SHAWN C. NESSEN (DO) – Surgical Critical Care Physician, NPI 1790742997
Surgical Critical Care Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,644 GENERAL SURGERY in TX
Provider Addresses for SHAWN C. NESSEN (DO)
800 E DAWSON ST
TYLER, TX 757012036
Phone: (903) 606-5864
Fax: (903) 606-1930
Type: Location
2040 W Charleston Blvd
Suite 302
Las Vegas, NV 891022227
Phone: (910) 425-9710
Type: Location
800 E Dawson St
Tyler, TX 757012036
Phone: (903) 606-5864
Fax: (903) 606-1930
Type: Location
12709 TOEPPERWEIN RD STE 302
LIVE OAK, TX 782333260
Phone: (210) 653-9307
Fax: (210) 653-7014
Type: Location
West Charleston Boulevard, 18b Arts District, Las Vegas, Clark County, Nevada, 89104-1307, United States
#215
LAS VEGAS, NV 891022325
Phone: (702) 671-2395
Fax: (702) 382-5388
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-11-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20201119000186 | I | General Surgery | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare 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 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 16 | 11 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 75701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| - | TX | |
| General Surgery | TX | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | TX | |
| Medical Oncology, Hematology, Internal Medicine | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Urology, General Surgery, Urology | TX | |
| General Surgery | TX |
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