Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Thomas Eugene Collins, MD

Individual provider Transplant Surgery Physician · NPI 1194750083

Dr. Thomas Eugene Collins, MD practises General Surgery in Denver, Colorado. Graduated from University of Texas Medical School at Houston in 2000, 26 years ago. Practices with Portercare Adventist Health System, a 767-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Colorado and Iowa.

Years since qualifying
26
Trained at
University of Texas Medical School at Houston
Licensed in
CA, CO, IA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2535 S Downing St Ste 380
Denver, CO 80210-5850
Phone: (303) 778-5797
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 200 Hawkins Dr, Iowa City, IA 52242-1009 — (352) 262-9673

Specialties & licences

Transplant Surgery Physician (primary) Taxonomy 204F00000X · Licence DR.0061657 (CO)
Transplant Surgery Physician Taxonomy 204F00000X · Licence A90545 (CA)
Transplant Surgery Physician Taxonomy 204F00000X · Licence 37282 (IA)

Record details

NPI number1194750083
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2000 (26 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients17
Services billed 32 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $427 8 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • AdventHealth Porter Hospital · Denver, CO

Colleagues at Portercare Adventist Health System

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 767 clinicians in the practice; 12 are shown here.

Other providers in Denver