David L. Kreitzman, M.D.
NPI 1427056605ActiveIndividual· Psychiatry & Neurology, Neurology· Commack, NY
Psychiatry & Neurology, Neurology (M.D.) with Good Samaritan Hospital Medical Center and 1 other group, practicing in Commack, New York. Their prescriptions cost Medicare Part D more than their services did: $3,236,432 for 5,065 claims, against $153,844 paid for services in 2024. Mdd US Operations, LLC was the largest of 6 companies reporting payments in 2025, $257,276 in all, mostly honoraria. Lists John T Mather Memorial Hospital of Port Jefferson and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1427056605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 12, 2005 |
| Last updated in NPPES | Apr 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 228009 | NY |
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 - Neurology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 474 |
|---|---|
| Services billed | 1,920 across 12 procedure codes |
| Paid by Medicare | $153,844 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,065 · 9,336 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $3,236,432 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Neurology |
Medical groups
- Good Samaritan Hospital Medical CenterWest Islip, NY · 165 clinicians
- St Charles Hospital CorpPort Jefferson, NY · 58 clinicians
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- St Charles HospitalPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$257,276 · 215 payments from 6 companies
- 2024$191,306 · 161 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mdd US Operations, LLC | $74,273 | 66 |
| Acadia Pharmaceuticals Inc | $72,096 | 67 |
| Amneal Pharmaceuticals LLC | $61,311 | 43 |
| Neurocrine Biosciences, Inc. | $49,430 | 36 |
| Medtronic, Inc. | $142.08 | 2 |
What the 2025 payments were for
- Honoraria$116,174 · 40 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$94,305 · 24 payments
- Travel and Lodging$24,320 · 90 payments
- Consulting Fee$17,600 · 4 payments
- Food and Beverage$3,670 · 56 payments
- Education$1,206 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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