Doctor profile · Federal record

Dr. Shawn Nessen, DO

Surgical Critical Care Physician (CMS: General Surgery) · Surgery Physician · Trauma Surgery Physician · Live Oak, TX

  • NPI 1790742997
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
12709 Toepperwein RD Ste 302
Live Oak, TX 782333260
(210) 653-9307
fax (210) 653-7014
Additional location
2040 W Charleston Blvd, Suite 302
Las Vegas, NV 891022227
(910) 425-9710
Additional location
800 E Dawson St
Tyler, TX 757012036
(903) 606-5864
fax (903) 606-1930
Mailing address
1701 W Charleston Blvd, #215
Las Vegas, NV 891022325

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 20, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2086S0102X — NUCC code
State license (1)
Texas #S7106
Medicaid
TX #417623201

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790742997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
3
Medicare allowed
$6,493
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 70 30 $48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 11 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $127

In context: peer comparison

Among 1 peers in Live Oak Surgical Critical Care Physician, average services per provider: 33. This provider delivers 3.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shawn Nessen's medical specialty?
Dr. Shawn Nessen practices Surgical Critical Care Physician in Live Oak, TX.
Where does Dr. Shawn Nessen practice?
Dr. Shawn Nessen practices at 12709 Toepperwein RD Ste 302, Live Oak, TX 782333260. Office phone: 2106539307.
What is Dr. Shawn Nessen's NPI?
Dr. Shawn Nessen's National Provider Identifier (NPI) is 1790742997, issued by NPPES.
Does Dr. Shawn Nessen accept Medicare assignment?
Yes. Dr. Shawn Nessen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shawn Nessen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.