Walter J. Whang, MD
NPI 1245217942ActiveIndividual· Psychiatry & Neurology, Psychiatry· Woodridge, IL
Psychiatry & Neurology, Psychiatry (MD) in Woodridge, Illinois, trained at Northeastern Ohio University College of Medicine (class of 1988). 127 Medicare patients in 2024, $50,159 paid; nearly all of their 1,334 Part D prescriptions were generic (98%).
Overview
| NPI | 1245217942 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | Mar 10, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036081028 | IL |
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 - Psychiatry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 608 across 15 procedure codes |
| Paid by Medicare | $50,159 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,334 · 2,145 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $27,903 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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