Camille M. Williams, M.D.
Radiation Oncology Physician · O Fallon, IL
Camille M. Williams, M.D. is a radiation oncology physician with a practice address in O Fallon, Illinois, and NPI 1649436510, issued on Jul 31, 2008. Check the license (Illinois 036115089, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Camille M. Williams
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036115089 IL
Self-reported in NPPES; status is on the state search - Practice location
- 321 Regency Park, O Fallon, IL 62269
- Phone
- (314) 377-3833
- Enumerated
- Jul 31, 2008
- Record last updated
- Feb 27, 2023
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 321 Regency Park
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney HarperFamily Nurse Practitioner1780501726
- Michelle McQuillan, DNP, FNP-BCNurse Practitioner1013533819
Verify Camille M. 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 036115089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 77.7 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).
Industry payments in 2024: $39.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Camille M. Williams among 277 radiation oncology physician records in Illinois
Camille M. Williams, M.D. is one of 277 radiation oncology physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in O Fallon → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Susan Laduzinsky, MDShiloh, IL 622691942202155
- Jason Lee, MDShiloh, IL 622691851618995
- Ryan Mueller, MDO Fallon, IL 622691912571654
- Jacob Witt, M.D.O Fallon, IL 622691891157871
- Robert Johnson, MDQuincy, IL 623011053308825
- Mark Khil, M.D.Quincy, IL 623011851398598
- Young Yu, M.D.Quincy, IL 623011679570865
- Casey Duncan, MDEffingham, IL 624011487720942
Common questions
What is Camille M. Williams, M.D.'s NPI number?
Camille M. Williams, M.D.'s National Provider Identifier (NPI) is 1649436510, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Camille M. Williams, M.D. located?
The NPPES record lists a practice address at 321 Regency Park, O Fallon, IL, 62269. Phone: (314) 377-3833. Providers update this record themselves, so call before visiting.
How can I verify Camille M. Williams, M.D.'s license?
NPPES lists Illinois license number 036115089, 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.
What is Camille M. Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.7 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.