Siu-Ling Ma, M.D.
NPI 1538336268ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fresh Meadows, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Fresh Meadows, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,984,690 for 3,755 claims, against $99,024 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $108.08 in all, mostly food and beverage.
Overview
| NPI | 1538336268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2008 |
| Last updated in NPPES | Jun 10, 2024 |
| Certified by provider | Jun 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 252130 | 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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 2,693 across 19 procedure codes |
| Paid by Medicare | $99,024 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,755 · 8,854 30-day fills |
|---|---|
| Patients | 524 |
| Total drug cost | $1,984,690 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- New York Queens Medicine and Surgery, P.C.Whitestone, NY · 401 clinicians
Hospital affiliation
- New York-Presbyterian/QueensFlushing, NY
Industry payments (Open Payments)
- 2025$108.08 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $52.90 | 2 |
| Lilly USA, LLC | $30.92 | 1 |
| Amgen Inc. | $24.26 | 1 |
What the 2025 payments were for
- Food and Beverage$83.82 · 3 payments
- Education$24.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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