Doctor profile · Federal record

Dr. Lief Sorensen, MD

Anesthesiology Physician (CMS: Anesthesiology) · Superior, CO

  • NPI 1770639452
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 Health Park Dr, Suite 50
Superior, CO 800279584
(303) 661-4100

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 18, 2012
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #46813

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770639452. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
9
Medicare allowed
$31,765
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 70 45 $129
62323 Injection of substance into lower spine canal using imaging guidance 35 23 $99
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $165
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level 23 14 $125
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level 22 13 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 22 20 $92
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 21 14 $128
64636 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 16 12 $87
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 15 13 $284

In context: peer comparison

Among 1 peers in Superior Anesthesiology Physician, average services per provider: 27. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$89
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $70.00
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $19.18

By nature of payment

Food and Beverage
$89

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lief Sorensen's medical specialty?
Dr. Lief Sorensen practices Anesthesiology Physician in Superior, CO.
Where does Dr. Lief Sorensen practice?
Dr. Lief Sorensen practices at 80 Health Park Dr, Superior, CO 800279584. Office phone: 3036614100.
What is Dr. Lief Sorensen's NPI?
Dr. Lief Sorensen's National Provider Identifier (NPI) is 1770639452, issued by NPPES.
Does Dr. Lief Sorensen accept Medicare assignment?
Yes. Dr. Lief Sorensen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lief Sorensen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of substance into lower spine canal using imaging guidance (HCPCS 62323); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.