SIRI AUSTILL
NPI 1104201185
Social Worker - Clinical in Greeley, CO
About Siri Austill NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIRI AUSTILL (NPI 1104201185) is an individual clinical provider in Greeley, Colorado and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Siri Austill is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Siri Austill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80202
- Reassigned Medicare billing, Colorado enrollment
- 940 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 80631 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.
GREELEY, CO 80631
GREELEY, CO 80631
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 Siri Austill's NPI number?
The NPI number for Siri Austill is 1104201185. It was assigned to this individual provider in the NPPES registry on July 20, 2015.
Where is Siri Austill located?
Siri Austill practices at 1300 N 17th Ave, Greeley, CO 80631. The listed phone number is (970) 347-2120.
What is Siri Austill's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Siri Austill enrolled in Medicare?
Yes. Siri Austill is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Siri Austill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siri Austill reassigns Medicare benefits to Sondermind Provider Network LLC (Denver, 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 Siri Austill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siri Austill accept?
Health plans from Select Health list Siri Austill 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 Siri Austill was last updated on May 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Siri Austill · NPI 1104201185
Clinical provider in Greeley, Colorado. Individual provider, active in the CMS NPPES registry since July 20, 2015.
## Identity
- **NPI:** 1104201185 (Entity type: Individual)
- **Enumerated:** July 20, 2015
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1300 N 17TH AVE, Greeley, CO 80631-9584
- **Phone:** (970) 347-2120
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sondermind Provider Network LLC (NPI 1760854442, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 6, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1104201185) · Data from the CMS NPPES public registry.