Katherine K. Katsoyannis, M.D.
NPI 1023123015ActiveIndividual· Specialist· Park Ridge, IL
Specialist (M.D.) in Park Ridge, Illinois, trained at Icahn School of Medicine at Mount Sinai (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $2,841,064 for 48,629 claims, against $161,472 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2024, $272.66 in all, mostly food and beverage.
Overview
| NPI | 1023123015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Dec 18, 2021 |
| Certified by provider | Dec 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 036096130 | IL |
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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 2,106 across 47 procedure codes |
| Paid by Medicare | $161,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 48,629 · 53,031 30-day fills |
|---|---|
| Patients | 1,278 |
| Total drug cost | $2,841,064 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- Geri Care LtdDes Plaines, IL · 12 clinicians
Hospital affiliations
- Advocate Lutheran General HospitalPark Ridge, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Elite Home Health Care, IncHome health agency · Northbrook, IL
- Guardian Home Health Care, LLCHome health agency · Northfield, IL
- Luxe Home HealthHome health agency · Des Plaines, IL
- Northwest Home Health & RehabHome health agency · Lake In The Hills, IL
- Accord HospiceHospice · Deerfield, IL
- Guardian Healthcare & Hospice, LLCHospice · Northfield, IL
- Lighthouse Hospice Care LLCHospice · Naperville, IL
- Suncrest Hospice Illinois LLCHospice · Northbrook, IL
- V Care Hospice Services of IllinoisHospice · Northbrook, IL
- Alden Des Plaines Rehab & HcNursing home · Des Plaines, IL
- Bella Terra Morton GroveNursing home · Morton Grove, IL
- Elevate Care AbingtonNursing home · Glenview, IL
- Greek American Rehab Care CtrNursing home · Wheeling, IL
- Lee ManorNursing home · Des Plaines, IL
Industry payments (Open Payments)
- 2024$272.66 · 8 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $166.28 | 4 |
| Novo Nordisk Inc | $80.74 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $25.64 | 1 |
What the 2024 payments were for
- Food and Beverage$208.12 · 6 payments
- Education$64.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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