Elizabeth E. Obrien, M.D.
NPI 1881650570ActiveIndividual· Internal Medicine· Carlinville, IL
Internal Medicine (M.D.) in Carlinville, Illinois, trained at Southern Illinois University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $934,403 for 18,110 claims, against $5,560 paid for services in 2024.
Overview
| NPI | 1881650570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 22, 2006 |
| Last updated in NPPES | May 21, 2020 |
| Certified by provider | May 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036121379 | IL |
| Internal Medicine | 207R00000X | 41416-020 | WI |
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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 571 across 12 procedure codes |
| Paid by Medicare | $5,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,110 · 31,007 30-day fills |
|---|---|
| Patients | 752 |
| Total drug cost | $934,403 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
Medical group
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Carlinville Area HospitalCarlinville, IL
- Memorial Medical CenterSpringfield, IL
- St Francis HospitalLitchfield, IL
Other facilities
- Advanced Healthcare Services, LLCHome health agency · Springfield, IL
- Elara Caring VHome health agency · Springfield, IL
- Hshs Home Care IllinoisHome health agency · Effingham, IL
- Residential Home Health of Southern IllinoisHome health agency · Glen Carbon, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Carlinville
- 1518285295
- 1801096730
- 1861598534