THOMAS G HEFFRON MD
NPI 1063522423
Transplant Surgery in Denver, CO
About Thomas G Heffron Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS G HEFFRON MD (NPI 1063522423) is an individual transplant surgery provider in Denver, Colorado, licensed in Colorado (47369) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Nebraska College Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Thomas G Heffron 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 Reassignments
3Medicare enrollment records show Thomas Heffron reassigns Medicare billing to 3 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
- 733 clinicians in this Medicare group
Englewood, CO 80113
- Reassigned Medicare billing, Colorado enrollment
- 40 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 21 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.
Referred Medical Equipment & Supplies CMS DME claims 5
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Heffron's NPI number?
The NPI number for Thomas Heffron is 1063522423. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Thomas Heffron located?
Thomas Heffron practices at 2535 S Downing St Ste 400, Denver, CO 80210. The listed phone number is (303) 777-7112.
What is Thomas Heffron's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Thomas Heffron enrolled in Medicare?
Yes. Thomas Heffron 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 Thomas Heffron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Heffron reassigns Medicare benefits to 3 organizations: Portercare Adventist Health System (Denver, CO), Surgone, PC (Englewood, CO) and Traumaone, PLLC (Greenwood Village, 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 Thomas Heffron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Heffron accept?
Health plans from Select Health and UnitedHealthcare list Thomas Heffron 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 Heffron was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.
# Thomas G Heffron, MD · NPI 1063522423
Transplant Surgery physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1063522423 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** 47369 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2535 S DOWNING ST STE 400, Denver, CO 80210-5851
- **Phone:** (303) 777-7112 · **Fax:** (303) 722-7010
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Portercare Adventist Health System (NPI 1174970313, Denver, CO); Surgone, PC (NPI 1598216756, Englewood, CO); Traumaone, PLLC (NPI 1457772162, Greenwood Village, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 1982
## Record status
- **NPPES last updated:** October 21, 2026
- **Other identifiers:** Medicaid 91171009 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1063522423) · Data from the CMS NPPES public registry.