Doctor profile · Federal record

Dr. Nathan Larson, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Lebanon, MO

  • NPI 1255683777
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Hospital Dr
Lebanon, MO 655369210
(417) 533-6100
fax (417) 533-6021
Mailing address
Po Box 505164
Saint Louis, MO 631505164

Credentials & registration

NPPES · NUCC
NPI registered
October 2012 — 14 yrs on file
Profile last updated
July 16, 2015
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Missouri #2013002285
Medicaid (2)
MO #600420082 · MO #1255683777

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255683777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
4
Medicare allowed
$10,135
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 19 19 $147
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $150
00812 Anesthesia for exam of colon using an endoscope 17 17 $115
00813 Anesthesia for procedure on small and large bowel using an endoscope 16 16 $168

In context: peer comparison

Among 7 peers in this city , average services per provider: 19. This provider delivers 3.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Larson's medical specialty?
Dr. Nathan Larson practices Certified Registered Nurse Anesthetist in Lebanon, MO.
Where does Dr. Nathan Larson practice?
Dr. Nathan Larson practices at 100 Hospital Dr, Lebanon, MO 655369210. Office phone: 4175336100.
What is Dr. Nathan Larson's NPI?
Dr. Nathan Larson's National Provider Identifier (NPI) is 1255683777, issued by NPPES.
Does Dr. Nathan Larson accept Medicare assignment?
Yes. Dr. Nathan Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Larson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.