Kay K. Win, M.D.
NPI 1669805784ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Philadelphia, PA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Einstein Practice Plan Inc, practicing in Philadelphia, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $1,597,246 for 3,573 claims, against $45,028 paid for services in 2024. Novo Nordisk Inc was the largest of 25 companies reporting payments in 2025, $2,575 in all, mostly food and beverage. Lists Hospital of Univ of Pennsylvania and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669805784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 12, 2013 |
| Last updated in NPPES | Aug 15, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD463948 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 210156 | 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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 269 |
|---|---|
| Services billed | 767 across 10 procedure codes |
| Paid by Medicare | $45,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,573 · 7,071 30-day fills |
|---|---|
| Patients | 445 |
| Total drug cost | $1,597,246 |
| Generic share | 40% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Einstein Practice Plan IncElkins Park, PA · 794 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$2,575 · 112 payments from 25 companies
- 2024$2,099 · 98 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $431.59 | 14 |
| Lilly USA, LLC | $302.66 | 13 |
| Amgen Inc. | $251.90 | 16 |
| Corcept Therapeutics | $209.91 | 9 |
| Amphastar Pharmaceuticals, Inc. | $202.35 | 9 |
What the 2025 payments were for
- Food and Beverage$2,571 · 111 payments
- Education$4.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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