Quick answers
- Which hospitals does Lawrence J. Barnes work at?
- Medicare's official clinician data lists Lawrence J. Barnes at 1 hospital: HSHS St Elizabeth's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lawrence J. Barnes see patients?
- Medicare's clinician data lists 2 practice locations, including Ofallon, IL and Decatur, IL. Call before your visit to confirm the address.
- What is Lawrence J. Barnes's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Lawrence J. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence J. Barnes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Lawrence J. Barnes?
- (618) 624-5510, as listed in official Medicare / NPI Registry data.
- What is Lawrence J. Barnes's NPI number?
- 1184685174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lawrence J. Barnes works
Medicare's Facility Affiliation Data lists Lawrence J. Barnes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · CCN 140187
Practice locations
Addresses where Lawrence J. Barnes is enrolled with Medicare (CMS data updated 2026-10-02).
- 1512 N Green Mount Rd, Suite 108Ofallon, IL 62269 (618) 624‑5510
- 1900 E Lake Shore Dr, Suite 330Decatur, IL 62521 (217) 423‑2889
Group practices
Medicare enrollment lists Lawrence J. Barnes as a member of this group (CMS data updated 2026-10-02).
- HSHS Medical Group Inc219 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ofallon
Clinicians with the same Medicare primary specialty in Ofallon, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184685174 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians