Haiyun Wang, MD
NPI 1679749121ActiveIndividual· Internal Medicine, Hematology & Oncology· York, PA
Internal Medicine, Hematology & Oncology (MD) with Wellspan Medical Group and 1 other group, practicing in York, Pennsylvania. In 2024 Medicare paid $4,468,634 for 909 patients, and Part D covered 1,216 of their prescriptions, 89% of them generic. Stemline Therapeutics Inc. was the largest of 7 companies reporting payments in 2025, $9,149 in all, mostly consulting fees. Lists Gettysburg Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1679749121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2008 |
| Last updated in NPPES | Apr 29, 2026 |
| Certified by provider | Apr 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD443199 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 909 |
|---|---|
| Services billed | 215,603 across 166 procedure codes |
| Paid by Medicare | $4,468,634 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,216 · 1,974 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $1,116,242 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Hematology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
- Cancer Care Associates of York, Inc.York, PA · 15 clinicians
Hospital affiliations
- Gettysburg HospitalGettysburg, PA
- Wellspan York HospitalYork, PA
Other facilities
- Amedisys Hospice of YorkHospice · York, PA
Industry payments (Open Payments)
- 2025$9,149 · 27 payments from 7 companies
- 2024$4,130 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stemline Therapeutics Inc. | $4,960 | 2 |
| Astrazeneca Pharmaceuticals LP | $3,695 | 13 |
| Abbvie Inc. | $157.88 | 7 |
| Tempus Ai, Inc | $107.10 | 1 |
| Genentech USA, Inc. | $106.90 | 2 |
What the 2025 payments were for
- Consulting Fee$8,310 · 4 payments
- Food and Beverage$635.66 · 20 payments
- Education$202.85 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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