Breast
Dr. Leslie E. Botnick, MD
- Medicare services, 2024
- 1,135
- Medicare patients, 2024
- 109
- Part D claims, 2024
- 22
- Publications
- 23
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (626) 256-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Botnick'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. Leslie E. Botnick is a radiation oncologist in Duarte, California
Dr. Botnick practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Botnick's NPI, 1275530917, was assigned on July 7, 2005. Dr. Botnick graduated from New York Medical College in 1972. Dr. Botnick holds California license G37645.
- NPI
- 1275530917NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860306214
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 256-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leslie E. Botnick practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Botnick's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (626) 256-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leslie E. Botnick is affiliated with 9 sites of care and 8 medical groups
Dr. Botnick's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Botnick to 7 more medical groups, 6 group practices and clinics and 2 physician offices, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leslie E. Botnick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Botnick practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +8 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leslie E. Botnick is one of 685 radiation oncologists in California
Radiation oncology is Dr. Botnick's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Botnick is board certified in therapeutic radiology by the American Board of Radiology. Dmand AI has Dr. Botnick's licenses on file in 8 states: California, New York, Arizona, Massachusetts, Ohio, Illinois, Colorado and New Mexico.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- New York license
- Arizona license
- Massachusetts license
- Ohio license
- Illinois license
- Colorado license
- New Mexico license
Clinical focus
Dmand AI lists breast cancer radiation, lung cancer radiation, lymphoma radiation and prostate cancer radiation among the conditions Dr. Botnick treats.
Radiation oncologists near Dr. Botnick
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. Leslie E. Botnick billed Medicare for 1,135 services in 2024
CMS data shows 1,135 Medicare services from Dr. Botnick across 11 procedure codes in 2024, for 109 Medicare patients. Medicare paid $232,949 for them.
Dr. Botnick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 7632024: 7176%
- Other services
- 2023: 3672024: 3612%
- Office and hospital visits
- 2023: 482024: 5719%
Where Dr. Botnick's Medicare services took place, 2024
- In an office1,12499%
- In a facility111%
Dr. Botnick compared with the California median for radiation oncologists, 2024
- Dr. Botnick
- California median
- Medicare services
- 1,135vs 1,44421% below
- Medicare patients
- 109vs 16434% below
- Part D claims
- 17vs 3247% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Botnick'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. Botnick?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Botnick and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leslie E. Botnick treated 109 Medicare patients in 2024, average age 74
CMS counts 109 Medicare patients who saw Dr. Botnick in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have cancer, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Botnick's median patient age at 68, with 59% women.
Dr. Botnick's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Botnick's Medicare patients by sex, 2024
- Women6358%
- Men4642%
Chronic conditions among Dr. Botnick's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure74%
- Arthritis55%
- Diabetes33%
- Anxiety27%
- Mood disorders27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Botnick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leslie E. Botnick wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Botnick wrote 22 Medicare Part D claims for 12 patients. 95% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $378 in total drug cost. In 2019, CMS named 21 claims across 1 drug.
Dr. Botnick's Part D claims by kind of drug, 2024
- Generic21 claims95%
- Brand-name and other1 claims5%
Dr. Botnick's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 212020: 1719%
Drugs named by CMS: 1 in 2020, 1 in 2019.
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. Leslie E. Botnick scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Botnick for performance year 2024, reported as part of a group. Dr. Botnick accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Botnick's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leslie E. Botnick has 23 publications on record
Dmand AI links 23 papers to Dr. Botnick in 2016. The most frequent topics are Hematopoietic Stem Cells, Cell Division and Antineoplastic Agents. Dr. Botnick has published most often in Int J Radiat Oncol Biol Phys. Dr. Botnick's most frequent co-authors are Christopher M. Rose, MD, Robert Clinton Bast, MD and George Peter Canellos, MD.
