NATALIE L. SEIBERT (P.A.) – Physician Assistant, NPI 1053658237
Physician Assistant
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,678 PHYSICIAN ASSISTANT in WI
Provider Addresses for NATALIE L. SEIBERT (P.A.)
515 22ND AVE
MONROE, WI 535661569
Phone: (405) 749-7099
Fax: (405) 341-3795
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: 2018-11-07
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 |
|---|---|---|---|---|
| I20170511002489 | I | Physician Assistant | WI | TBD |
| I20181107002432 | I | Physician Assistant | 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.
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 | 93 | 89 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 60 | 60 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 42 | 41 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 26 | 26 | $0 |
Insurance plans in this area (ZIP 53566)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Clinical Psychologist | WI | |
| - | WI | |
| P A T H O L O G Y | IL | |
| - | LA | |
| Emergency Medicine | WI | |
| A N E S T H E S I O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| Nurse Practitioner | WI |
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