LEON L TUNG (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1700171287
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,360 CRITICAL CARE (INTENSIVISTS) in TX
Provider Addresses for LEON L TUNG (M.D.)
619 S FLEISHEL AVE STE 100
TYLER, TX 757012004
Phone: (903) 606-2830
Type: Location
PO BOX 846098
DALLAS, TX 752846098
Phone: (903) 324-6400
Type: Mailing
200 BLOSSOM ST
WEBSTER, TX 775984204
Phone: (832) 632-6500
Fax: (832) 632-9297
Type: Location
619 S Fleishel Ave Ste 100
Tyler, TX 75701
Phone: (903) 606-2830
Type: Location
1514 Jefferson Hwy
New Orleans, LA 701212429
Phone: (504) 842-4096
Type: Location
3201 S Loop 256
Palestine, TX 758016901
Phone: (903) 661-7057
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 44 Open Payments records for all available years, with a total value of $2,068.
Total Amount is formed as General ($2,068) + Research ($0) + Ownership ($0) = $2,068.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($932).
Total Amount
$2,068
General + Research + Ownership
Payments
44
Total payment records
General Amount
$2,068
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2020-02-04
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 |
|---|---|---|---|---|
| I20200204000821 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 442 | 161 | $0 |
| 99291 | Critical care, first 30-74 minutes | 378 | 159 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 202 | 127 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 166 | 81 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 61 | 60 | $0 |
Insurance plans in this area (ZIP 75701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | NY | |
| Sleep Medicine, Critical Care (Intensivists) | TX | |
| Surgical Oncology | NY | |
| General Surgery | TN | |
| General Surgery | GA | |
| U R O L O G Y | NY | |
| Nurse Practitioner | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
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