DR. MANUEL ARNALDO VILCHEZ-DIAZ (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1164684908
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
113 CRITICAL CARE (INTENSIVISTS) in AR
Provider Addresses for DR. MANUEL ARNALDO VILCHEZ-DIAZ (M.D.)
Fannin Street, Houston, Harris County, Texas, 77201, United States
HOUSTON, TX 770302703
Phone: (713) 441-1100
Type: Mailing
7301 Rogers Ave
Fort Smith, AR 729034100
Phone: (479) 314-6486
Fax: (479) 314-2021
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $349.
Total Amount is formed as General ($349) + Research ($0) + Ownership ($0) = $349.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Alcresta Therapeutics, Inc. ($122).
Total Amount
$349
General + Research + Ownership
Payments
5
Total payment records
General Amount
$349
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcresta Therapeutics, Inc. | $122 |
| La Jolla Pharmaceutical Company | $122 |
| Cook Medical LLC | $42 |
| Teleflex LLC | $33 |
| ABIOMED | $31 |
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: 2020-01-28
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 |
|---|---|---|---|---|
| I20200128000817 | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 303 | 133 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 53 | 43 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 23 | $0 |
| 31500 | Emergent insertion of breathing tube into windpipe using an endoscope | 14 | 12 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 14 | 14 | $0 |
Insurance plans in this area (ZIP 77030)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | AR | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 51 | 48 |
| CRITICAL CARE (INTENSIVISTS) | AR | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 85 | 78 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Thoracic Surgery, Vascular Surgery | TX | |
| Medical Oncology, Hematology | TX | |
| Internal Medicine | TX | |
| General Surgery | NY | |
| G A S T R O E N T E R O L O G Y | LA | |
| Internal Medicine | TX |
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