Breast NeoplasmsEarly Detection of CancerEthnicity
Dr. Dawn Johnson Leonard, MD
NPI1063490167PAC ID9234153776
- Medicare services, 2024
- 202
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 90
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 4755 Ogletown Stanton Road, Newark, DE 19713
- Practice phone
- Call (302) 320-2926
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare Adult Outpatient Psychiatry & Therapy
Outpatient Mental Health Clinic · Newark, Delaware
Find Dr. Leonard's professional email, personal email and mobile number
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Dr. Dawn Johnson Leonard is a general surgeon in Newark, Delaware
Dr. Leonard practices at ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware.
Dr. Leonard's NPI, 1063490167, was assigned on January 9, 2006. Dr. Leonard graduated from Howard University College of Medicine in 1996. Dr. Leonard holds Maryland license D0063740.
NPI and contact details
- NPI
- 1063490167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234153776
- NPI enumeration date
- January 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 320-2926
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dawn Johnson Leonard practices at ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware
Dr. Leonard's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy, at 4755 Ogletown Stanton Road, Newark, DE 19713. The practice phone is (302) 320-2926.
- ChristianaCare Adult Outpatient Psychiatry & Therapy4755 Ogletown Stanton Road, Newark, DE 19713Phone(302) 320-2926
Source: Dmand AI Affiliation Data
Dr. Dawn Johnson Leonard is affiliated with 6 sites of care and 3 medical groups
Dr. Leonard's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware. Dr. Leonard is also affiliated with Holy Cross Hospital. The medical group on file is ChristianaCare. Dmand AI also links Dr. Leonard to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 hospice, each named with a free account.
ChristianaCare Adult Outpatient Psychiatry & TherapyPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dawn Johnson Leonard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leonard practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare Adult Outpatient Psychiatry & Therapy | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dawn Johnson Leonard is one of 103 general surgeons in Delaware
Surgery is Dr. Leonard's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Leonard's licenses on file in 3 states: Maryland, District of Columbia and Delaware.
Specialties and state licenses
- Surgery, MarylandPrimary
- District of Columbia license
- Delaware license
General surgeons near Dr. Leonard
Counts of general surgeons 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. Dawn Johnson Leonard billed Medicare for 202 services in 2024
CMS data shows 202 Medicare services from Dr. Leonard across 7 procedure codes in 2024, for 101 Medicare patients. Medicare paid $29,670 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024202
Medicare patients101
Paid by Medicare$29,670
Procedure codes7
Dr. Leonard's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1862024: 11240%
- Surgery
- 2023: 1282024: 9030%
Dr. Leonard compared with the Delaware median for general surgeons, 2024
- Dr. Leonard
- Delaware median
- Medicare services
- 202vs 24919% below
- Medicare patients
- 101vs 16940% below
- Part D claims
- 66vs 3683% above
Medians across 95 general surgeons in Delaware with Dmand AI profiles that report each measure.
Dr. Leonard'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leonard and other general surgeons in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dawn Johnson Leonard treated 101 Medicare patients in 2024, average age 74
CMS counts 101 Medicare patients who saw Dr. Leonard in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leonard's median patient age at 65, with 100% women.
Medicare patients, 2024101
Average age74
Average risk score1.03
Dr. Leonard's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Leonard's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes32%
- Anxiety30%
- Mood disorders25%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leonard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dawn Johnson Leonard wrote 90 Medicare Part D claims in 2024
In 2024, Dr. Leonard wrote 90 Medicare Part D claims for 44 patients. 100% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $756 in total drug cost. In 2023, CMS named 79 claims across 3 drugs.
Part D claims, 202490
Drugs named by CMS3
Total drug cost$756
Part D patients44
Dr. Leonard'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 792024: 6616%
Drugs named by CMS: 3 in 2024, 3 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. Dawn Johnson Leonard takes part in Medicare
Dr. Leonard accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dawn Johnson Leonard has 3 publications on record
Dmand AI links 3 papers to Dr. Leonard, published from 2021 to 2023. The most frequent topics are Breast Neoplasms and Early Detection of Cancer. Dr. Leonard's most frequent co-authors are Nicholas J. Petrelli, MD, Heather Bittner-Fagan, MD and Leroi S. Hicks, MD, MPH.
Papers3
Years published2021 to 2023
Topics Dr. Leonard writes about most
- Breast Neoplasms
- Early Detection of Cancer
Dr. Leonard's most frequent co-authors
- Nicholas J. Petrelli, MD2 shared papers
- Heather Bittner-Fagan, MD1 shared paper
- Leroi S. Hicks, MD, MPH1 shared paper
Recent publications by Dr. Leonard
Cancer Epidemiol Biomarkers Prev
Alcohol DrinkingCatchment Area, HealthDelaware
Black or African AmericanBreast NeoplasmsCommunity-Based Participatory Research
See who Dr. Leonard researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leonard works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Dawn Johnson Leonard has worked on 1 clinical trial
Dmand AI links Dr. Leonard to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Breast Neoplasms and Breast Diseases.
