DR. STEPHEN CHARLES SIZER (D.O.) – Orthopaedic Surgery Physician, NPI 1023377751
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,620 ORTHOPEDIC SURGERY in PA
Provider Addresses for DR. STEPHEN CHARLES SIZER (D.O.)
4190 CITY AVE
PHILADELPHIA, PA 191311626
Phone: (215) 871-6693
Fax: (215) 871-6695
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 20 Open Payments records for all available years, with a total value of $1,071.
Total Amount is formed as General ($1,071) + Research ($0) + Ownership ($0) = $1,071.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Stryker Corporation ($589).
Total Amount
$1,071
General + Research + Ownership
Payments
20
Total payment records
General Amount
$1,071
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 |
|---|---|
| Stryker Corporation | $589 |
| ORTHALIGN INC | $274 |
| HERAEUS MEDICAL, LLC. | $67 |
| Bioventus LLC | $54 |
| Zimmer Biomet Holdings, Inc. | $49 |
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: 2018-10-24
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 |
|---|---|---|---|---|
| I20180917000048 | I | Orthopedic Surgery | NJ | TBD |
| I20181024000146 | I | Orthopedic Surgery | PA | 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 | 302 | 255 | $0 |
| 73562 | X-ray of knee, 3 views | 226 | 151 | $0 |
| 73502 | X-ray of hip, 2-3 views | 166 | 129 | $0 |
| 73501 | X-ray of hip, 1 view | 142 | 97 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 124 | 23 | $0 |
Insurance plans in this area (ZIP 19131)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | PA | |
| Physical Therapist In Private Practice | PA | |
| Hand Surgery | PA | |
| Physician Assistant | PA | |
| Physical Therapist In Private Practice | PA | |
| Sports Medicine, Family Practice | NJ | |
| - | PA | |
| - | PA | |
| Orthopedic Surgery | PA | |
| Orthopedic Surgery, Hand Surgery | PA |
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