated on November 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 J Mengden Koon, M.D. · NPI 1780667527
Dermatopathology physician in Tigard, Oregon. Individual provider, active in the CMS NPPES registry since November 25, 2005.
## Identity
- **NPI:** 1780667527 (Entity type: Individual)
- **Enumerated:** November 25, 2005
- **Primary specialty:** Dermatology - Dermatopathology · taxonomy 207ND0900X
- **State license:** MD28731 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 12254 SW GARDEN PL, Tigard, OR 97223-8246
- **Phone:** (503) 906-7300 · **Fax:** (503) 245-8219
## 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:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2002
## Record status
- **NPPES last updated:** November 2, 2010
- **Other identifiers:** Medicare UPIN H95915
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Source: [NPI Profile](https://npiprofile.com/npi/1780667527) · Data from the CMS NPPES public registry.