RICHARD L ILLGEN (MD) – Orthopaedic Surgery Physician, NPI 1255395976
Orthopaedic Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
628 ORTHOPEDIC SURGERY in WI
Provider Addresses for RICHARD L ILLGEN (MD)
1211 Fish Hatchery Rd
Madison, WI 537151909
Phone: (608) 252-8000
Fax: (608) 288-6490
Type: Location
UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
MIDDLETON, WI 535625531
Phone: (608) 829-5485
Type: Mailing
University Hospital Outpatient Pharmacy, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53705-2221, United States
MADISON, WI 53792
Phone: (608) 263-7540
Fax: (608) 265-6526
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 324 Open Payments records for all available years, with a total value of $1,865,833.
Total Amount is formed as General ($1,865,833) + Research ($0) + Ownership ($0) = $1,865,833.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Stryker Corporation ($1,863,708).
Total Amount
$1,865,833
General + Research + Ownership
Payments
324
Total payment records
General Amount
$1,865,833
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $1,863,708 |
| HERAEUS MEDICAL, LLC. | $2,125 |
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: 2010-04-28
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20100428000127 | I | Orthopedic Surgery | 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.
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 | 168 | 155 | $0 |
| 27447 | Replacement of knee joint, both sides of knee | 138 | 127 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 130 | 130 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 82 | 80 | $0 |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | 68 | 64 | $0 |
Insurance plans in this area (ZIP 53715)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | WI | 27447 | Repair of knee joint | 90 | 87 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Endocrinology, Internal Medicine | WI | |
| Medical Oncology, Hematology/Oncology | CA |
Reviews
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