MR. MARK ANDREW FERGUS (APNP) – Family Nurse Practitioner, NPI 1972836633
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,033 NURSE PRACTITIONER in WI
Provider Addresses for MR. MARK ANDREW FERGUS (APNP)
555 REDBIRD CIR STE 300
DE PERE, WI 541157980
Phone: (920) 338-6870
Fax: (920) 338-6829
Type: Location
815 Jefferson St
Algoma, WI 542011733
Phone: (920) 487-4888
Type: Location
323 S 18TH AVE
STURGEON BAY, WI 542351401
Phone: (920) 746-0510
Type: Mailing
Smith Avenue, Oconto, Oconto County, Wisconsin, 54153, United States
OCONTO, WI 541531080
Phone: (920) 496-4700
Type: Mailing
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: 2009-10-14
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 |
|---|---|---|---|---|
| I20091014000018 | I | Nurse Practitioner | WI | 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 54115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Physical Therapist In Private Practice | WI | |
| - | WI | |
| - | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| Nurse Practitioner | WA | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Physical Therapist In Private Practice | WI |
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