STEVEN KASSAKIAN M.D.
NPI 1326368184
Internal Medicine in Portland, OR
About Steven Kassakian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN KASSAKIAN M.D. (NPI 1326368184) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD168182) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Warren Alpert Medical School Of Brown University (2010).
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
Steven Kassakian 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 Reassignments
2Medicare enrollment records show Steven Kassakian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Johnstown, CO 80534
- Reassigned Medicare billing, Oregon enrollment
- 57 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 3
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 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Steven Kassakian's NPI number?
The NPI number for Steven Kassakian is 1326368184. It was assigned to this individual provider in the NPPES registry on June 3, 2010.
Where is Steven Kassakian located?
Steven Kassakian practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8962.
What is Steven Kassakian's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Kassakian enrolled in Medicare?
Yes. Steven Kassakian 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 organizations bill Medicare for Steven Kassakian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Kassakian reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Vibra Physicians LLC (Johnstown, CO). Each 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 Steven Kassakian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Kassakian accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Steven Kassakian 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 Steven Kassakian affiliated with any hospitals?
According to CMS data, Steven Kassakian is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Steven Kassakian was last updated on April 7, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.