DR. SIMON CHAO (MD) – Orthopaedic Surgery Physician, NPI 1144481532
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
Provider Addresses for DR. SIMON CHAO (MD)
15 ROCHE BROS WAY
ORTHOPEDIC CARE SPECIALISTS, INC
NORTH EASTON, MA 020720030
Phone: (781) 344-3535
Fax: (308) 535-0192
Type: Location
Stoughton, Norfolk County, Massachusetts, 03072, United States
ORTHOPEDIC CARE SPECIALISTS, INC
STOUGHTON, MA 020720030
Phone: (781) 344-3535
Fax: (308) 535-0192
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 126 Open Payments records for all available years, with a total value of $388,167.
Total Amount is formed as General ($388,167) + Research ($0) + Ownership ($0) = $388,167.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Republic Spine ($242,716).
Total Amount
$388,167
General + Research + Ownership
Payments
126
Total payment records
General Amount
$388,167
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Republic Spine | $242,716 |
| Life Spine, Inc. | $50,567 |
| SurGenTec | $37,288 |
| Osseus Fusion Systems, LLC | $19,080 |
| Captiva Spine Inc | $15,775 |
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: 2024-01-18
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 |
|---|---|---|---|---|
| I20090805000544 | I | Orthopedic Surgery | MA | TBD |
| I20240118000180 | I | Orthopedic Surgery | RI | 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 | 536 | 371 | $0 |
| 72170 | X-ray of pelvis, 1-2 views | 516 | 445 | $0 |
| 72110 | X-ray of lower and sacral spine, minimum of 4 views | 486 | 466 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 370 | 20 | $0 |
| 72050 | X-ray of upper spine, 4-5 views | 246 | 206 | $0 |
Insurance plans in this area (ZIP 02072)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | MA | 20610 | Aspiration and/or injection of large joint or joint capsule | 102 | 70 |
| ORTHOPEDIC SURGERY | MA | 22842 | Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments | 24 | 24 |
| ORTHOPEDIC SURGERY | MA | 63048 | Partial removal of spine bone with release of spinal cord and/or nerves | 32 | 21 |
| ORTHOPEDIC SURGERY | MA | 73562 | X-ray of knee, 3 views | 34 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Occupational Therapist In Private Practice | MA | |
| Physical Medicine And Rehabilitation | MA | |
| Hand Surgery, Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| - | MA | |
| Anesthesiology, Pain Management | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA |
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