SIERRA LENGAUER BARNES MA, LPC
NPI 1871124081
Counselor - Professional in Greenwood Village, CO
About Sierra Lengauer Barnes Ma, Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA LENGAUER BARNES MA, LPC (NPI 1871124081) is an individual professional provider in Greenwood Village, Colorado, licensed in Colorado (LPC.0019863) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Sierra Lengauer Barnes Ma, Lpc 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 Sierra Barnes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenwood Village, CO 80111
- 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.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
GREENWOOD VILLAGE, CO 80111
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 Sierra Barnes's NPI number?
The NPI number for Sierra Barnes is 1871124081. It was assigned to this individual provider in the NPPES registry on January 28, 2020.
Where is Sierra Barnes located?
Sierra Barnes practices at 7400 E Crestline Cir Ste 145, Greenwood Village, CO 80111. The listed phone number is (720) 446-5430.
What is Sierra Barnes's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Sierra Barnes enrolled in Medicare?
Yes. Sierra Barnes 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 Sierra Barnes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Barnes reassigns Medicare benefits to Tiger & Bolt Managed Services, LLC (Greenwood Village, 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 Sierra Barnes'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 Sierra Barnes was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.
# Sierra Lengauer Barnes, MA, LPC · NPI 1871124081
Professional provider in Greenwood Village, Colorado. Individual provider, active in the CMS NPPES registry since January 28, 2020.
## Identity
- **NPI:** 1871124081 (Entity type: Individual)
- **Enumerated:** January 28, 2020
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** LPC.0019863 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 7400 E CRESTLINE CIR STE 145, Greenwood Village, CO 80111-3656
- **Phone:** (720) 446-5430
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Tiger & Bolt Managed Services, LLC (NPI 1841938180, Greenwood Village, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 23, 2026
- **Other identifiers:** Medicaid 9000222733 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1871124081) · Data from the CMS NPPES public registry.