Dr. Camille M. Williams, MD

  • O'Fallon, IL
  • Radiation oncologist
NPI1649436510
Medicare services, 2023
2,310
Part D claims, 2023
26
MIPS score, 2024
100
Industry payments
$25,453
Affiliated sites
1
Practice address
1 St Elizabeth Blvd, O'Fallon, IL 62269
Practice phone
Call (217) 492-9651
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HSHS St Elizabeths Hospital

O'Fallon, Illinois

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Dr. Camille M. Williams is a radiation oncologist in O'Fallon, Illinois

Dr. Williams practices at HSHS St Elizabeths Hospital in O'Fallon, Illinois.

Dr. Williams' NPI, 1649436510, was assigned on July 31, 2008. Dr. Williams graduated from Uniformed Services UHS Fe Hebert School of Med in 2003. Dr. Williams holds Illinois license 036115089.

NPI and contact details
NPI enumeration date
July 31, 2008
NPI status
Active
Practice phone
(217) 492-9651
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Camille M. Williams practices at HSHS St Elizabeths Hospital in O'Fallon, Illinois

Dr. Williams' primary practice is HSHS St Elizabeths Hospital, at 1 St Elizabeth Blvd, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (217) 492-9651.

  • HSHS St Elizabeths Hospital
    1 St Elizabeth Blvd, O'Fallon, IL 62269 · Saint Clair CountyPhone(217) 492-9651

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Camille M. Williams is affiliated with 2 sites of care and 1 medical group

Dr. Williams' primary practice is HSHS St Elizabeths Hospital in O'Fallon, Illinois. The medical group on file is Cancer Care Specialists of IL. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Camille M. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HSHS St Elizabeths HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Camille M. Williams is one of 243 radiation oncologists in Illinois

Radiation oncology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Williams is licensed in Illinois.

Specialties and state licenses

  • Radiation oncology, IllinoisPrimaryLicense 036115089 · taxonomy 2085R0001X

Radiation oncologists near Dr. Williams

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

243radiation oncologists in Illinois
2radiation oncologists in O'Fallon

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Camille M. Williams billed Medicare for 2,310 services in 2023

CMS data shows 2,310 Medicare services from Dr. Williams across 14 procedure codes in 2023. Medicare paid $87,203 for them. Every service was in an office.

Medicare services, 20232,310
Paid by Medicare$87,203
Procedure codes14

Dr. Williams' Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Other services
2022: 472023: 1,2282513%
Imaging
2022: 1,2042023: 94821%
Office and hospital visits
2022: 1212023: 13411%

Dr. Williams compared with the Illinois median for radiation oncologists, 2023

  • Dr. Williams
  • Illinois median
Medicare services
2,310vs 1,45958% above
Part D claims
26vs 3424% below

Medians across 231 radiation oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Williams' most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Camille M. Williams' patients have a median age of 36

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 36, with 50% women.

Dr. Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 36

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Camille M. Williams wrote 26 Medicare Part D claims in 2023

In 2023, Dr. Williams wrote 26 Medicare Part D claims. They cover 2 drugs, with $677 in total drug cost. In 2022, CMS named 13 claims across 1 drug.

Part D claims, 202326
Drugs named by CMS2
Total drug cost$677

Dr. Williams' most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 132023: 26100%

Drugs named by CMS: 2 in 2023, 1 in 2022.

See all prescribing by Dr. Williams

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Camille M. Williams scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Williams for performance year 2024, reported as part of a group.

Dr. Williams' MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Camille M. Williams received $25,453 in industry payments from 2016 to 2024

CMS Open Payments shows 145 general payments to Dr. Williams from 35 drug and device companies from 2016 to 2024. Honoraria make up the largest share, 86% of the total. Varian Medical Systems, Inc. paid the most, $22,755.

General payments to Dr. Williams by program year, 2016 to 2024

General payments to Dr. Williams by kind, 2016 to 2024

$25.5Kin total
  • Honoraria$22,00086%
  • Food and beverage$2,69811%
  • Travel and lodging$7553%

Companies that paid Dr. Williams the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Camille M. Williams graduated from Uniformed Services UHS Fe Hebert School of Med

Dr. Williams graduated from Uniformed Services UHS Fe Hebert School of Med in 2003.

  1. Medical schoolUniformed Services UHS Fe Hebert School of Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Camille M. Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Camille M. Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Camille M. Williams' NPI number?

Dr. Camille M. Williams' NPI number is 1649436510. It was assigned on July 31, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Camille M. Williams?

Dr. Camille M. Williams is a radiation oncologist in O'Fallon, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Camille M. Williams practice?

Dr. Williams practices at 1 St Elizabeth Blvd, O'Fallon, IL 62269. Dr. Williams' primary practice is HSHS St Elizabeths Hospital in O'Fallon, Illinois. Dmand AI also links Dr. Williams to 1 group practice or clinic.

What is Dr. Camille M. Williams' office phone number?

The practice phone on file for Dr. Williams is (217) 492-9651.

What is Dr. Camille M. Williams' medical license number?

Dr. Williams holds Illinois license 036115089.

What medical group is Dr. Camille M. Williams part of?

Dr. Williams is linked to Cancer Care Specialists of IL.

Does Dr. Camille M. Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 2,310 services in 2023.

What is Dr. Camille M. Williams' MIPS score?

Dr. Williams' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

What services does Dr. Camille M. Williams bill to Medicare?

In 2023, Dr. Williams' most billed Medicare services were medicare temporary code (Q9967), radiation oncology (77014) and radiation oncology (77300).

Where did Dr. Camille M. Williams go to medical school?

Dr. Williams graduated from Uniformed Services UHS Fe Hebert School of Med in 2003.

Show 3 more questionsShow fewer questions

What drugs does Dr. Camille M. Williams prescribe most?

In 2023 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Tamsulosin HCl and Ssd.

Has Dr. Camille M. Williams received payments from drug or device companies?

CMS Open Payments shows $25,453 in general payments to Dr. Williams from 35 companies from 2016 to 2024. The largest total came from Varian Medical Systems, Inc.

How long has Dr. Camille M. Williams been practicing?

Dr. Williams graduated from medical school in 2003, 23 years ago.

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