DR. JOSEPH MICHAEL SLIEPKA III MD
NPI 1093342248
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Seattle, WA
About Dr. Joseph Michael Sliepka Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH MICHAEL SLIEPKA III MD (NPI 1093342248) is an individual pediatric orthopaedic surgery provider in Seattle, Washington, licensed in Washington (MD.70018281) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joseph Michael Sliepka Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Joseph Sliepka reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
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.
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
SEATTLE, WA 98105
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 Joseph Sliepka's NPI number?
The NPI number for Joseph Sliepka is 1093342248. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Joseph Sliepka located?
Joseph Sliepka practices at 4800 Sand Point Way NE, Seattle, WA 98105. The listed phone number is (206) 987-2000.
What is Joseph Sliepka's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.
Is Joseph Sliepka enrolled in Medicare?
Yes. Joseph Sliepka is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joseph Sliepka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Sliepka reassigns Medicare benefits to 2 organizations: Association Of Chmc And University Physicians (Seattle, WA) and The Association Of University Physicians (Seattle, WA). 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 Joseph Sliepka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Sliepka accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Joseph Sliepka 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 Joseph Sliepka was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Joseph Michael Sliepka III, MD · NPI 1093342248
Pediatric Orthopaedic Surgery physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1093342248 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Orthopaedic Surgery - Pediatric Orthopaedic Surgery · taxonomy 207XP3100X
- **State license:** MD.70018281 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 SAND POINT WAY NE, Seattle, WA 98105-3901
- **Phone:** (206) 987-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Association Of Chmc And University Physicians (NPI 1649497827, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1093342248) · Data from the CMS NPPES public registry.