Dr. Kenneth Jon Dornfeld, MD
- Medicare services, 2024
- 955
- Medicare patients, 2024
- 95
- Part D claims, 2024
- 386
- Publications
- 3
- Hospital affiliations
- 6
- Practice address
- 502 East Second Street, Duluth, MN 55805
- Practice phone
- Call (218) 786-2652
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Dornfeld'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. Kenneth Jon Dornfeld is a radiation oncologist in Duluth, Minnesota
Dr. Dornfeld practices at Essentia Health-Duluth (Miller-Dwan, Building D) in Duluth, Minnesota, part of Essentia Health.
Dr. Dornfeld's NPI, 1174524300, was assigned on August 10, 2005. Dr. Dornfeld graduated from University of Minnesota Medical School in 1993. Dr. Dornfeld holds Minnesota license 49970.
- NPI
- 1174524300NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729171707
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (218) 786-2652
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth Jon Dornfeld practices at Essentia Health-Duluth (Miller-Dwan, Building D) in Duluth, Minnesota
Dr. Dornfeld's primary practice is Essentia Health-Duluth (Miller-Dwan, Building D), at 502 East Second Street, Duluth, MN 55805 in St. Louis County. The practice phone is (218) 786-2652.
- Essentia Health-Duluth (Miller-Dwan, Building D)502 East Second Street, Duluth, MN 55805 · St. Louis CountyPhone(218) 786-2652
Source: Dmand AI Affiliation Data
Dr. Kenneth Jon Dornfeld is affiliated with 7 sites of care and 3 medical groups
Dr. Dornfeld's primary practice is Essentia Health-Duluth (Miller-Dwan, Building D) in Duluth, Minnesota, part of Essentia Health. Dr. Dornfeld is also affiliated with Essentia Health-St. Mary's Medical Center. The medical group on file is Essentia Health-Duluth Clinic. Dmand AI also links Dr. Dornfeld to 4 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kenneth Jon Dornfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dornfeld practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Essentia Health-Duluth (Miller-Dwan, Building D) | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth Jon Dornfeld is one of 148 radiation oncologists in Minnesota
Radiation oncology is Dr. Dornfeld's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Dornfeld's licenses on file in 2 states: Minnesota and Iowa.
Specialties and state licenses
- Radiation oncology, MinnesotaPrimary
- Iowa license
Radiation oncologists near Dr. Dornfeld
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. Kenneth Jon Dornfeld billed Medicare for 955 services in 2024
CMS data shows 955 Medicare services from Dr. Dornfeld across 13 procedure codes in 2024, for 95 Medicare patients. Medicare paid $57,593 for them.
Dr. Dornfeld's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,4412024: 87739%
- Office and hospital visits
- 2023: 1282024: 7839%
- Other services
- 2023: 722024: 0100%
Where Dr. Dornfeld's Medicare services took place, 2024
- In an office283%
- In a facility92797%
Dr. Dornfeld compared with the Minnesota median for radiation oncologists, 2024
- Dr. Dornfeld
- Minnesota median
- Medicare services
- 955vs 921Close to median
- Medicare patients
- 95vs 12625% below
- Part D claims
- 304vs 2910.5 times
Medians across 140 radiation oncologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Dornfeld'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. Dornfeld?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dornfeld and other radiation oncologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth Jon Dornfeld treated 95 Medicare patients in 2024, average age 73
CMS counts 95 Medicare patients who saw Dr. Dornfeld in 2024. The largest group is 65 to 74, with 46 patients. 73% of them have cancer, and 68% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.76, 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. Dornfeld's median patient age at 74, with 45% women.
Dr. Dornfeld's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dornfeld's Medicare patients by sex, 2024
- Women4648%
- Men4952%
Chronic conditions among Dr. Dornfeld's Medicare patients, 2024
- Cancer73%
- High blood pressure68%
- High cholesterol60%
- Arthritis38%
- COPD36%
- Tobacco use32%
- Ischemic heart disease31%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dornfeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth Jon Dornfeld wrote 386 Medicare Part D claims in 2024
In 2024, Dr. Dornfeld wrote 386 Medicare Part D claims for 119 patients. 94% of them were for generic drugs. CMS names the drug for 304 of them, across 12 drugs with 11 or more claims each, at $4,509 in total drug cost. In 2023, CMS named 436 claims across 18 drugs.
