Lennard Joel Kessler, MD
Opted out of Medicare from May 2026 to May 2028. Obstetrics & Gynecology (MD) in Santa Monica, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $54,421 for 593 claims, against $11,303 paid for services in 2024. Sage Therapeutics, LLC was the largest of 5 companies reporting payments in 2025, $224.77 in all, mostly food and beverage. Lists Saint John's Health Center as a hospital affiliation.
Overview
| NPI | 1194733014 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Feb 20, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A35133 | CA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out May 26, 2026 – May 26, 2028 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 160 across 12 procedure codes |
| Paid by Medicare | $11,303 |
Part D prescriptions in 2024
| Prescriptions (claims) | 593 · 900 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $54,421 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliation
- Saint John's Health CenterSanta Monica, CA
Industry payments (Open Payments)
- 2025$224.77 · 11 payments from 5 companies
- 2024$315.05 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $114.41 | 5 |
| Mayne Pharma Commercial LLC | $52.86 | 3 |
| Supernus Pharmaceuticals, Inc. | $20.83 | 1 |
| Exact Sciences Corporation | $18.38 | 1 |
| Millicent US Inc | $18.29 | 1 |
What the 2025 payments were for
- Food and Beverage$224.77 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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