ALLISON COOK
NPI 1144749516
Counselor - Mental Health in Denver, CO
About Allison Cook NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON COOK (NPI 1144749516) is an individual mental health provider in Denver, Colorado and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Allison Cook 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 Allison Cook 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.
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.
DENVER, CO 80210
DENVER, CO 80210
DENVER, CO 80210
DENVER, CO 80210
DENVER, CO 80210
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 Allison Cook's NPI number?
The NPI number for Allison Cook is 1144749516. It was assigned to this individual provider in the NPPES registry on September 16, 2017.
Where is Allison Cook located?
Allison Cook practices at 2450 S Vine St, Denver, CO 80210. The listed phone number is (303) 871-3626.
What is Allison Cook's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Allison Cook enrolled in Medicare?
Yes. Allison Cook 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 Allison Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Cook 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 Allison Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Cook accept?
Health plans from Oscar Insurance Company and Select Health list Allison Cook 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 Allison Cook was last updated on September 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Allison Cook · NPI 1144749516
Mental Health provider in Denver, Colorado. Individual provider, active in the CMS NPPES registry since September 16, 2017.
## Identity
- **NPI:** 1144749516 (Entity type: Individual)
- **Enumerated:** September 16, 2017
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 2450 S VINE ST, Denver, CO 80210-5264
- **Phone:** (303) 871-3626
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 16, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1144749516) · Data from the CMS NPPES public registry.