Doctor profile · Federal record

Dr. Nicholas Larsen, DO

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Anesthesiology Physician · Anesthesiology Physician · Anesthesiology Physician · Ogden, UT

  • NPI 1164644464
  • Accepts Medicare
  • MIPS 79.7 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4401 Harrison Blvd
Ogden, UT 844033195
(801) 387-2800
fax (770) 701-6675
Mailing address
Po Box 3570
Salt Lake City, UT 841103570

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 25, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (5)
Utah #7650570-1204 · Oregon #DO222362 · Wisconsin #3084-321 · Montana #148134 · Iowa #DO-07085

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164644464. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
4
Medicare allowed
$7,512
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 14 14 $117
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $117
01402 Anesthesia for procedure for total knee joint replacement 12 12 $313
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 12 12 $61

In context: peer comparison

Among 19 peers in this city , average services per provider: 19. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$54
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
VERTEX PHARMACEUTICALS INCORPORATED 1 $23.16
Novartis Pharmaceuticals Corporation 1 $17.04
Boston Scientific Corporation 1 $13.80

By nature of payment

Food and Beverage
$54

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Larsen's medical specialty?
Dr. Nicholas Larsen practices Anesthesiology Physician in Ogden, UT.
Where does Dr. Nicholas Larsen practice?
Dr. Nicholas Larsen practices at 4401 Harrison Blvd, Ogden, UT 844033195. Office phone: 8013872800.
What is Dr. Nicholas Larsen's NPI?
Dr. Nicholas Larsen's National Provider Identifier (NPI) is 1164644464, issued by NPPES.
Does Dr. Nicholas Larsen accept Medicare assignment?
Yes. Dr. Nicholas Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Larsen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.