Joseph Michael Lach, DO
NPI 1225379498ActiveIndividual· Family Medicine· Joliet, IL
Family Medicine (DO) in Joliet, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $669,800 for 7,021 claims, against $126,802 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $792.78 in all, mostly food and beverage.
Overview
| NPI | 1225379498 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 12, 2013 |
| Last updated in NPPES | Aug 6, 2021 |
| Certified by provider | Aug 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036138941 | 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 329 |
|---|---|
| Services billed | 6,876 across 73 procedure codes |
| Paid by Medicare | $126,802 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,021 · 15,937 30-day fills |
|---|---|
| Patients | 443 |
| Total drug cost | $669,800 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Family Practice |
Medical groups
- Health Service Systems, IncNew Lenox, IL · 68 clinicians
- Premier Suburban Medical Group, PLLCNew Lenox, IL · 29 clinicians
Hospital affiliations
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
- Palos Community HospitalPalos Heights, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Other facilities
- Dover Home Health Il Chicago Metro LLCHome health agency · Woodridge, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Newsome Home Health Care & Purpose Care of Illinois - JolietHome health agency · Joliet, IL
- Silver Cross Home HealthHome health agency · New Lenox, IL
Industry payments (Open Payments)
- 2025$792.78 · 45 payments from 11 companies
- 2024$519.25 · 29 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $222.05 | 12 |
| Lilly USA, LLC | $190.79 | 11 |
| Pfizer Inc. | $100.15 | 5 |
| Novo Nordisk Inc | $78.10 | 5 |
| Amgen Inc. | $56.42 | 3 |
What the 2025 payments were for
- Food and Beverage$792.78 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 family medicine physicians in Joliet · All family medicine physicians in Illinois