DR. RANDALL J BREMNER (M.D.) – Obstetrics & Gynecology Physician, NPI 1003857657
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
797 OBSTETRICS/GYNECOLOGY in WI
Provider Addresses for DR. RANDALL J BREMNER (M.D.)
800 E Blackhawk Ave
Prairie Du Chien, WI 538211698
Phone: (608) 326-0808
Type: Location
Winneshiek Medical Center, 901, Montgomery Street, Decorah, Winneshiek County, Iowa, 52101, United States
DECORAH, IA 521012325
Phone: (563) 382-2911
Fax: (563) 387-3102
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: 2024-03-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 7 Medicare enrollment records; no due dates published yet.
Enrollment records
7
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 |
|---|---|---|---|---|
| I20100604000731 | I | Obstetrics/Gynecology | IA | TBD |
| I20140109000138 | I | Obstetrics/Gynecology | WI | TBD |
| I20230126001201 | I | Obstetrics/Gynecology | AL | TBD |
| I20230515003434 | I | Obstetrics/Gynecology | WA | TBD |
| I20231110000708 | I | Obstetrics/Gynecology | IL | TBD |
| I20240111004233 | I | Obstetrics/Gynecology | IN | TBD |
| I20240323000533 | I | Obstetrics/Gynecology | TX | 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 53821)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | WI | |
| Nurse Practitioner | IA | |
| Certified Nurse Midwife (Cnm) | IA | |
| Certified Nurse Midwife (Cnm) | IA | |
| Family Practice | CO | |
| Mental Health Counselor | MN | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | MN |
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