CASEY ALLISON SEIDEMAN MD
NPI 1942439005
Urology - Pediatric Urology in Portland, OR
About Casey Allison Seideman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY ALLISON SEIDEMAN MD (NPI 1942439005) is an individual pediatric urology provider in Portland, Oregon, licensed in Oregon (MD175630) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in New Hyde Park, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Casey Allison Seideman 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 Reassignments
3Medicare enrollment records show Casey Seideman reassigns Medicare billing to 3 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
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 clinicians in this Medicare group
Hillsboro, OR 97123
- Reassigned Medicare billing, Oregon enrollment
- 691 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.
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 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 Casey Seideman's NPI number?
The NPI number for Casey Seideman is 1942439005. It was assigned to this individual provider in the NPPES registry on July 10, 2009.
Where is Casey Seideman located?
Casey Seideman practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-4808.
What is Casey Seideman's specialty?
The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.
Is Casey Seideman enrolled in Medicare?
Yes. Casey Seideman 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 Casey Seideman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Seideman reassigns Medicare benefits to 3 organizations: University Professional Services (Portland, OR), Legacy Emanuel Hospital & Health Center (Portland, OR) and Tuality Medical Group LLC (Hillsboro, OR). 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 Casey Seideman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Casey Seideman accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Casey Seideman 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 Casey Seideman was last updated on September 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Casey Allison Seideman, MD · NPI 1942439005
Pediatric Urology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since July 10, 2009.
## Identity
- **NPI:** 1942439005 (Entity type: Individual)
- **Enumerated:** July 10, 2009
- **Primary specialty:** Urology - Pediatric Urology · taxonomy 2088P0231X
- **State license:** MD175630 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-4808
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Professional Services (NPI 1376709535, Portland, OR); Legacy Emanuel Hospital & Health Center (NPI 1003367491, Portland, OR); Tuality Medical Group LLC (NPI 1639690704, Hillsboro, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** September 2, 2020
- **Other identifiers:** Other 1942439005 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1942439005) · Data from the CMS NPPES public registry.