Wei K. Kao, M.D.
NPI 1629295571ActiveIndividual· Internal Medicine· Ronkonkoma, NY
Internal Medicine (M.D.) with Preferred Professional Medical Care PC and 1 other group, practicing in Ronkonkoma, New York. Their prescriptions cost Medicare Part D more than their services did: $2,165,993 for 25,109 claims, against $200,356 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $2,016 in all, mostly food and beverage. Lists North Shore University Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1629295571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 20, 2007 |
| Last updated in NPPES | Sep 19, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 160056 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 887 |
|---|---|
| Services billed | 4,189 across 41 procedure codes |
| Paid by Medicare | $200,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25,109 · 38,253 30-day fills |
|---|---|
| Patients | 1,510 |
| Total drug cost | $2,165,993 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Preferred Professional Medical Care PCRonkonkoma, NY · 14 clinicians
- Home Medical Services PLLCRonkonkoma, NY · 3 clinicians
Hospital affiliations
- North Shore University HospitalManhasset, NY
- Peconic Bay Medical CenterRiverhead, NY
- St Catherine of Siena HospitalSmithtown, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Centerwell Home HealthHome health agency · Hauppauge, NY
- Constellation Home CareHome health agency · Syosset, NY
- Tender Loving Care, An Amedisys CompanyHome health agency · Medford, NY
- Vns & Hospice of Suffolk Inc ChhaHome health agency · Northport, NY
- East End Hospice, IncHospice · Westhampton Beach, NY
- Good Shepherd HospiceHospice · Farmingdale, NY
- Acadia Center for Nursing and RehabilitationNursing home · Riverhead, NY
- Daleview Care CenterNursing home · East Farmingdale, NY
- Medford Multicare Center for LivingNursing home · Medford, NY
- Oasis Rehabilitation and Nursing, LLCNursing home · Center Moriches, NY
- St Catherine of Siena Nursing and Rehabilitation CNursing home · Smithtown, NY
Industry payments (Open Payments)
- 2025$2,016 · 71 payments from 21 companies
- 2024$1,873 · 76 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $466.99 | 20 |
| Otsuka America Pharmaceutical, Inc. | $343.74 | 6 |
| Novo Nordisk Inc | $186.29 | 7 |
| Lilly USA, LLC | $160.71 | 6 |
| Medtronic, Inc. | $139.36 | 1 |
What the 2025 payments were for
- Food and Beverage$2,016 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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