DR. ALLISTER DERWIN ARNOLD (M.D.) – Diagnostic Radiology Physician, NPI 1114993169
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,303 DIAGNOSTIC RADIOLOGY in TX
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Provider Addresses for DR. ALLISTER DERWIN ARNOLD (M.D.)
Driscoll Children's Hospital, 3533, South Alameda Street, Bay Area, Corpus Christi, Nueces County, Texas, 78411, United States
CPSST, 5TH FLOOR SLOAN BLDG,
CORPUS CHRISTI, TX 784111721
Phone: (361) 694-5240
Fax: (361) 694-4080
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: 2005-04-06
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 |
|---|---|---|---|---|
| I20050406001256 | I | Diagnostic Radiology | 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 78411)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | TX | |
| - | TX | |
| Critical Care (Intensivists), Pediatric Medicine | TX | |
| Neurology, Pediatric Medicine | TX | |
| Critical Care (Intensivists), Pediatric Medicine | TX | |
| Pediatric Medicine | TX | |
| Neurology, Pediatric Medicine | TX | |
| Pulmonary Disease | TX | |
| Nephrology, Pediatric Medicine | TX | |
| - | TX |
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