MS. KAREN LEE CASEY RDN
NPI 1639911936
Dietitian, Registered in Leadville, CO
About Ms. Karen Lee Casey Rdn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN LEE CASEY RDN (NPI 1639911936) is an individual dietitian, registered in Leadville, Colorado, licensed in New Mexico (NDP-2025-0148) and active in the NPI registry since June 2024. She is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Karen Lee Casey Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Casey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Leadville, CO 80461
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1457315152 (Colorado)
- 55 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.
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 Karen Casey's NPI number?
The NPI number for Karen Casey is 1639911936. It was assigned to this individual provider in the NPPES registry on June 10, 2024.
Where is Karen Casey located?
Karen Casey practices at 1824 Lodestone Dr, Leadville, CO 80461. The listed phone number is (303) 246-4150.
What is Karen Casey's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Karen Casey enrolled in Medicare?
Yes. Karen Casey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Casey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Casey reassigns Medicare benefits to St. Vincent General Hospital District (Leadville, CO). 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 Karen Casey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Casey was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ms. Karen Lee Casey, RDN · NPI 1639911936
Dietitian, Registered provider in Leadville, Colorado. Individual provider, active in the CMS NPPES registry since June 10, 2024.
## Identity
- **NPI:** 1639911936 (Entity type: Individual)
- **Enumerated:** June 10, 2024
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** NDP-2025-0148 (New Mexico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1824 LODESTONE DR, Leadville, CO 80461-3716
- **Phone:** (303) 246-4150
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** St. Vincent General Hospital District (NPI 1083351969, Leadville, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639911936) · Data from the CMS NPPES public registry.