Stacey L. McKelvey, MD
NPI 1164472312ActiveIndividual· Internal Medicine, Gastroenterology· Barrington, IL
Internal Medicine, Gastroenterology (MD) in Barrington, Illinois, trained at University of Nebraska College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,370,047 for 1,329 claims, against $81,772 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $3,381 in all, mostly food and beverage.
Overview
| NPI | 1164472312 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Mar 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 23379 | NE |
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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 385 |
|---|---|
| Services billed | 908 across 37 procedure codes |
| Paid by Medicare | $81,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,329 · 2,452 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $1,370,047 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- George N Atia MD SCBarrington, IL · 13 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Illinois Masonic Medical CenterChicago, IL
- Advocate Sherman HospitalElgin, IL
- Northwestern Medicine McHenryMcHenry, IL
- Presence Saint Joseph Hospital - ChicagoChicago, IL
Industry payments (Open Payments)
- 2025$3,381 · 155 payments from 19 companies
- 2024$3,358 · 168 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $872.45 | 35 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $311.67 | 18 |
| Madrigal Pharmaceuticals | $287.85 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $279.06 | 12 |
| Janssen Biotech, Inc. | $227.32 | 13 |
What the 2025 payments were for
- Food and Beverage$3,381 · 155 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Barrington
- 1770580029
- 1730214271