Lina Leykina, M.D.
NPI 1689817363ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Staten Island, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Amboy Medical Practice PC, practicing in Staten Island, New York. Their prescriptions cost Medicare Part D more than their services did: $2,817,056 for 5,866 claims, against $78,277 paid for services in 2024. Corcept Therapeutics was the largest of 29 companies reporting payments in 2025, $3,597 in all, mostly food and beverage. Lists Richmond University Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1689817363 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2009 |
| Last updated in NPPES | Jan 18, 2021 |
| Certified by provider | Jan 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 266375 | NY |
| Internal Medicine | 207R00000X | 266375 | 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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 433 |
|---|---|
| Services billed | 901 across 23 procedure codes |
| Paid by Medicare | $78,277 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,866 · 13,155 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $2,817,056 |
| Generic share | 43% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Amboy Medical Practice PCStaten Island, NY · 173 clinicians
Hospital affiliations
- Richmond University Medical CenterStaten Island, NY
- Staten Island University HospitalStaten Island, NY
Industry payments (Open Payments)
- 2025$3,597 · 78 payments from 29 companies
- 2024$2,181 · 110 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $1,458 | 2 |
| Abbott Laboratories | $324.47 | 6 |
| Novo Nordisk Inc | $277.51 | 13 |
| Medtronic, Inc. | $268.90 | 6 |
| Amgen Inc. | $200.33 | 4 |
What the 2025 payments were for
- Food and Beverage$2,162 · 77 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,435 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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