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Dr. William Warren Chance, MD
NPI1164788766PAC ID5092082354
- Medicare services, 2024
- 986
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 85
- Publications
- 7
- Hospital affiliations
- 2
- Practice address
- 890 Oak Street, SE, Salem, OR 97301
- Practice phone
- Call (503) 561-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chance's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Warren Chance is a radiation oncologist in Salem, Oregon
Dr. Chance practices at Salem Hospital in Salem, Oregon, part of Salem Health Hospitals and Clinics.
Dr. Chance's NPI, 1164788766, was assigned on April 9, 2012. Dr. Chance graduated from University of Texas Southwestern Medical School at Dallas in 2012. Dr. Chance holds Oregon license MD 181142.
NPI and contact details
- NPI
- 1164788766NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092082354
- NPI enumeration date
- April 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 561-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Warren Chance practices at Salem Hospital in Salem, Oregon
Dr. Chance's primary practice is Salem Hospital, at 890 Oak Street, SE, Salem, OR 97301 in Marion County. The practice phone is (503) 561-5200.
- Salem Hospital890 Oak Street, SE, Salem, OR 97301 · Marion CountyPhone(503) 561-5200
Source: Dmand AI Affiliation Data
Dr. William Warren Chance is affiliated with 3 sites of care and 1 medical group
Dr. Chance's primary practice is Salem Hospital in Salem, Oregon, part of Salem Health Hospitals and Clinics. Dr. Chance is also affiliated with Salem Health West Valley Hospital. The medical group on file is Salem Health. Dmand AI also links Dr. Chance to 1 more group practice or clinic, named with a free account. Dr. Chance's employer is on file too: a hospital.
Salem Health West Valley HospitalSalem Health1 group practice or clinicName with a free accountEmployer: hospitalName with a free account
See all 4 affiliations for Dr. ChanceSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Warren Chance's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chance practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Salem Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. William Warren Chance is one of 98 radiation oncologists in Oregon
Radiation oncology is Dr. Chance's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Chance is licensed in Oregon.
Specialties and state licenses
- Radiation oncology, OregonPrimary
Radiation oncologists near Dr. Chance
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
98radiation oncologists in Oregon
6radiation oncologists in Salem
5radiation oncologists at Salem HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Warren Chance billed Medicare for 986 services in 2024
CMS data shows 986 Medicare services from Dr. Chance across 17 procedure codes in 2024, for 175 Medicare patients. Medicare paid $69,310 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024986
Medicare patients175
Paid by Medicare$69,310
Procedure codes17
Dr. Chance's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8972024: 8456%
- Office and hospital visits
- 2023: 1042024: 1022%
- Other services
- 2023: 02024: 39
Dr. Chance compared with the Oregon median for radiation oncologists, 2024
- Dr. Chance
- Oregon median
- Medicare services
- 986vs 83918% above
- Medicare patients
- 175vs 14025% above
- Part D claims
- 38vs 4719% below
Medians across 99 radiation oncologists in Oregon with Dmand AI profiles that report each measure.
Dr. Chance's 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.
Need commercial claims for Dr. Chance?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chance and other radiation oncologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Warren Chance treated 175 Medicare patients in 2024, average age 73
CMS counts 175 Medicare patients who saw Dr. Chance in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have cancer, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chance's median patient age at 71, with 53% women.
Medicare patients, 2024175
Average age73
Average risk score1.55
Also on Medicaid17%
Dr. Chance's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chance's Medicare patients by sex, 2024
- Women10359%
- Men7241%
Chronic conditions among Dr. Chance's Medicare patients, 2024
- Cancer75%
- High blood pressure70%
- High cholesterol63%
- Arthritis34%
- Diabetes28%
- COPD22%
- Anxiety21%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chance's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Warren Chance wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Chance wrote 85 Medicare Part D claims for 42 patients. 94% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $469 in total drug cost. In 2023, CMS named 36 claims across 2 drugs.
