Surg Oncol Clin N Am
Diagnostic ImagingRadiation OncologyRadiotherapy Planning, Computer-Assisted
Dr. Lewis A. Rosenberg, MD, PhD
NPI1790974780PAC ID3971751306
- Medicare services, 2024
- 1,215
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 325
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 11516 N Port Washington Rd, Mequon, WI 53092
- Practice phone
- Call (414) 649-6420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radiation Oncology Associates, Ltd
Mequon, Wisconsin
Find Dr. Rosenberg'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. Lewis A. Rosenberg is a radiation oncologist in Mequon, Wisconsin
Dr. Rosenberg practices at Radiation Oncology Associates, Ltd in Mequon, Wisconsin.
Dr. Rosenberg's NPI, 1790974780, was assigned on October 16, 2007. Dr. Rosenberg graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2007. Dr. Rosenberg holds Wisconsin license 65848-20.
NPI and contact details
- NPI
- 1790974780NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971751306
- NPI enumeration date
- October 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 649-6420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lewis A. Rosenberg practices at Radiation Oncology Associates, Ltd in Mequon, Wisconsin
Dr. Rosenberg's primary practice is Radiation Oncology Associates, Ltd, at 11516 N Port Washington Rd, Mequon, WI 53092 in Ozaukee County. The practice phone is (414) 649-6420.
- Radiation Oncology Associates, Ltd11516 N Port Washington Rd, Mequon, WI 53092 · Ozaukee CountyPhone(414) 649-6420
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lewis A. Rosenberg is affiliated with 7 sites of care and 1 medical group
Dr. Rosenberg's primary practice is Radiation Oncology Associates, Ltd in Mequon, Wisconsin. Dr. Rosenberg is also affiliated with Aurora St. Luke's Medical Center. The medical group on file is Radiation Oncology Associates, Ltd. Dmand AI also links Dr. Rosenberg to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Radiation Oncology Associates, LtdPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lewis A. Rosenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenberg practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radiation Oncology Associates, Ltd | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Lewis A. Rosenberg is one of 121 radiation oncologists in Wisconsin
Radiation oncology is Dr. Rosenberg's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Rosenberg is licensed in Wisconsin.
Specialties and state licenses
- Radiation oncology, WisconsinPrimary
Radiation oncologists near Dr. Rosenberg
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. Lewis A. Rosenberg billed Medicare for 1,215 services in 2024
CMS data shows 1,215 Medicare services from Dr. Rosenberg across 14 procedure codes in 2024, for 190 Medicare patients. Medicare paid $80,274 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,215
Medicare patients190
Paid by Medicare$80,274
Procedure codes14
Dr. Rosenberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,1282024: 1,0755%
- Office and hospital visits
- 2023: 1372024: 11318%
- Other services
- 2023: 312024: 2713%
Dr. Rosenberg compared with the Wisconsin median for radiation oncologists, 2024
- Dr. Rosenberg
- Wisconsin median
- Medicare services
- 1,215vs 88937% above
- Medicare patients
- 190vs 14828% above
- Part D claims
- 203vs 415.0 times
Medians across 125 radiation oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Rosenberg'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. Rosenberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rosenberg and other radiation oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lewis A. Rosenberg treated 190 Medicare patients in 2024, average age 74
CMS counts 190 Medicare patients who saw Dr. Rosenberg in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have cancer, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.64, 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. Rosenberg's median patient age at 71, with 39% women.
Medicare patients, 2024190
Average age74
Average risk score1.64
Also on Medicaid13%
Dr. Rosenberg's Medicare patients by age, 2024
Dr. Rosenberg's Medicare patients by sex, 2024
- Women7439%
- Men11661%
Chronic conditions among Dr. Rosenberg's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Ischemic heart disease36%
- Diabetes31%
- COPD26%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rosenberg'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
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lewis A. Rosenberg wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Rosenberg wrote 325 Medicare Part D claims for 126 patients. 94% of them were for generic drugs. CMS names the drug for 203 of them, across 7 drugs with 11 or more claims each, at $2,036 in total drug cost. In 2023, CMS named 218 claims across 9 drugs.
Part D claims, 2024325
Drugs named by CMS7
Total drug cost$2,036
Part D patients126
Dr. Rosenberg's Part D claims by kind of drug, 2024
- Generic305 claims94%
- Brand-name20 claims6%
Dr. Rosenberg'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. Rosenberg's Part D claims, 2024
- Opioids11%36 of 325 claims
- Antibiotics14%46 of 325 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: 2182024: 2037%
Drugs named by CMS: 7 in 2024, 9 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. Lewis A. Rosenberg takes part in Medicare
Dr. Rosenberg 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. Lewis A. Rosenberg has 3 publications on record
Dmand AI links 3 papers to Dr. Rosenberg, published from 2011 to 2013. Dr. Rosenberg's most frequent co-authors are Joel E. Tepper, MD, Bhishamjit Singh Chera, MD and Robert John Esther, MD.
