Doctor profile · Federal record

Dr. Lawrence Barnes, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · O Fallon, IL

  • NPI 1184685174
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3 Saint Elizabeth Blvd
O Fallon, IL 622691281
(618) 641-5803
fax (618) 607-5116
Additional location
5031 N Illinois St
Fairview Heights, IL 622083453
(618) 212-6800
fax (618) 212-6820
Mailing address
5249 Saluki Dr
Fairview Heights, IL 622083923

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 11, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363AM0700X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184685174. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,210
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $76

In context: peer comparison

Among 2 peers in O Fallon Medical Physician Assistant, average services per provider: 225. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$372
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 8 $272.85
Janssen Scientific Affairs, LLC 1 $71.42
Lilly USA, LLC 1 $27.27

By nature of payment

Food and Beverage
$372

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
90
Total drug cost
$1,148
Drug Type Claims Patients Total cost
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 21 20 $324
Doxycycline Hyclate Generic 16 15 $326
Prednisone Generic 16 16 $32
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $140
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $264
Azithromycin Generic 12 12 $62

Frequently asked questions

Auto-generated from federal data
What is Dr. Lawrence Barnes's medical specialty?
Dr. Lawrence Barnes practices Medical Physician Assistant in O Fallon, IL.
Where does Dr. Lawrence Barnes practice?
Dr. Lawrence Barnes practices at 3 Saint Elizabeth Blvd, O Fallon, IL 622691281. Office phone: 6186415803.
What is Dr. Lawrence Barnes's NPI?
Dr. Lawrence Barnes's National Provider Identifier (NPI) is 1184685174, issued by NPPES.
Does Dr. Lawrence Barnes accept Medicare assignment?
Yes. Dr. Lawrence Barnes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Barnes commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.