Part D claims, 202485
Drugs named by CMS2
Total drug cost$469
Part D patients42
Dr. Chance's Part D claims by kind of drug, 2024
- Generic80 claims94%
- Brand-name and other5 claims6%
Dr. Chance's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chance's Part D claims, 2024
- Opioids14%12 of 85 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 362024: 386%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. William Warren Chance takes part in Medicare
Dr. Chance accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Warren Chance has 7 publications on record
Dmand AI links 7 papers to Dr. Chance, published from 2014 to 2023. 2014 was the busiest year, with 2. The most frequent topics are Lung Neoplasms. Dr. Chance's most frequent co-authors are Zhongxing Liao, MD, Daniel R. Gomez, MD and Reza J. Mehran, MD.
Papers7
Years published2014 to 2023
Dr. Chance's papers by year, 2014 to 2023
Topics Dr. Chance writes about most
- Lung Neoplasms
Dr. Chance's most frequent co-authors
- Zhongxing Liao, MD5 shared papers
- Daniel R. Gomez, MD3 shared papers
- Reza J. Mehran, MD3 shared papers
Recent publications by Dr. Chance
Lung NeoplasmsRadiosurgerySarcoma
Breast NeoplasmsHealth Services MisuseInsurance, Health
Bone NeoplasmsCarcinoma, Non-Small-Cell LungChemotherapy, Adjuvant
See who Dr. Chance researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chance works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Warren Chance received $746 in industry payments in 2022
CMS Open Payments shows 3 general payments to Dr. Chance from 1 drug or device company in 2022. Travel and lodging make up the largest share, 100% of the total. RefleXion Medical, Inc. paid the most, $746.
Companies that paid Dr. Chance the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Warren Chance graduated from University of Texas Southwestern Medical School at Dallas
Dr. Chance graduated from University of Texas Southwestern Medical School at Dallas in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Warren Chance's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Warren Chance
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. William Warren Chance's NPI number?
Dr. William Warren Chance's NPI number is 1164788766. It was assigned on April 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. William Warren Chance?
Dr. William Warren Chance is a radiation oncologist in Salem, Oregon. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. William Warren Chance practice?
Dr. Chance practices at 890 Oak Street, SE, Salem, OR 97301. Dr. Chance's primary practice is Salem Hospital in Salem, Oregon, part of Salem Health Hospitals and Clinics. Dmand AI also links Dr. Chance to 1 group practice or clinic.
What is Dr. William Warren Chance's office phone number?
The practice phone on file for Dr. Chance is (503) 561-5200.
What is Dr. William Warren Chance's medical license number?
Dr. Chance holds Oregon license MD 181142.
Which hospitals is Dr. William Warren Chance affiliated with?
Dr. Chance practices at Salem Hospital in Salem, Oregon. Dr. Chance is also affiliated with Salem Health West Valley Hospital.
What medical group is Dr. William Warren Chance part of?
Dr. Chance is linked to Salem Health.
Does Dr. William Warren Chance accept Medicare?
Yes. CMS data shows Dr. Chance billed Medicare for 986 services in 2024, and Dr. Chance accepts Medicare assignment.
How many Medicare patients does Dr. William Warren Chance see?
CMS counts 175 Medicare patients who saw Dr. Chance in 2024, with an average age of 73.
What services does Dr. William Warren Chance bill to Medicare?
In 2024, Dr. Chance's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
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Where did Dr. William Warren Chance go to medical school?
Dr. Chance graduated from University of Texas Southwestern Medical School at Dallas in 2012.
What drugs does Dr. William Warren Chance prescribe most?
In 2024 Medicare Part D data, Dr. Chance's most prescribed drugs by claims were Lidocaine HCl Viscous and Tamsulosin HCl.
Has Dr. William Warren Chance received payments from drug or device companies?
CMS Open Payments shows $746 in general payments to Dr. Chance from 1 company from 2022 to 2022. The largest total came from RefleXion Medical, Inc.
How long has Dr. William Warren Chance been practicing?
Dr. Chance graduated from medical school in 2012, 14 years ago.
Does Dr. William Warren Chance do research?
Dmand AI links 7 publications to Dr. Chance, published from 2014 to 2023.
Who does Dr. William Warren Chance publish with?
Dr. Chance's most frequent co-authors are Zhongxing Liao, MD (5 shared papers), Daniel R. Gomez, MD (3 shared papers) and Reza J. Mehran, MD (3 shared papers).
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