Jonathan Saul Lown, MD
NPI 1265538458ActiveIndividual· Internal Medicine· Commack, NY
Internal Medicine (MD) in Commack, New York, trained at State University of New York Downstate Medical Center (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $3,083,441 for 9,448 claims, against $393,047 paid for services in 2024. Jazz Pharmaceuticals Inc. was the largest of 43 companies reporting payments in 2025, $35,969 in all, mostly speaking and faculty fees.
Overview
| NPI | 1265538458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 15, 2006 |
| Last updated in NPPES | Feb 3, 2020 |
| Certified by provider | Feb 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 204673-1 | NY |
| Internal Medicine, Sleep Medicine | 207RS0012X | 204673 | NY |
| Durable Medical Equipment & Medical Supplies | 332B00000X | 204673 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 477 |
|---|---|
| Services billed | 15,657 across 109 procedure codes |
| Paid by Medicare | $393,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,448 · 18,413 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $3,083,441 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- North Shore University HospitalManhasset, NY
- St Catherine of Siena HospitalSmithtown, NY
- St Charles HospitalPort Jefferson, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Centerwell Home HealthHome health agency · Hauppauge, NY
- Vns & Hospice of Suffolk Inc ChhaHome health agency · Northport, NY
Industry payments (Open Payments)
- 2025$35,969 · 325 payments from 43 companies
- 2024$53,716 · 463 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $20,260 | 34 |
| Harmony Biosciences LLC | $10,883 | 45 |
| Amgen Inc. | $953.09 | 41 |
| Sumitomo Pharma America, Inc. | $440.95 | 23 |
| Axsome Therapeutics, Inc. | $375.33 | 19 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21,540 · 9 payments
- Food and Beverage$6,873 · 305 payments
- Travel and Lodging$5,789 · 7 payments
- Consulting Fee$1,720 · 3 payments
- Education$46.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Commack · All internal medicine physicians in New York