Benjamin William Leacock
Emergency Medicine Physician · Greenville, IL
Benjamin William Leacock is an emergency medicine physician with a practice address in Greenville, Illinois, and NPI 1639375140, issued on Jun 22, 2007. Check the license (Illinois 036148647, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Benjamin William Leacock
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036148647 IL
MD61595673 WA
DR.0056078 CO
01081797A IN
2010003231 MO
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 200 Health Care Dr, Greenville, IL 62246
- Phone
- (618) 664-1230
- Enumerated
- Jun 22, 2007
- Record last updated
- Mar 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20241222000095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 200 Health Care Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Abbeg, D.O.Emergency Medicine Physician1548490311
- Jodi Ahern-SchoenClinical Social Worker1568878577
- Charles Auer, MDEmergency Medicine Physician1073540431
- Jamie Baum, M.D.Emergency Medicine Physician1528004876
- Bobby Blum, ANP-CAdult Health Nurse Practitioner1235403643
- Michael Bond, DOEmergency Medicine Physician1386623353
Verify Benjamin William Leacock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036148647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average emergency medicine physician in 2024
201 Medicare Part D claims for 139 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 35 claims were for opioids.
Most prescribed
- Oxycodone Hcl27 claims
- Prednisone13 claims
- Tamsulosin Hcl13 claims
- Ondansetron Odt12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwest Emergency Physicians LLCBellingham, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin William Leacock among 3,291 emergency medicine physician records in Illinois
Benjamin William Leacock is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 61% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2012 among the 1,867 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 emergency medicine physician records list a practice address in Greenville
They are 26 of the 160 NPPES records with a practice address in Greenville, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Greenville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Charles Auer, MDGreenville, IL 622461073540431
- Jamie Baum, M.D.Greenville, IL 622461528004876
- Michael Bond, DOGreenville, IL 622461386623353
- Beth Heppermann, M.D.Greenville, IL 622461093912917
- Bary Klevene, MDGreenville, IL 622461508033606
- Kathryn Macdonald, M.D.Greenville, IL 622461922149418
- Howard Mell, M.D.Greenville, IL 622461770557266
- Anthony Newell, M.D.Greenville, IL 622461720121916
Common questions
What is Benjamin William Leacock's NPI number?
Benjamin William Leacock's National Provider Identifier (NPI) is 1639375140, issued on Jun 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin William Leacock located?
The NPPES record lists a practice address at 200 Health Care Dr, Greenville, IL, 62246. Phone: (618) 664-1230. Providers update this record themselves, so call before visiting.
How can I verify Benjamin William Leacock's license?
NPPES lists Illinois license number 036148647, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin William Leacock prescribe under Medicare Part D?
In 2024, Benjamin William Leacock had 201 Medicare Part D claims for 139 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Benjamin William Leacock's MIPS final score?
The 2023 MIPS final score is 89.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.