MRS. ANNA M ZWIEFEL (CNP) – Family Medicine Physician, NPI 1225679780
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,529 NURSE PRACTITIONER in IA
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Provider Addresses for MRS. ANNA M ZWIEFEL (CNP)
Palo Alto County Hospital, 3201, 1st Street, Emmetsburg, Palo Alto County, Iowa, 50536, United States
EMMETSBURG, IA 505362516
Phone: (712) 852-5500
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 57 Open Payments records for all available years, with a total value of $1,007.
Total Amount is formed as General ($1,007) + Research ($0) + Ownership ($0) = $1,007.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Lilly USA, LLC ($276).
Total Amount
$1,007
General + Research + Ownership
Payments
57
Total payment records
General Amount
$1,007
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $276 |
| Mylan Specialty L.P. | $209 |
| E.R. Squibb & Sons, L.L.C. | $169 |
| Novo Nordisk Inc | $137 |
| Phathom Pharmaceuticals, Inc. | $39 |
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: 2019-11-06
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 |
|---|---|---|---|---|
| I20191106003117 | I | Nurse Practitioner | IA | 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 50536)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IA | |
| Nurse Practitioner | IA | |
| Clinical Social Worker | IA | |
| Nurse Practitioner | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| - | IA | |
| Physician Assistant | IA | |
| Family Practice | IA | |
| Family Practice | IA |
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