Alla Khalfin, D.O.
NPI 1528259843ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Syosset, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) in Syosset, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $2,506,856 for 4,279 claims, against $358,862 paid for services in 2024. Amgen Inc. was the largest of 30 companies reporting payments in 2025, $3,499 in all, mostly food and beverage.
Overview
| NPI | 1528259843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2007 |
| Last updated in NPPES | Nov 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 239938 | 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 | 798 |
|---|---|
| Services billed | 11,285 across 24 procedure codes |
| Paid by Medicare | $358,862 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,279 · 10,704 30-day fills |
|---|---|
| Patients | 465 |
| Total drug cost | $2,506,856 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- North Shore University HospitalManhasset, NY
- Northwell Hospital Glen CoveGlen Cove, NY
Industry payments (Open Payments)
- 2025$3,499 · 149 payments from 30 companies
- 2024$9,221 · 161 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $659.22 | 29 |
| Novo Nordisk Inc | $361.09 | 15 |
| Xeris Pharmaceuticals, Inc. | $344.37 | 16 |
| Dexcom, Inc. | $234.20 | 12 |
| Amneal Pharmaceuticals LLC | $189.92 | 7 |
What the 2025 payments were for
- Food and Beverage$3,475 · 148 payments
- Education$24.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Syosset
- 1194135483
- 1093076606
- 1881640191
- 1831117399
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in New York →