MARK W. ELLIOTT MD
NPI 1346256658
Emergency Medicine in Denver, CO
About Mark W. Elliott Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK W. ELLIOTT MD (NPI 1346256658) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (27771) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Mark W. Elliott Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Elliott reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80210
- Reassigned Medicare billing, Colorado enrollment
- 468 clinicians in this Medicare group
Denver, CO 80224
- Reassigned Medicare billing, Colorado enrollment
- 352 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80210 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.
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 Mark Elliott's NPI number?
The NPI number for Mark Elliott is 1346256658. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Mark Elliott located?
Mark Elliott practices at 2525 S Downing St Porter Adventist Hospital, Denver, CO 80210. The listed phone number is (303) 778-5666.
What is Mark Elliott's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Elliott enrolled in Medicare?
Yes. Mark Elliott is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Elliott's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Elliott reassigns Medicare benefits to 2 organizations: Usacs Of Colorado Inc (Denver, CO) and Usacs Community Emergency Services Of Colorado, Inc. (Denver, 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 Mark Elliott'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 Mark Elliott was last updated on March 12, 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.
# Mark W. Elliott, MD · NPI 1346256658
Emergency Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1346256658 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 27771 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2525 S DOWNING ST, PORTER ADVENTIST HOSPITAL, Denver, CO 80210-5817
- **Phone:** (303) 778-5666 · **Fax:** (303) 778-5787
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Usacs Of Colorado Inc (NPI 1104452952, Denver, CO); Usacs Community Emergency Services Of Colorado, Inc. (NPI 1811522972, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 12, 2009
- **Other identifiers:** Medicare ID-Type Unspecified P2038 (CO); Medicaid 01277714 (CO); Medicare UPIN E37804 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1346256658) · Data from the CMS NPPES public registry.