KIRSTEN M. NIELSEN MD
NPI 1891831053
Psychiatry & Neurology - Neurology in Golden, CO
About Kirsten M. Nielsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIRSTEN M. NIELSEN MD (NPI 1891831053) is an individual neurology provider in Golden, Colorado, licensed in Colorado (48490) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Kirsten M. Nielsen 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
2Medicare enrollment records show Kirsten Nielsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 142 clinicians in this Medicare group
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 314 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80401 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.
GOLDEN, CO 80401
GOLDEN, CO 80401
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 Kirsten Nielsen's NPI number?
The NPI number for Kirsten Nielsen is 1891831053. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Kirsten Nielsen located?
Kirsten Nielsen practices at 1707 Cole Blvd Ste 150, Golden, CO 80401. The listed phone number is (303) 716-8027.
What is Kirsten Nielsen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Kirsten Nielsen enrolled in Medicare?
Yes. Kirsten Nielsen 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 Kirsten Nielsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Nielsen reassigns Medicare benefits to 2 organizations: New West Physicians Inc (Golden, CO) and Optumcare Colorado Medical Group LLC (Golden, CO). 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 Kirsten Nielsen'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 Kirsten Nielsen was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.