MEGAN JOAN CASTILLO (PA) – Physician Assistant, NPI 1447781091
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,491 PHYSICIAN ASSISTANT in TX
Provider Addresses for MEGAN JOAN CASTILLO (PA)
1111 MEDICAL PLAZA DR STE 250
SPRING, TX 773803477
Phone: (281) 296-8788
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)
CMS reports 135 Open Payments records for all available years, with a total value of $3,707.
Total Amount is formed as General ($3,707) + Research ($0) + Ownership ($0) = $3,707.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: ABBVIE INC. ($873).
Total Amount
$3,707
General + Research + Ownership
Payments
135
Total payment records
General Amount
$3,707
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $873 |
| Takeda Pharmaceuticals U.S.A., Inc. | $494 |
| QOL Medical, LLC | $424 |
| Janssen Biotech, Inc. | $301 |
| Phathom Pharmaceuticals, Inc. | $299 |
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: 2017-07-06
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 |
|---|---|---|---|---|
| I20170706001266 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| J0696 | Injection, ceftriaxone sodium, per 250 mg | 76 | 18 | $0 |
| 85014 | Red blood cell concentration measurement | 37 | 34 | $0 |
| 80047 | Blood test, basic group of blood chemicals (calcium, ionized) | 37 | 34 | $0 |
| 81002 | Urinalysis, manual test | 36 | 32 | $0 |
| 99344 | Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 77380)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | TX | |
| Gastroenterology, Internal Medicine | TX | |
| - | MO | |
| G A S T R O E N T E R O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| Gastroenterology, Internal Medicine | TX | |
| Gastroenterology, Internal Medicine | TX | |
| Nurse Practitioner | TX |
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