MS. ALEXIS ANN MCALLISTER (PNP) – Pediatric Nurse Practitioner, NPI 1164827242
Pediatric Nurse Practitioner
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MS. ALEXIS ANN MCALLISTER (PNP)
1 Childrens Pl
Div Ped Endocrinology and Diabetes
Saint Louis, MO 631101002
Phone: (314) 454-6051
Fax: (314) 454-6225
Type: Location
9401 HOLY CROSS LN STE 112
BREESE, IL 622303510
Phone: (618) 526-7271
Fax: (618) 526-7313
Type: Mailing
1 CHILDRENS PL
MSC 8515-87-1200
SAINT LOUIS, MO 631101002
Phone: (314) 454-6051
Fax: (314) 454-6225
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $371.
Total Amount is formed as General ($371) + Research ($0) + Ownership ($0) = $371.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Tandem Diabetes Care, Inc. ($111).
Total Amount
$371
General + Research + Ownership
Payments
15
Total payment records
General Amount
$371
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Tandem Diabetes Care, Inc. | $111 |
| Cranial Technologies, Inc | $67 |
| Merck Sharp & Dohme LLC | $64 |
| Dexcom, Inc. | $49 |
| Insulet Corporation | $46 |
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: 2019-03-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20190116000319 | I | Nurse Practitioner | MO | TBD |
| I20190325002610 | I | Nurse Practitioner | IL | 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 63110)
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