DR. MY CHARLLINS VILSAINT (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1265631360
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,297 INTERNAL MEDICINE in TX
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Provider Addresses for DR. MY CHARLLINS VILSAINT (M.D.)
7703, Floyd Curl Drive, South Texas Medical Center, San Antonio, Bexar County, Texas, 78229, United States
UTHSCSA
SAN ANTONIO, TX 782293901
Phone: (917) 859-0175
Fax: (210) 949-3006
Mailing address matches the actual address.
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: 2010-09-24
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 |
|---|---|---|---|---|
| I20100924000133 | I | Internal Medicine | 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 | 173 | 98 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 56 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 38 | 34 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 19 | 18 | $0 |
Insurance plans in this area (ZIP 78229)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | TX | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 17 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pulmonary Disease | TX | |
| Critical Care (Intensivists), Internal Medicine, Pulmonary Disease | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine, Critical Care (Intensivists) | CO | |
| Nurse Practitioner | TX | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Emergency Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Pulmonary Disease | OR |
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