WILLIAM FEINSTEIN (M.D.) – Orthopaedic Hand Surgery Physician, NPI 1144373341
Orthopaedic Hand Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
802 ORTHOPEDIC SURGERY in MO
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Provider Addresses for WILLIAM FEINSTEIN (M.D.)
1050, Old Des Peres Road, Des Peres, Saint Louis County, Missouri, 63131, United States
SUITE 100
SAINT LOUIS, MO 631311873
Phone: (314) 569-0612
Fax: (314) 569-0618
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $2,241.
Total Amount is formed as General ($2,241) + Research ($0) + Ownership ($0) = $2,241.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Sonex Health, Inc. ($1,986).
Total Amount
$2,241
General + Research + Ownership
Payments
28
Total payment records
General Amount
$2,241
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sonex Health, Inc. | $1,986 |
| ACUMED LLC | $95 |
| Elite Orthopedics, Llc | $36 |
| DePuy Synthes Sales Inc. | $36 |
| VERTEX PHARMACEUTICALS INCORPORATED | $24 |
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: 2021-03-22
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 |
|---|---|---|---|---|
| I20100222000398 | I | Orthopedic Surgery | MO | TBD |
| I20210322001405 | 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 |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 192 | 119 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 125 | 101 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 88 | 82 | $0 |
| 20550 | Injection into tendon or ligament | 84 | 68 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 82 | 82 | $0 |
Insurance plans in this area (ZIP 63131)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MO | |
| Family Practice | MO | |
| Osteopathic Manipulative Medicine | MO | |
| A N E S T H E S I O L O G Y | MO | |
| Internal Medicine, Allergy/Immunology, Allergy/Immunology | MO | |
| Internal Medicine | MO | |
| Family Practice | MO | |
| Orthopedic Surgery | MO | |
| General Surgery | MO | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MO |
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