Lawrence J. Barnes, PA-C
Medical Physician Assistant · O Fallon, IL
Lawrence J. Barnes, PA-C is a medical physician assistant with a practice address in O Fallon, Illinois, and NPI 1184685174, issued on Mar 29, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lawrence J. Barnes
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- Practice location
- 3 Saint Elizabeth Blvd, O Fallon, IL 62269
- Phone
- (618) 641-5803
- Enumerated
- Mar 29, 2006
- Record last updated
- Apr 11, 2024
- Fax
- (618) 607-5116
- Medicare enrollment
- Enrolled (PECOS I20070612000075); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 671 in Illinois → Look up another NPI →
Also registered at 3 Saint Elizabeth Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lori Hawkins, NPNurse Practitioner1760267736
- Charissa Holesko, ANPNurse Practitioner1619343274
- Katherine Jones, APRNNurse Practitioner1972229987
Verify Lawrence J. Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average medical physician assistant in 2024
393 Medicare Part D claims for 271 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Peg 3350-Electrolyte109 claims
- Pantoprazole Sodium99 claims
- Sod Sulf-Potass Sulf-Mag Sulf50 claims
- Omeprazole18 claims
- Dicyclomine Hcl12 claims
- Gavilyte-N12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $371.54
10 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hshs Medical Group IncOfallon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence J. Barnes among 671 medical physician assistant records in Illinois
Lawrence J. Barnes, PA-C is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 71% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2001 · median 2012 among the 340 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Illinois
There are 671 medical physician assistant records in Illinois.
All 671 in Illinois → Every provider in O Fallon → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Gregory Churchill, PHYSICIAN ASSISTANTO Fallon, IL 622691053390237
- Khalila Guzman, PAO Fallon, IL 622691265919526
- Staci Ladowitz, PAShiloh, IL 622691639711963
- Ralph Spafford, P.A.-CO Fallon, IL 622691043446008
- Rikki Schaefer, PASparta, IL 622861467841502
- Sara McFarlane, PA-CHighland, IL 622491891734315
- Trisha Richards, PA-CHighland, IL 622491760636088
- Katelyn Martin, PAFreeburg, IL 622431588145601
Common questions
What is Lawrence J. Barnes, PA-C's NPI number?
Lawrence J. Barnes, PA-C's National Provider Identifier (NPI) is 1184685174, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence J. Barnes, PA-C located?
The NPPES record lists a practice address at 3 Saint Elizabeth Blvd, O Fallon, IL, 62269. Phone: (618) 641-5803. Providers update this record themselves, so call before visiting.
How can I verify Lawrence J. Barnes, PA-C's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Lawrence J. Barnes, PA-C prescribe under Medicare Part D?
In 2024, Lawrence J. Barnes, PA-C had 393 Medicare Part D claims for 271 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.