Conditions in Dr. Leonard's trials
- Breast Neoplasms
- Breast Diseases
Investigators on the most trials with Dr. Leonard
- Rebecca L. Aft, MD1 shared trial
- Gretchen M. Ahrendt, MD1 shared trial
- Nicolas Ajkay, MD1 shared trial
Recent clinical trials with Dr. Leonard
Comparison of Axillary Lymph Node Dissection with Axillary Radiation for Patients with Node-Positive Breast Cancer Treated with Chemotherapy (opens in a new tab)
Active, not recruitingPhase 3
Breast NeoplasmsBreast DiseasesAxillary Radiation TherapyNodal Radiation Therapy
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Dawn Johnson Leonard received $606 in industry payments from 2016 to 2024
CMS Open Payments shows 20 general payments to Dr. Leonard from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Endomagnetics Ltd paid the most, $304.
General payments to Dr. Leonard by program year, 2016 to 2024
Companies that paid Dr. Leonard the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dawn Johnson Leonard graduated from Howard University College of Medicine
Dr. Leonard graduated from Howard University College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dawn Johnson Leonard'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)Doctors and Clinicians Utilization Data (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. Dawn Johnson Leonard
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. Dawn Johnson Leonard's NPI number?
Dr. Dawn Johnson Leonard's NPI number is 1063490167. It was assigned on January 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dawn Johnson Leonard?
Dr. Dawn Johnson Leonard is a general surgeon in Newark, Delaware. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Dawn Johnson Leonard practice?
Dr. Leonard practices at 4755 Ogletown Stanton Road, Newark, DE 19713. Dr. Leonard's primary practice is ChristianaCare Adult Outpatient Psychiatry & Therapy in Newark, Delaware. Dmand AI also links Dr. Leonard to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 hospice.
What is Dr. Dawn Johnson Leonard's office phone number?
The practice phone on file for Dr. Leonard is (302) 320-2926.
What is Dr. Dawn Johnson Leonard's medical license number?
Dr. Leonard holds Maryland license D0063740, one of the licenses on file in 3 states.
Which states has Dr. Dawn Johnson Leonard been licensed in?
Dmand AI has state licenses on file for Dr. Leonard in Maryland, District of Columbia and Delaware.
Which hospitals is Dr. Dawn Johnson Leonard affiliated with?
Dr. Leonard is affiliated with Holy Cross Hospital. Dmand AI links Dr. Leonard to 1 more hospital.
What medical group is Dr. Dawn Johnson Leonard part of?
Dr. Leonard is linked to ChristianaCare. Dmand AI links Dr. Leonard to 2 more medical groups.
Does Dr. Dawn Johnson Leonard accept Medicare?
Yes. CMS data shows Dr. Leonard billed Medicare for 202 services in 2024, and Dr. Leonard accepts Medicare assignment.
How many Medicare patients does Dr. Dawn Johnson Leonard see?
CMS counts 101 Medicare patients who saw Dr. Leonard in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Dawn Johnson Leonard bill to Medicare?
In 2024, Dr. Leonard's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and surgery: skin and soft tissue (19301).
Where did Dr. Dawn Johnson Leonard go to medical school?
Dr. Leonard graduated from Howard University College of Medicine in 1996.
What drugs does Dr. Dawn Johnson Leonard prescribe most?
In 2024 Medicare Part D data, Dr. Leonard's most prescribed drugs by claims were Ibuprofen, Lidocaine-Prilocaine and Anastrozole.
Has Dr. Dawn Johnson Leonard received payments from drug or device companies?
CMS Open Payments shows $606 in general payments to Dr. Leonard from 7 companies from 2016 to 2024. The largest total came from Endomagnetics Ltd.
How long has Dr. Dawn Johnson Leonard been practicing?
Dr. Leonard graduated from medical school in 1996, 30 years ago.
Does Dr. Dawn Johnson Leonard do research?
Dmand AI links 3 publications to Dr. Leonard, published from 2021 to 2023. Dr. Leonard has worked on 1 clinical trial.
Who does Dr. Dawn Johnson Leonard publish with?
Dr. Leonard's most frequent co-authors are Nicholas J. Petrelli, MD (2 shared papers), Heather Bittner-Fagan, MD (1 shared paper) and Leroi S. Hicks, MD, MPH (1 shared paper).
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