MRS. MARY B ERNST (FNP) – Nurse Practitioner, NPI 1487694659
Nurse Practitioner
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
7,017 NURSE PRACTITIONER in MO
Provider Addresses for MRS. MARY B ERNST (FNP)
1520 Wentzville Pkwy
Wentzville, MO 633853408
Phone: (636) 497-4060
Type: Location
107, Piper Hill Drive, Saint Peters, Saint Charles County, Missouri, 63376, United States
SAINT PETERS, MO 633761620
Phone: (636) 477-8757
Fax: (314) 219-6241
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 $36.
Total Amount is formed as General ($36) + Research ($0) + Ownership ($0) = $36.
Last reported payment date: 2023-11-17 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($21).
Total Amount
$36
General + Research + Ownership
Payments
2
Total payment records
General Amount
$36
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $21 |
| Novartis Pharmaceuticals Corporation | $16 |
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: 2004-02-17
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 |
|---|---|---|---|---|
| I20040217001161 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 87 | 85 | $0 |
| 81002 | Urinalysis, manual test | 12 | 12 | $0 |
| 87428 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 12 | 12 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 11 | 11 | $0 |
Insurance plans in this area (ZIP 63385)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| - | MO | |
| Family Practice | MO | |
| Hospitalist, Family Practice | MO | |
| Internal Medicine | MO | |
| - | MO | |
| Family Practice | MO | |
| Internal Medicine | IL | |
| Internal Medicine, Hospitalist | MO | |
| Nurse Practitioner | MO |
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