Doctor profile · Federal record

Dr. Thomas Collins, MD

Transplant Surgery Physician (CMS: General Surgery) · Transplant Surgery Physician · Transplant Surgery Physician · Denver, CO

  • NPI 1194750083
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2535 S Downing St Ste 380
Denver, CO 802105850
(303) 778-5797
Additional location
200 Hawkins Dr
Iowa City, IA 522421009
(352) 262-9673

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 24, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
204F00000X — NUCC code
State licenses (3)
Colorado #DR.0061657 · California #A90545 · Iowa #37282
Medicaid
CO #9000169223

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194750083. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$22,932
HCPCS Description Services Patients Avg allowed
50360 Transplantation of donor kidney 11 11 $2,085

In context: peer comparison

Among 3 peers in Denver Transplant Surgery Physician, average services per provider: 71. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$837
Transactions
10
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $523.25
Boston Scientific Corporation 1 $128.01
Medtronic, INC. 1 $32.41
Veloxis Pharmaceuticals, INC. 1 $31.98
Madrigal Pharmaceuticals 1 $29.17
Pacira Pharmaceuticals Incorporated 1 $27.94
Innovation Technologies INC 1 $25.84
Mallinckrodt Hospital Products INC. 1 $19.39
Novartis Pharmaceuticals Corporation 1 $18.98

By nature of payment

Travel and Lodging
$523
Food and Beverage
$314

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
0
Total drug cost
$97
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 16 0 $97

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Collins's medical specialty?
Dr. Thomas Collins practices Transplant Surgery Physician in Denver, CO.
Where does Dr. Thomas Collins practice?
Dr. Thomas Collins practices at 2535 S Downing St Ste 380, Denver, CO 802105850. Office phone: 3037785797.
What is Dr. Thomas Collins's NPI?
Dr. Thomas Collins's National Provider Identifier (NPI) is 1194750083, issued by NPPES.
Does Dr. Thomas Collins accept Medicare assignment?
Yes. Dr. Thomas Collins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Collins commonly perform?
Top Medicare-reported procedures in 2023: Transplantation of donor kidney (HCPCS 50360). Source: CMS Medicare Physician & Other Practitioners file.