DR. MATTHEW ALEXANDER CLARK M.D.
NPI 1215993308
Internal Medicine in Towaoc, CO
About Dr. Matthew Alexander Clark M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW ALEXANDER CLARK M.D. (NPI 1215993308) is an individual internal medicine provider in Towaoc, Colorado, licensed in Colorado (39323) and active in the NPI registry since April 2006.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Alexander Clark M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Matthew Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Towaoc, CO 81334
- Reassigned Medicare billing, Texas enrollment
- 11 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.
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 Matthew Clark's NPI number?
The NPI number for Matthew Clark is 1215993308. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Matthew Clark located?
Matthew Clark practices at Ute Mountain Ute Health Center Complex B Rustling Willow Street, Towaoc, CO 81334. The listed phone number is (970) 565-4441.
What is Matthew Clark's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Clark enrolled in Medicare?
Yes. Matthew Clark is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Matthew Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Clark reassigns Medicare benefits to Southern Colorado Ute Service Unit (Towaoc, 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 Matthew Clark'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 Matthew Clark was last updated on October 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Matthew Alexander Clark, M.D. · NPI 1215993308
Internal Medicine physician in Towaoc, Colorado. Individual provider, active in the CMS NPPES registry since April 26, 2006.
## Identity
- **NPI:** 1215993308 (Entity type: Individual)
- **Enumerated:** April 26, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 39323 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** UTE MOUNTAIN UTE HEALTH CENTER, COMPLEX B RUSTLING WILLOW STREET, Towaoc, CO 81334-0049
- **Phone:** (970) 565-4441
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Southern Colorado Ute Service Unit (NPI 1255422788, Towaoc, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 5, 2009
- **Other identifiers:** Medicare ID-Type Unspecified 8EZ481 (CO); Medicare UPIN H41561 (CO); Medicaid 24857751 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1215993308) · Data from the CMS NPPES public registry.