DR. THOMAS EUGENE COLLINS MD
NPI 1194750083
Transplant Surgery in Denver, CO
About Dr. Thomas Eugene Collins Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS EUGENE COLLINS MD (NPI 1194750083) is an individual transplant surgery provider in Denver, Colorado, licensed in Colorado (DR.0061657) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Iowa City, and is a graduate of University Of Texas Medical School At Houston (2000).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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 and accepts Medicare assignment
Dr. Thomas Eugene Collins Md 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 Thomas Collins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80210
- Reassigned Medicare billing, Colorado and Montana enrollments
- Also billed through NPI 1447207378 (Montana)
- 733 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Thomas Collins's NPI number?
The NPI number for Thomas Collins is 1194750083. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Thomas Collins located?
Thomas Collins practices at 2535 S Downing St Ste 380, Denver, CO 80210. The listed phone number is (303) 778-5797.
What is Thomas Collins's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Thomas Collins enrolled in Medicare?
Yes. Thomas Collins 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 Thomas Collins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Collins reassigns Medicare benefits to Portercare Adventist Health System (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 Thomas Collins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Collins accept?
Health plans from Select Health and UnitedHealthcare list Thomas Collins 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 Thomas Collins was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Thomas Eugene Collins, MD · NPI 1194750083
Transplant Surgery physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1194750083 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** DR.0061657 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2535 S DOWNING ST STE 380, Denver, CO 80210-5850
- **Phone:** (303) 778-5797
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Portercare Adventist Health System (NPI 1972981462, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2000
## Record status
- **NPPES last updated:** June 24, 2021
- **Other identifiers:** Medicaid 9000169223 (CO); Other 70103 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1194750083) · Data from the CMS NPPES public registry.