John Joseph Knightly, MD
NPI 1912964008ActiveIndividual· Neurological Surgery· Morristown, NJ
Neurological Surgery (MD) in Morristown, New Jersey, trained at Rutgers New Jersey Medical School (class of 1985). 326 Medicare patients in 2024, $201,728 paid; all of their 374 Part D prescriptions were generic. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $2,816 in all, mostly food and beverage.
Overview
| NPI | 1912964008 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Dec 4, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 62949 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 326 |
|---|---|
| Services billed | 663 across 38 procedure codes |
| Paid by Medicare | $201,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 374 · 401 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $2,617 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Maxim Brain and SpineCedar Knolls, NJ · 19 clinicians
Hospital affiliations
- Hunterdon Medical CenterFlemington, NJ
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Overlook Medical CenterSummit, NJ
- Robert Wood Johnson University Hospital - SomersetSomerville, NJ
Other facilities
- Atlantic Visiting NurseHome health agency · Morristown, NJ
- Kessler Rehab CenterInpatient rehabilitation facility · West Orange, NJ
Industry payments (Open Payments)
- 2025$2,816 · 17 payments from 6 companies
- 2024$575.71 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,283 | 8 |
| Alphatec Spine, Inc | $542.44 | 3 |
| Medtronic, Inc. | $510.23 | 3 |
| Depuy Synthes Sales Inc. | $208.45 | 1 |
| Vb Spine LLC | $142.04 | 1 |
What the 2025 payments were for
- Food and Beverage$1,831 · 13 payments
- Travel and Lodging$985.45 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 neurosurgeons in Morristown · All neurosurgeons in New Jersey