Doctor profile · Federal record

Dr. Thomas Heffron, MD

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

  • NPI 1063522423
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2535 S Downing St Ste 400
Denver, CO 802105851
(303) 777-7112
Mailing address
8490 E Crescent Pkwy Ste 380
Greenwood Village, CO 801112815

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 19, 2024
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
204F00000X — NUCC code
State license (1)
Colorado #47369
Medicaid
CO #91171009

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063522423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
380
Distinct HCPCS
3
Medicare allowed
$37,963
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 217 19 $115
99213 Established patient office or other outpatient visit, 20-29 minutes 139 27 $64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 15 $172

In context: peer comparison

Among 3 peers in Denver Transplant Surgery Physician, average services per provider: 71. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,381
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Histosonics, INC. 2 $1,378.81
Intuitive Surgical, INC. 6 $593.93
Mallinckrodt Hospital Products INC. 1 $133.61
Boston Scientific Corporation 1 $128.01
Intercept Pharmaceuticals, INC. 1 $113.40
Dilon Technologies, INC. 2 $32.82

By nature of payment

Travel and Lodging
$1,242
Food and Beverage
$1,130
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
430
Patients
80
Total drug cost
$45,836
Drug Type Claims Patients Total cost
Tacrolimus Generic 71 24 $22,160
Mycophenolate Mofetil Generic 49 13 $3,271
Ursodiol Generic 49 19 $11,180
Amlodipine Besylate Generic 33 11 $364
Omeprazole Generic 30 0 $276
Pantoprazole Sodium Generic 30 13 $450
Prednisone Generic 28 0 $197
Mycophenolic Acid (Mycophenolate Sodium) Brand 24 0 $5,809
Fludrocortisone Acetate Generic 22 0 $486
Sertraline Hcl Generic 20 0 $302

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Heffron's medical specialty?
Dr. Thomas Heffron practices Transplant Surgery Physician in Denver, CO.
Where does Dr. Thomas Heffron practice?
Dr. Thomas Heffron practices at 2535 S Downing St Ste 400, Denver, CO 802105851. Office phone: 3037777112.
What is Dr. Thomas Heffron's NPI?
Dr. Thomas Heffron's National Provider Identifier (NPI) is 1063522423, issued by NPPES.
Does Dr. Thomas Heffron accept Medicare assignment?
Yes. Dr. Thomas Heffron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Heffron commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.