Symeon Zannikos, M.D.
NPI 1649433665 · Orthopaedic Surgery Physician · Natick, MA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Symeon Zannikos, M.D. is a Orthopaedic Surgery Physician provider in Natick, MA (NPI 1649433665).
Provider details
- NPI number
- 1649433665
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 236558 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,069 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 710 | $99 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 352 | $46 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 180 | $59 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 172 | $121 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 90 | $263 |
| X-Ray of Upper Spine, 2-3 Views72040 | 78 | $45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 265 | 85 |
| Celecoxib | 222 | 53 |
| Gabapentin | 106 | 37 |
| Prednisone | 102 | 75 |
| Tizanidine Hcl | 91 | 29 |
| Meloxicam | 67 | 15 |
| Oxycodone Hcl | 42 | 21 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$560 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-09
- Last updated
- 2014-09-15
Frequently asked questions
- What is Symeon Zannikos's NPI number?
- Symeon Zannikos's National Provider Identifier (NPI) is 1649433665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Symeon Zannikos's specialty?
- Symeon Zannikos is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Symeon Zannikos located?
- Symeon Zannikos's practice location on file with NPPES is 313 Speen St, Natick, MA 01760-1538.
- What is Symeon Zannikos's phone number?
- The practice phone number listed in the NPPES registry for Symeon Zannikos is (508) 655-0471.
- Does Symeon Zannikos accept Medicare?
- Symeon Zannikos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Symeon Zannikos's NPI active?
- Yes — Symeon Zannikos's NPI (1649433665) is active in the NPPES registry as of the last update on 2014-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.