STEPHANIE NELLESEN (FNP) – Family Nurse Practitioner, NPI 1003362021
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for STEPHANIE NELLESEN (FNP)
189, South New Ballas Road, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SAINT LOUIS, MO 631418255
Phone: (314) 251-6335
Fax: (314) 251-5864
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 1 Open Payments records for all available years, with a total value of $21.
Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.
Last reported payment date: 2023-08-31 • Largest payer in this snapshot: ABBVIE INC. ($21).
Total Amount
$21
General + Research + Ownership
Payments
1
Total payment records
General Amount
$21
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $21 |
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: 2017-04-20
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 |
|---|---|---|---|---|
| I20170420000870 | I | Nurse Practitioner | MO | 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 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| - | IL | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| Physical Medicine And Rehabilitation | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO |
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