Doctor profile · Federal record

Dr. Thaddeus Liniewicz, D.O.

Surgery Physician (CMS: General Surgery) · Englewood, CO

  • NPI 1770968372
  • Accepts Medicare
  • MIPS 52.6 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 E Hampden Ave, #3245
Englewood, CO 801132702
(303) 788-8839
Mailing address
480 W Burgundy St Unit 1237
Highlands Ranch, CO 801296630

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Colorado #TL.0005469

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770968372. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
3
Medicare allowed
$9,594
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 43 37 $77
99291 Critical care, first 30-74 minutes 17 14 $211
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $170

In context: peer comparison

Among 7 peers in Englewood Surgery Physician, average services per provider: 54. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$140
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $139.53

By nature of payment

Food and Beverage
$140

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$55
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 13 13 $55

Frequently asked questions

Auto-generated from federal data
What is Dr. Thaddeus Liniewicz's medical specialty?
Dr. Thaddeus Liniewicz practices Surgery Physician in Englewood, CO.
Where does Dr. Thaddeus Liniewicz practice?
Dr. Thaddeus Liniewicz practices at 501 E Hampden Ave, Englewood, CO 801132702. Office phone: 3037888839.
What is Dr. Thaddeus Liniewicz's NPI?
Dr. Thaddeus Liniewicz's National Provider Identifier (NPI) is 1770968372, issued by NPPES.
Does Dr. Thaddeus Liniewicz accept Medicare assignment?
Yes. Dr. Thaddeus Liniewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thaddeus Liniewicz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.