Papers3
Years published2011 to 2013
Dr. Rosenberg's papers by year, 2011 to 2013
Dr. Rosenberg's most frequent co-authors
- Joel E. Tepper, MD2 shared papers
- Bhishamjit Singh Chera, MD1 shared paper
- Robert John Esther, MD1 shared paper
Recent publications by Dr. Rosenberg
Antineoplastic AgentsCarboplatinCarcinoma
See who Dr. Rosenberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rosenberg 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. Lewis A. Rosenberg has worked on 1 clinical trial
Dmand AI links Dr. Rosenberg to 1 clinical trial. 1 is still active or recruiting.
Investigators on the most trials with Dr. Rosenberg
Recent clinical trials with Dr. Rosenberg
Stereotactic Body Radiation Therapy or Intensity-Modulated Radiation Therapy in Treating Patients With Stage IIA-B Prostate Cancer (opens in a new tab)
Active, not recruitingPhase 3
Intensity-Modulated Radiation TherapyStereotactic Body Radiation Therapy
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Lewis A. Rosenberg received $156 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to Dr. Rosenberg from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 68% of the total. IsoRay, Inc paid the most, $106.
General payments to Dr. Rosenberg by program year, 2023 to 2024
General payments to Dr. Rosenberg by kind, 2023 to 2024
$156in total
- Food and beverage$10668%
- Education$5032%
Companies that paid Dr. Rosenberg the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lewis A. Rosenberg graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Rosenberg graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lewis A. Rosenberg'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Lewis A. Rosenberg
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. Lewis A. Rosenberg's NPI number?
Dr. Lewis A. Rosenberg's NPI number is 1790974780. It was assigned on October 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Lewis A. Rosenberg?
Dr. Lewis A. Rosenberg is a radiation oncologist in Mequon, Wisconsin. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Lewis A. Rosenberg practice?
Dr. Rosenberg practices at 11516 N Port Washington Rd, Mequon, WI 53092. Dr. Rosenberg's primary practice is Radiation Oncology Associates, Ltd in Mequon, Wisconsin. Dmand AI also links Dr. Rosenberg to 4 hospitals and 1 group practice or clinic.
What is Dr. Lewis A. Rosenberg's office phone number?
The practice phone on file for Dr. Rosenberg is (414) 649-6420.
What is Dr. Lewis A. Rosenberg's medical license number?
Dr. Rosenberg holds Wisconsin license 65848-20.
Which hospitals is Dr. Lewis A. Rosenberg affiliated with?
Dr. Rosenberg is affiliated with Aurora St. Luke's Medical Center. Dmand AI links Dr. Rosenberg to 4 more hospitals.
What medical group is Dr. Lewis A. Rosenberg part of?
Dr. Rosenberg is linked to Radiation Oncology Associates, Ltd.
Does Dr. Lewis A. Rosenberg accept Medicare?
Yes. CMS data shows Dr. Rosenberg billed Medicare for 1,215 services in 2024, and Dr. Rosenberg accepts Medicare assignment.
How many Medicare patients does Dr. Lewis A. Rosenberg see?
CMS counts 190 Medicare patients who saw Dr. Rosenberg in 2024, with an average age of 74.
What services does Dr. Lewis A. Rosenberg bill to Medicare?
In 2024, Dr. Rosenberg's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
Show 6 more questionsShow fewer questions
Where did Dr. Lewis A. Rosenberg go to medical school?
Dr. Rosenberg graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2007.
What drugs does Dr. Lewis A. Rosenberg prescribe most?
In 2024 Medicare Part D data, Dr. Rosenberg's most prescribed drugs by claims were Tamsulosin HCl, Hydrocodone-Acetaminophen and Ciprofloxacin HCl.
Has Dr. Lewis A. Rosenberg received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Rosenberg from 2 companies from 2023 to 2024. The largest total came from IsoRay, Inc.
How long has Dr. Lewis A. Rosenberg been practicing?
Dr. Rosenberg graduated from medical school in 2007, 19 years ago.
Does Dr. Lewis A. Rosenberg do research?
Dmand AI links 3 publications to Dr. Rosenberg, published from 2011 to 2013. Dr. Rosenberg has worked on 1 clinical trial.
Who does Dr. Lewis A. Rosenberg publish with?
Dr. Rosenberg's most frequent co-authors are Joel E. Tepper, MD (2 shared papers), Bhishamjit Singh Chera, MD (1 shared paper) and Robert John Esther, MD (1 shared paper).
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