Dr. Todd E. Williams, MD

  • Newport Beach, CA
  • Radiation oncologist
NPI1346240306PAC ID4082658695
Medicare services, 2024
120
Medicare patients, 2024
78
Part D claims, 2021
74
MIPS score, 2024
86
Hospital affiliations
3
Practice address
One Hoag Drive, Newport Beach, CA 92663
Practice phone
Call (949) 764-4624
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hoag Hospital Newport Beach

Hospital · Newport Beach, California

See all 8 affiliations

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Dr. Todd E. Williams is a radiation oncologist in Newport Beach, California

Dr. Williams practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.

Dr. Williams' NPI, 1346240306, was assigned on July 29, 2005. Dr. Williams graduated from Medical University of South Carolina College of Medicine in 1987. Dr. Williams holds South Carolina license 14002.

NPI and contact details
Medicare PAC ID
4082658695
NPI enumeration date
July 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 764-4624
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Todd E. Williams practices at 2 locations in Newport Beach, California

Dr. Williams' primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Dr. Williams also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.

  • Hoag Hospital Newport BeachPrimary
    One Hoag Drive, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
  • Hoag Hospital Newport Beach
    1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624

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

Dr. Todd E. Williams is affiliated with 5 sites of care and 3 medical groups

Dr. Williams' primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Dr. Williams is also affiliated with Bon Secours St. Francis Hospital. The medical group on file is Memorial Health University Physicians, Heart Care - Waters Ave. Dmand AI also links Dr. Williams to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 8 affiliations for Dr. Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Todd E. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hoag Hospital Newport BeachAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Todd E. Williams is one of 685 radiation oncologists in California

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

Specialties and state licenses

  • Radiation oncology, South CarolinaPrimaryLicense 200400438 · taxonomy 2085R0001X

Radiation oncologists near Dr. Williams

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

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

Dr. Todd E. Williams billed Medicare for 120 services in 2024

CMS data shows 120 Medicare services from Dr. Williams across 2 procedure codes in 2024, for 78 Medicare patients. Medicare paid $6,270 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024120
Medicare patients78
Paid by Medicare$6,270
Procedure codes2

Dr. Williams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 2472024: 12051%
Other services
2023: 252024: 0100%

Dr. Williams compared with the California median for radiation oncologists, 2024

  • Dr. Williams
  • California median
Medicare services
120vs 1,44492% below
Medicare patients
78vs 16452% below
Part D claims
74vs 322.3 times

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Williams' most billed Medicare procedure codes, 2024

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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other radiation oncologists in California.

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

Dr. Todd E. Williams treated 78 Medicare patients in 2024, average age 74

CMS counts 78 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 67, with 35% women.

Medicare patients, 202478
Average age74
Average risk score1.39

Dr. Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Williams' Medicare patients by sex, 2024

  • Women2127%
  • Men5773%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer73%
  4. Arthritis40%
  5. Diabetes36%
  6. Ischemic heart disease36%
  7. Anxiety29%
  8. Chronic kidney disease27%

Share of Medicare patients with each condition. A patient can have several.

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 67

Patient panel by sex, all payers

  • Women35%
  • Men65%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Todd E. Williams wrote 74 Medicare Part D claims in 2021

In 2021, Dr. Williams wrote 74 Medicare Part D claims. They cover 4 drugs, with $3,373 in total drug cost. In 2020, CMS named 87 claims across 3 drugs.

Part D claims, 202174
Drugs named by CMS4
Total drug cost$3,373

Dr. Williams' most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 872021: 7415%

Drugs named by CMS: 4 in 2021, 3 in 2020.

See all prescribing by Dr. Williams

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

Dr. Todd E. Williams scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Williams' MIPS scores, performance year 2024

  • 86of 100Final score
  • 78.2of 100Quality
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Todd E. Williams received $1,144 in industry payments from 2016 to 2025

CMS Open Payments shows 67 general payments to Dr. Williams from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. INSYS Therapeutics Inc paid the most, $135.

General payments to Dr. Williams by program year, 2016 to 2025

Companies that paid Dr. Williams the most, 2016 to 2025

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. Todd E. Williams graduated from Medical University of South Carolina College of Medicine

Dr. Williams graduated from Medical University of South Carolina College of Medicine in 1987.

  1. Medical schoolMedical University of South Carolina College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Todd E. 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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician 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. Todd E. 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. Todd E. Williams' NPI number?

Dr. Todd E. Williams' NPI number is 1346240306. It was assigned on July 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Todd E. Williams?

Dr. Todd E. Williams is a radiation oncologist in Newport Beach, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Todd E. Williams practice?

Dr. Williams practices at One Hoag Drive, Newport Beach, CA 92663. Dr. Williams also practices at 1 Hoag Dr, Newport Beach, CA 92663. Dr. Williams' primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Dmand AI also links Dr. Williams to 1 hospital, 2 group practices and clinics and 2 medical groups.

What is Dr. Todd E. Williams' office phone number?

The practice phone on file for Dr. Williams is (949) 764-4624.

What is Dr. Todd E. Williams' medical license number?

Dr. Williams holds South Carolina license 14002.

Which hospitals is Dr. Todd E. Williams affiliated with?

Dr. Williams practices at Hoag Hospital Newport Beach in Newport Beach, California. Dr. Williams is also affiliated with Bon Secours St. Francis Hospital. Dmand AI links Dr. Williams to 1 more hospital.

What medical group is Dr. Todd E. Williams part of?

Dr. Williams is linked to Memorial Health University Physicians, Heart Care - Waters Ave. Dmand AI links Dr. Williams to 2 more medical groups.

Does Dr. Todd E. Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 120 services in 2024, and Dr. Williams accepts Medicare assignment.

What is Dr. Todd E. Williams' MIPS score?

Dr. Williams' MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Todd E. Williams see?

CMS counts 78 Medicare patients who saw Dr. Williams in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Todd E. Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were radiation oncology (77014) and radiation oncology (77427).

Where did Dr. Todd E. Williams go to medical school?

Dr. Williams graduated from Medical University of South Carolina College of Medicine in 1987.

What drugs does Dr. Todd E. Williams prescribe most?

In 2021 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Lidocaine HCl Viscous and Sucralfate.

Has Dr. Todd E. Williams received payments from drug or device companies?

CMS Open Payments shows $1,144 in general payments to Dr. Williams from 20 companies from 2016 to 2025. The largest total came from INSYS Therapeutics Inc.

How long has Dr. Todd E. Williams been practicing?

Dr. Williams graduated from medical school in 1987, 39 years ago.

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