Allan Ruby, M.D.
NPI 1285691709ActiveIndividual· Obstetrics & Gynecology· Hazel Crest, IL
Obstetrics & Gynecology (M.D.) in Hazel Crest, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $21,388 for 297 claims, against $4,352 paid for services in 2024. Millicent US Inc was the largest of 18 companies reporting payments in 2025, $1,140 in all, mostly food and beverage.
Overview
| NPI | 1285691709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Feb 27, 2023 |
| Certified by provider | Feb 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036086659 | 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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 72 across 15 procedure codes |
| Paid by Medicare | $4,352 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 447 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $21,388 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliation
- Advocate Trinity HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,140 · 50 payments from 18 companies
- 2024$1,699 · 45 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Millicent US Inc | $191.46 | 10 |
| Hologic Sales and Service, LLC | $179.20 | 3 |
| Mayne Pharma Commercial LLC | $105.11 | 4 |
| Organon LLC | $90.32 | 4 |
| Sumitomo Pharma America, Inc. | $85.29 | 4 |
What the 2025 payments were for
- Food and Beverage$1,140 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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