Julian Joseph Sonnenfeld, M.D.
NPI 1700273943ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Garden City, NY
Orthopaedic Surgery, Sports Medicine (M.D.) in Garden City, New York, trained at Tufts University School of Medicine (class of 2015). 315 Medicare patients in 2024, $195,933 paid; all of their 216 Part D prescriptions were generic. Arthrex, Inc. was the largest of 4 companies reporting payments in 2025, $3,149 in all, mostly travel and lodging.
Overview
| NPI | 1700273943 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2015 |
| Last updated in NPPES | Nov 2, 2026 |
| Certified by provider | Nov 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | 309553 | NY |
| Orthopaedic Surgery | 207X00000X | 309553 | NY |
| Orthopaedic Surgery | 207X00000X | 2020-00487 | NC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (NC); Practitioner - Orthopedic Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 315 |
|---|---|
| Services billed | 1,818 across 85 procedure codes |
| Paid by Medicare | $195,933 |
Part D prescriptions in 2024
| Prescriptions (claims) | 216 · 232 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $9,141 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- True North Medical Group PCCedarhurst, NY · 188 clinicians
Hospital affiliations
- North Shore University HospitalManhasset, NY
- St Charles HospitalPort Jefferson, NY
Industry payments (Open Payments)
- 2025$3,149 · 27 payments from 4 companies
- 2024$1,446 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $1,546 | 15 |
| Stryker Corporation | $1,182 | 8 |
| Polaris Technology Solutions LLC | $384.66 | 3 |
| Bioventus LLC | $35.65 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,657 · 7 payments
- Food and Beverage$1,492 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Sports Medicine providers in Garden City
- 1013181890
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- 1982993762
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- 1235372897
All Orthopaedic Surgery, Sports Medicine providers in New York →