WILLIAM MOSENTHAL (M.D.) – Orthopaedic Surgery Physician, NPI 1023499480
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,265 ORTHOPEDIC SURGERY in IL
Provider Addresses for WILLIAM MOSENTHAL (M.D.)
5841 S MARYLAND AVE # MC3079
CHICAGO, IL 606371447
Phone: (773) 834-3531
Type: Mailing
400 S KENNEDY DR STE 100
BRADLEY, IL 609152685
Phone: (815) 928-8050
Fax: (815) 928-8932
Type: Location
6712 N CONVENT ST
BOURBONNAIS, IL 609141528
Phone: (815) 928-8050
Fax: (815) 928-8932
Type: Location
900 RAND RD STE 300
DES PLAINES, IL 600162359
Phone: (847) 324-3976
Fax: (847) 929-1154
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 41 Open Payments records for all available years, with a total value of $8,404.
Total Amount is formed as General ($8,404) + Research ($0) + Ownership ($0) = $8,404.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: Alphatec Spine, Inc ($2,245).
Total Amount
$8,404
General + Research + Ownership
Payments
41
Total payment records
General Amount
$8,404
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alphatec Spine, Inc | $2,245 |
| Arthrex, Inc. | $1,986 |
| Clariance, Inc. | $1,642 |
| Baxter Healthcare | $1,500 |
| Medwest Associates | $639 |
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: 2021-10-07
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 |
|---|---|---|---|---|
| I20211007003467 | I | Orthopedic Surgery | 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 | 260 | 180 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 190 | 184 | $0 |
| 72120 | X-ray lower and sacral spine, 2-3 views bending views | 124 | 120 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 83 | 83 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 81 | 81 | $0 |
Insurance plans in this area (ZIP 60637)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | IL | |
| Sports Medicine, Orthopedic Surgery | IL | |
| Physician Assistant | IL | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Physician Assistant | IL | |
| Orthopedic Surgery | IL | |
| Physician Assistant | IL | |
| Physician Assistant | IL | |
| Physician Assistant | IL |
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