Timothy R. Williams, DO
Emergency Medicine Physician · Lawrenceville, IL
Timothy R. Williams, DO is an emergency medicine physician with a practice address in Lawrenceville, Illinois, and NPI 1194723247, issued on Jul 12, 2005. Check the license (Illinois 036.120252, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Timothy R. Williams
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036.120252 IL
02001015A IN
02001015AB IN
Self-reported in NPPES; status is on the state search - Practice location
- 2200 State St, Lawrenceville, IL 62439
- Phone
- (618) 943-7242
- Enumerated
- Jul 12, 2005
- Record last updated
- Mar 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 245815311 MO
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 2200 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Boyd, MDSurgery Physician1407955248
- Tyler Heflin, PTPhysical Therapist1679177307
- Mark KennedyCertified Registered Nurse Anesthetist1972707792
- Jacob Lennert, MDFamily Medicine Physician1164009593
- Jessica Marshall, M.S. CCC-SLPSpeech-Language Pathologist1851015697
- Jessica MendenhallPhysical Therapist1922652817
Verify Timothy R. Williams 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 036.120252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
141 Medicare Part D claims for 88 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin31 claims
- Azithromycin12 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.
Timothy R. Williams among 3,291 emergency medicine physician records in Illinois
Timothy R. Williams, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 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).
Emergency Medicine Physician providers in Illinois
There are 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Lawrenceville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Antonio RodriguezOlney, IL 624501114024155
- Dirk RosenbergOlney, IL 624501568569515
- Judy Brummer, M.D.Shumway, IL 624611346267895
- Glenn Skow, M.D., MPH, FAAFPVandalia, IL 624711396987053
- James Ellis, D.O., FACEPEffingham, IL 624011063439503
- Larry Lambert, M.D.Effingham, IL 624011720005366
- Paul Toofan, M.D.Effingham, IL 624011013989805
- Thomas Cliatt, DOPittsfield, IL 623631497729768
Common questions
What is Timothy R. Williams, DO's NPI number?
Timothy R. Williams, DO's National Provider Identifier (NPI) is 1194723247, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy R. Williams, DO located?
The NPPES record lists a practice address at 2200 State St, Lawrenceville, IL, 62439. Phone: (618) 943-7242. Providers update this record themselves, so call before visiting.
How can I verify Timothy R. Williams, DO's license?
NPPES lists Illinois license number 036.120252, 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 Timothy R. Williams, DO prescribe under Medicare Part D?
In 2024, Timothy R. Williams, DO had 141 Medicare Part D claims for 88 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.