Evan Z. Lang, MD
NPI 1639163033ActiveIndividual· Internal Medicine, Hematology & Oncology· Hamilton, OH
Internal Medicine, Hematology & Oncology (MD) with Oncology Hematology Care Inc, practicing in Hamilton, Ohio. Their prescriptions cost Medicare Part D more than their services did: $6,391,561 for 2,754 claims, against $3,170,546 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 29 companies reporting payments in 2025, $4,844 in all, mostly consulting fees. Lists Fort Hamilton Hughes Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639163033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Apr 19, 2021 |
| Certified by provider | Apr 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 35072598 | OH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 36755 | KY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 01062629A | IN |
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 - Medical Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 609 |
|---|---|
| Services billed | 150,324 across 148 procedure codes |
| Paid by Medicare | $3,170,546 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,754 · 4,124 30-day fills |
|---|---|
| Patients | 421 |
| Total drug cost | $6,391,561 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Oncology Hematology Care IncCincinnati, OH · 63 clinicians
Hospital affiliations
- Fort Hamilton Hughes Memorial HospitalHamilton, OH
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health - West HospitalCincinnati, OH
- Mercy Health Kings Mills Hospital LLCMason, OH
- The Jewish Hospital-Mercy HealthCincinnati, OH
Industry payments (Open Payments)
- 2025$4,844 · 59 payments from 29 companies
- 2024$6,353 · 36 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,799 | 7 |
| Springworks Therapeutics, Inc. | $1,765 | 2 |
| Abbvie Inc. | $115.51 | 4 |
| Novartis Pharmaceuticals Corporation | $112.24 | 5 |
| Janssen Biotech, Inc. | $111.04 | 2 |
What the 2025 payments were for
- Consulting Fee$3,425 · 2 payments
- Food and Beverage$1,210 · 53 payments
- Education$209.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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