Dr. Dornfeld's Part D claims by kind of drug, 2024
- Generic364 claims94%
- Brand-name22 claims6%
Dr. Dornfeld'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. Dornfeld's Part D claims, 2024
- Opioids25%96 of 386 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: 4362024: 30430%
Drugs named by CMS: 12 in 2024, 18 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
Dr. Kenneth Jon Dornfeld offers telehealth to Medicare patients
Dr. Dornfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dornfeld as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kenneth Jon Dornfeld has 3 publications on record
Dmand AI links 3 papers to Dr. Dornfeld, published from 2010 to 2014. Dr. Dornfeld's most frequent co-authors are Robert L. Foote, MD, Charles L. Loprinzi, MD and Miroslaw A. Mazurczak, MD.
Dr. Dornfeld's most frequent co-authors
- Robert L. Foote, MD1 shared paper
- Charles L. Loprinzi, MD1 shared paper
- Miroslaw A. Mazurczak, MD1 shared paper
Recent publications by Dr. Dornfeld
Breast Cancer Res Treat
See who Dr. Dornfeld researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dornfeld 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. Kenneth Jon Dornfeld graduated from University of Minnesota Medical School
Dr. Dornfeld graduated from University of Minnesota Medical School in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kenneth Jon Dornfeld'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 |
| 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. Kenneth Jon Dornfeld
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. Kenneth Jon Dornfeld's NPI number?
Dr. Kenneth Jon Dornfeld's NPI number is 1174524300. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Jon Dornfeld?
Dr. Kenneth Jon Dornfeld is a radiation oncologist in Duluth, Minnesota. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Kenneth Jon Dornfeld practice?
Dr. Dornfeld practices at 502 East Second Street, Duluth, MN 55805. Dr. Dornfeld's primary practice is Essentia Health-Duluth (Miller-Dwan, Building D) in Duluth, Minnesota, part of Essentia Health. Dmand AI also links Dr. Dornfeld to 4 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Kenneth Jon Dornfeld's office phone number?
The practice phone on file for Dr. Dornfeld is (218) 786-2652.
What is Dr. Kenneth Jon Dornfeld's medical license number?
Dr. Dornfeld holds Minnesota license 49970, one of the licenses on file in 2 states.
Which states has Dr. Kenneth Jon Dornfeld been licensed in?
Dmand AI has state licenses on file for Dr. Dornfeld in Minnesota and Iowa.
Which hospitals is Dr. Kenneth Jon Dornfeld affiliated with?
Dr. Dornfeld practices at Essentia Health-Duluth (Miller-Dwan, Building D) in Duluth, Minnesota. Dr. Dornfeld is also affiliated with Essentia Health-St. Mary's Medical Center. Dmand AI links Dr. Dornfeld to 4 more hospitals.
What medical group is Dr. Kenneth Jon Dornfeld part of?
Dr. Dornfeld is linked to Essentia Health-Duluth Clinic. Dmand AI links Dr. Dornfeld to 2 more medical groups.
Does Dr. Kenneth Jon Dornfeld accept Medicare?
Yes. CMS data shows Dr. Dornfeld billed Medicare for 955 services in 2024, and Dr. Dornfeld accepts Medicare assignment.
Does Dr. Kenneth Jon Dornfeld offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dornfeld as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Kenneth Jon Dornfeld see?
CMS counts 95 Medicare patients who saw Dr. Dornfeld in 2024, with an average age of 73.
What services does Dr. Kenneth Jon Dornfeld bill to Medicare?
In 2024, Dr. Dornfeld's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).
Where did Dr. Kenneth Jon Dornfeld go to medical school?
Dr. Dornfeld graduated from University of Minnesota Medical School in 1993.
What drugs does Dr. Kenneth Jon Dornfeld prescribe most?
In 2024 Medicare Part D data, Dr. Dornfeld's most prescribed drugs by claims were Tamsulosin HCl, Oxycodone HCl and Lorazepam.
How long has Dr. Kenneth Jon Dornfeld been practicing?
Dr. Dornfeld graduated from medical school in 1993, 33 years ago.
Does Dr. Kenneth Jon Dornfeld do research?
Dmand AI links 3 publications to Dr. Dornfeld, published from 2010 to 2014.
Who does Dr. Kenneth Jon Dornfeld publish with?
Dr. Dornfeld's most frequent co-authors are Robert L. Foote, MD (1 shared paper), Charles L. Loprinzi, MD (1 shared paper) and Miroslaw A. Mazurczak, MD (1 shared paper).
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