DR. SYMEON VASILIOS ZANNIKOS (M.D.) – Orthopaedic Surgery Physician, NPI 1649433665
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
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Provider Addresses for DR. SYMEON VASILIOS ZANNIKOS (M.D.)
313, Speen Street, Natick, Middlesex County, Massachusetts, 01760, United States
NATICK, MA 017601538
Phone: (508) 655-0471
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 7 Open Payments records for all available years, with a total value of $594.
Total Amount is formed as General ($594) + Research ($0) + Ownership ($0) = $594.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Highridge Medical LLC ($479).
Total Amount
$594
General + Research + Ownership
Payments
7
Total payment records
General Amount
$594
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Highridge Medical LLC | $479 |
| PFIZER INC. | $99 |
| Curonix LLC | $15 |
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: 2013-08-14
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 |
|---|---|---|---|---|
| I20130814000570 | I | Orthopedic Surgery | MA | 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 | 838 | 456 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 534 | 201 | $0 |
| 72110 | X-ray of lower and sacral spine, minimum of 4 views | 312 | 226 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 226 | 226 | $0 |
| 72040 | X-ray of upper spine, 2-3 views | 111 | 48 | $0 |
Insurance plans in this area (ZIP 01760)
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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 | 25 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Physical Therapist In Private Practice | MA |
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