MS. KAREN M DEMPSEY RN MSN CS
NPI 1255463139
Clinical Nurse Specialist in Longmont, CO
About Ms. Karen M Dempsey Rn Msn Cs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN M DEMPSEY RN MSN CS (NPI 1255463139) is an individual clinical nurse specialist in Longmont, Colorado, licensed in Colorado (APN.0991817-CNS) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Ms. Karen M Dempsey Rn Msn Cs 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 Reassignment
Medicare enrollment records show Karen Dempsey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Parker, CO 80134
- Reassigned Medicare billing, Colorado enrollment
- 13 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 80503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Dempsey's NPI number?
The NPI number for Karen Dempsey is 1255463139. It was assigned to this individual provider in the NPPES registry on March 9, 2007.
Where is Karen Dempsey located?
Karen Dempsey practices at 5632 Bowron Pl, Longmont, CO 80503. The listed phone number is (508) 292-0435.
What is Karen Dempsey's specialty?
The primary specialty registered for this NPI is Clinical Nurse Specialist with taxonomy code 364S00000X.
Is Karen Dempsey enrolled in Medicare?
Yes. Karen Dempsey 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 organization bills Medicare for Karen Dempsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Dempsey reassigns Medicare benefits to Sadari Medical (Parker, 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 Dempsey'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 Dempsey was last updated on November 10, 2015. 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.
# Ms. Karen M Dempsey, RN MSN CS · NPI 1255463139
Clinical Nurse Specialist physician in Longmont, Colorado. Individual provider, active in the CMS NPPES registry since March 9, 2007.
## Identity
- **NPI:** 1255463139 (Entity type: Individual)
- **Enumerated:** March 9, 2007
- **Primary specialty:** Clinical Nurse Specialist · taxonomy 364S00000X
- **State license:** APN.0991817-CNS (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 5632 BOWRON PL, Longmont, CO 80503-8621
- **Phone:** (508) 292-0435
## 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:** Sadari Medical (NPI 1801355169, Parker, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** November 10, 2015
- **Other identifiers:** Other 273321000; Other 779244; Medicare ID-Type Unspecified NS0200
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Source: [NPI Profile](https://npiprofile.com/npi/1255463139) · Data from the CMS NPPES public registry.