Topics Dr. Botnick writes about most
- Hematopoietic Stem Cells
- Cell Division
- Antineoplastic Agents
- Bone Marrow
- Breast Neoplasms
- Colony-Forming Units Assay
- Hematopoiesis
- Mice, Inbred C3H
Dr. Botnick's most frequent co-authors
- Christopher M. Rose, MD2 shared papers
- Robert Clinton Bast, MD1 shared paper
- George Peter Canellos, MD1 shared paper
Recent publications by Dr. Botnick
Int J Radiat Oncol Biol Phys
Cancer
Cancer Res
See who Dr. Botnick researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Botnick 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. Leslie E. Botnick received $7,021 in industry payments from 2017 to 2025
CMS Open Payments shows 13 general payments to Dr. Botnick from 9 drug and device companies from 2017 to 2025. Debt forgiveness make up the largest share, 92% of the total. Olympus America Inc. paid the most, $6,466.
General payments to Dr. Botnick by program year, 2017 to 2025
General payments to Dr. Botnick by kind, 2017 to 2025
- Debt forgiveness$6,46692%
- Food and beverage$5558%
Companies that paid Dr. Botnick the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leslie E. Botnick graduated from New York Medical College
Dr. Botnick graduated from New York Medical College in 1972.
- Medical school
- Board certified in therapeutic radiology
Source: Dmand AI Professional Profile Data
Dr. Leslie E. Botnick accepts plans from 11 insurance carriers
Dr. Botnick is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Molina
- Regence Health Plans
- United Healthcare
- +3 more carriersWith a free account
Plan types Dr. Botnick accepts, by number of carriers
- Medicare7
- HMO6
- PPO5
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leslie E. Botnick'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Leslie E. Botnick
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. Leslie E. Botnick's NPI number?
Dr. Leslie E. Botnick's NPI number is 1275530917. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leslie E. Botnick?
Dr. Leslie E. Botnick is a radiation oncologist in Duarte, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Leslie E. Botnick practice?
Dr. Botnick practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Botnick's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Botnick to 7 medical groups, 6 group practices and clinics and 2 physician offices.
What is Dr. Leslie E. Botnick's office phone number?
The practice phone on file for Dr. Botnick is (626) 256-4673.
What is Dr. Leslie E. Botnick's medical license number?
Dr. Botnick holds California license G37645, one of the licenses on file in 8 states.
Which states has Dr. Leslie E. Botnick been licensed in?
Dmand AI has state licenses on file for Dr. Botnick in California (1978 to 2026), New York (2003 to 2021), Arizona (2010 to 2019), Massachusetts (1973 to 2019), Ohio (2015 to 2019), Illinois (2010 to 2017), Colorado (2001 to 2013) and New Mexico (2001 to 2008).
What medical group is Dr. Leslie E. Botnick part of?
Dr. Botnick is linked to City of Hope. Dmand AI links Dr. Botnick to 7 more medical groups.
Does Dr. Leslie E. Botnick accept Medicare?
Yes. CMS data shows Dr. Botnick billed Medicare for 1,135 services in 2024, and Dr. Botnick accepts Medicare assignment.
What is Dr. Leslie E. Botnick's MIPS score?
Dr. Botnick's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leslie E. Botnick see?
CMS counts 109 Medicare patients who saw Dr. Botnick in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Leslie E. Botnick board certified?
Yes. Dr. Botnick is board certified in therapeutic radiology by the American Board of Radiology.
What services does Dr. Leslie E. Botnick bill to Medicare?
In 2024, Dr. Botnick's most billed Medicare services were radiation oncology (77014), medicare service (G6015) and radiation oncology (77427).
Where did Dr. Leslie E. Botnick go to medical school?
Dr. Botnick graduated from New York Medical College in 1972.
What drugs does Dr. Leslie E. Botnick prescribe most?
In 2020 Medicare Part D data, Dr. Botnick's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Leslie E. Botnick received payments from drug or device companies?
CMS Open Payments shows $7,021 in general payments to Dr. Botnick from 9 companies from 2017 to 2025. The largest total came from Olympus America Inc.
How long has Dr. Leslie E. Botnick been practicing?
Dr. Botnick graduated from medical school in 1972, 54 years ago.
Does Dr. Leslie E. Botnick do research?
Dmand AI links 23 publications to Dr. Botnick.
Who does Dr. Leslie E. Botnick publish with?
Dr. Botnick's most frequent co-authors are Christopher M. Rose, MD (2 shared papers), Robert Clinton Bast, MD (1 shared paper) and George Peter Canellos, MD (1 shared paper).
What insurance does Dr. Leslie E. Botnick accept?
Dr. Botnick is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to radiation oncology practices?
See radiation oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card