Behfar Dianati, M.D.
NPI 1558580852ActiveIndividual· Hospitalist· Belleville, IL
Hospitalist (M.D.) with Cep America-Illinois Hospitalists, LLP and 1 other group, practicing in Belleville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $948,335 for 11,766 claims, against $122,867 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $43.25 in payments in 2025, mostly education. Lists Alton Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1558580852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2007 |
| Last updated in NPPES | May 27, 2025 |
| Certified by provider | May 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 2007018749 | MO |
| Internal Medicine | 207R00000X | 036124202 | IL |
| Hospitalist | 208M00000X | 036124202 | 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 - Hospitalist (CA); Practitioner - Internal Medicine (IL); Practitioner - Hospitalist (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 373 |
|---|---|
| Services billed | 1,273 across 20 procedure codes |
| Paid by Medicare | $122,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,766 · 12,333 30-day fills |
|---|---|
| Patients | 561 |
| Total drug cost | $948,335 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Cep America-Illinois Hospitalists, LLPAlton, IL · 196 clinicians
- Cep America - Illinois Snf LLPShiloh, IL · 8 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Christian Hospital NortheastSaint Louis, MO
- Osf Saint Anthony's Health CenterAlton, IL
- Ssm Health Saint Louis University HospitalSaint Louis, MO
Other facilities
- Bjc HospiceHospice · Glen Carbon, IL
- Alton Memorial Rehab & TherapyNursing home · Alton, IL
- La Bella of AltonNursing home · Alton, IL
- La Bella of EdwardsvilleNursing home · Edwardsville, IL
Industry payments (Open Payments)
- 2025$43.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
What the 2025 payments were for
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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