DR. ALEXANDER CHASE CASTILLO (M.D.) – Plastic and Reconstructive Surgery Physician, NPI 1962822684
Plastic and Reconstructive Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
589 PLASTIC AND RECONSTRUCTIVE SURGERY in TX
Provider Addresses for DR. ALEXANDER CHASE CASTILLO (M.D.)
PO BOX 749
PHARR, TX 785771614
Phone: (956) 362-8160
Fax: (956) 362-8169
Type: Mailing
1100 E DOVE AVE STE 400
MCALLEN, TX 785044672
Phone: (956) 362-8160
Fax: (956) 362-8169
Type: Location
227 SAINT PAUL ST
BALTIMORE, MD 212022001
Phone: (410) 332-9700
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $158.
Total Amount is formed as General ($158) + Research ($0) + Ownership ($0) = $158.
Last reported payment date: 2024-04-23 • Largest payer in this snapshot: Mentor Worldwide LLC ($158).
Total Amount
$158
General + Research + Ownership
Payments
2
Total payment records
General Amount
$158
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mentor Worldwide LLC | $158 |
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: 2021-08-04
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 |
|---|---|---|---|---|
| I20210804000716 | I | Plastic And Reconstructive 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78577)
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