DR. ALCIBIADES LEONARDO FLEIRES GUTIERREZ (MD) – Internal Medicine Physician, NPI 1265011555
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. ALCIBIADES LEONARDO FLEIRES GUTIERREZ (MD)
6301 ALMEDA RD APT 218
HOUSTON, TX 770211058
Phone: (305) 336-3813
Type: Mailing
5423 S MCCOLL RD
EDINBURG, TX 785399183
Phone: (956) 362-3575
Fax: (956) 362-3584
Type: Location
4645 SWEETWATER BLVD STE 200
SUGAR LAND, TX 774793016
Phone: (281) 565-1112
Type: Mailing
4545 SWEETWATER BLVD STE 200
SUGAR LAND, TX 774793010
Phone: (281) 565-1112
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2024-09-04 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alexion Pharmaceuticals, Inc. | $16 |
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: 2025-03-12
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 |
|---|---|---|---|---|
| I20250312001102 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77021)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | OK | |
| Nurse Practitioner | TX | |
| Hospitalist, Family Practice | TX | |
| Hospitalist, Internal Medicine | NY | |
| Hospitalist, Internal Medicine | CA | |
| Family Practice | TX | |
| H O S P I T A L I S T | TX | |
| Internal Medicine | TX | |
| Internal Medicine | NY | |
| Internal Medicine | TX |
Reviews
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