ADAM SLACK
NPI 1275701484
Counselor - Mental Health in Denver, CO
About Adam Slack NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM SLACK (NPI 1275701484) is an individual mental health provider in Denver, Colorado and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
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
Adam Slack 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 Adam Slack reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80202
- Reassigned Medicare billing, Colorado enrollment
- 940 clinicians in this Medicare group
Westminster, CO 80021
- Reassigned Medicare billing, Colorado enrollment
- 31 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.
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.
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 Adam Slack's NPI number?
The NPI number for Adam Slack is 1275701484. It was assigned to this individual provider in the NPPES registry on February 11, 2008.
Where is Adam Slack located?
Adam Slack practices at 900 S Broadway Ste 100, Denver, CO 80209. The listed phone number is (303) 603-3020.
What is Adam Slack's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Adam Slack enrolled in Medicare?
Yes. Adam Slack 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 Adam Slack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Slack reassigns Medicare benefits to 2 organizations: Sondermind Provider Network LLC (Denver, CO) and Rocky Mountain Primary Care , PC (Westminster, 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 Adam Slack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adam Slack accept?
Health plans from Oscar Insurance Company, Select Health and UnitedHealthcare list Adam Slack 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 Adam Slack was last updated on February 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Adam Slack · NPI 1275701484
Mental Health provider in Denver, Colorado. Individual provider, active in the CMS NPPES registry since February 11, 2008.
## Identity
- **NPI:** 1275701484 (Entity type: Individual)
- **Enumerated:** February 11, 2008
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 900 S BROADWAY, STE 100, Denver, CO 80209-4198
- **Phone:** (303) 603-3020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sondermind Provider Network LLC (NPI 1760854442, Denver, CO); Rocky Mountain Primary Care , PC (NPI 1215981634, Westminster, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** February 11, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1275701484) · Data from the CMS NPPES public registry.