DR. CATHERINE ANN MILLER-SIMINGTON (M.D.) – Neurological Surgery Physician, NPI 1114244720
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
181 NEUROSURGERY in MN
Provider Addresses for DR. CATHERINE ANN MILLER-SIMINGTON (M.D.)
420 DELAWARE ST SE
MMC 96, D429 MAYO MEMORIAL BUILDING
MINNEAPOLIS, MN 554550341
Phone: (612) 624-6666
Fax: (612) 624-0644
Type: Mailing
1500 DELHI ST STE 4300
DUBUQUE, IA 520016319
Phone: (563) 557-5971
Fax: (563) 557-5973
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $451.
Total Amount is formed as General ($451) + Research ($0) + Ownership ($0) = $451.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Medtronic, Inc. ($233).
Total Amount
$451
General + Research + Ownership
Payments
21
Total payment records
General Amount
$451
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $233 |
| Globus Medical, Inc. | $57 |
| SI-BONE, INC. | $48 |
| Nevro Corp. | $30 |
| 180 Medical, Inc. | $26 |
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: 2022-09-20
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 |
|---|---|---|---|---|
| I20170725004126 | I | Neurosurgery | CA | TBD |
| I20220920001914 | I | Neurosurgery | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 111 | 52 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 43 | 32 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 39 | 39 | $0 |
Insurance plans in this area (ZIP 55455)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H O S P I T A L I S T | IA | |
| Physical Therapist In Private Practice | NE | |
| - | WI | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IA | |
| Hospitalist, Internal Medicine | LA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | WI | |
| N E U R O L O G Y | IA | |
| H O S P I T A L I S T | IA | |
| Physical Therapist In Private Practice | IA |
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