Syed Ommar Hassan, MD
Family Medicine (MD) with Mercy Health System Corporation, practicing in McHenry, Illinois. Their prescriptions cost Medicare Part D more than their services did: $518,705 for 6,189 claims, against $197,150 paid for services in 2024. Lists Advocate Good Shepherd Hospital and 4 other hospitals as hospital affiliations. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1063637544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2007 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036133790 | IL |
| Family Medicine, Geriatric Medicine | 207QG0300X | 036133790 | IL |
| Family Medicine | 207Q00000X | 57012414 | OH |
| Clinic/Center, Urgent Care | 261QU0200X | 036133790 | IL |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Illinois, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Syed Riazul Hassan · No Known Affiliation | 1128a1 | Aug 20, 2013 | Chicago, IL |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 461 |
|---|---|
| Services billed | 3,915 across 61 procedure codes |
| Paid by Medicare | $197,150 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,189 · 16,207 30-day fills |
|---|---|
| Patients | 592 |
| Total drug cost | $518,705 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Mercy Harvard HospitalHarvard, IL
- Mercy Health System CorpJanesville, WI
- Mercyhealth Hospital & Physician Clinic-Crystal laCrystal Lake, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Amedisys Home HealthHome health agency · Lake Zurich, IL
- Assure Home Healthcare, IncHome health agency · Libertyville, IL
- Elara Caring IxHome health agency · Huntley, IL
- Empower Home Health ServicesHome health agency · West Dundee, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in McHenry
- 1588760458
- 1194270926
- 1225122344
- 1699860635
- 1881893303
- 1770541369
- 1568490977
- 1508093527
- 1710052980
- 1518902527
- 1306846670
- 1043906969