CORNELIUS W VANNIEL MD
NPI 1023163102
Pediatrics in Seattle, WA
About Cornelius W Vanniel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CORNELIUS W VANNIEL MD (NPI 1023163102) is an individual pediatrics provider in Seattle, Washington, licensed in Washington (MD00037681) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Cornelius W Vanniel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cornelius Vanniel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98108
- Reassigned Medicare billing, Washington enrollment
- 525 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 98108 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.
SEATTLE, WA 98108
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 Cornelius Vanniel's NPI number?
The NPI number for Cornelius Vanniel is 1023163102. It was assigned to this individual provider in the NPPES registry on January 25, 2007.
Where is Cornelius Vanniel located?
Cornelius Vanniel practices at 8720 14th Ave S, Seattle, WA 98108. The listed phone number is (206) 762-3730.
What is Cornelius Vanniel's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Cornelius Vanniel enrolled in Medicare?
Yes. Cornelius Vanniel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cornelius Vanniel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cornelius Vanniel reassigns Medicare benefits to Sea Mar Community Health Centers (Seattle, WA). 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 Cornelius Vanniel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cornelius Vanniel accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Cornelius Vanniel 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 Cornelius Vanniel was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Cornelius W Vanniel, MD · NPI 1023163102
Pediatrics physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 25, 2007.
## Identity
- **NPI:** 1023163102 (Entity type: Individual)
- **Enumerated:** January 25, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD00037681 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 8720 14TH AVE S, Seattle, WA 98108-4807
- **Phone:** (206) 762-3730 · **Fax:** (206) 764-0523
## 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:** Sea Mar Community Health Centers (NPI 1962588426, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 27, 2023
- **Other identifiers:** Medicaid 1000679 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1023163102) · Data from the CMS NPPES public registry.