Joel Lattin, D.O.
NPI 1437149895ActiveIndividual· Internal Medicine, Gastroenterology· Arlington Heights, IL
Internal Medicine, Gastroenterology (D.O.) in Arlington Heights, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1999). In 2024 Medicare paid $277,142 for 539 patients, and Part D covered 806 of their prescriptions, 71% of them generic. Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $2,177 in all, mostly food and beverage.
Overview
| NPI | 1437149895 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 26, 2005 |
| Last updated in NPPES | Feb 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036-113390 | 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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 539 |
|---|---|
| Services billed | 11,117 across 50 procedure codes |
| Paid by Medicare | $277,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 806 · 1,402 30-day fills |
|---|---|
| Patients | 387 |
| Total drug cost | $344,381 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Illinois Gastroenterology Group LLCArlington Heights, IL · 115 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$2,177 · 92 payments from 16 companies
- 2024$2,088 · 91 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $415.24 | 14 |
| Abbvie Inc. | $392.17 | 18 |
| Madrigal Pharmaceuticals | $220.10 | 7 |
| Pfizer Inc. | $198.36 | 11 |
| Ardelyx, Inc. | $156.12 | 6 |
What the 2025 payments were for
- Food and Beverage$2,126 · 91 payments
- Education$50.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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