Bayes TheoremEye MovementsImaging, Three-Dimensional
Dr. Winifred K. Leung, MD
NPI1396797049PAC ID5698967396
- Medicare services, 2024
- 18,777
- Medicare patients, 2024
- 2,764
- Publications
- 2
- Industry payments
- $80
- Affiliated sites
- 2
- Practice address
- 317 West Pueblo, Santa Barbara, CA 93105
- Practice phone
- Call (805) 681-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sansum Clinic
Surgery Center - Medicare-Certified · Santa Barbara, California
Find Dr. Leung's professional email, personal email and mobile number
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Dr. Winifred K. Leung is a diagnostic radiologist in Santa Barbara, California
Dr. Leung practices at Sansum Clinic in Santa Barbara, California.
Dr. Leung's NPI, 1396797049, was assigned on May 17, 2006. Dr. Leung graduated from Drexel University College Of Medicine in 2004. Dr. Leung holds California license A113766.
NPI and contact details
- NPI
- 1396797049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698967396
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 681-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Winifred K. Leung practices at Sansum Clinic in Santa Barbara, California
Dr. Leung's primary practice is Sansum Clinic, at 317 West Pueblo, Santa Barbara, CA 93105. The practice phone is (805) 681-7500.
- Sansum Clinic317 West Pueblo, Santa Barbara, CA 93105Phone(805) 681-7500
Source: Dmand AI Affiliation Data
Dr. Winifred K. Leung is affiliated with 2 sites of care and 2 medical groups
Dr. Leung's primary practice is Sansum Clinic in Santa Barbara, California. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Leung to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Leung's employer is on file too: a surgery center (asc).
Sansum ClinicPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Winifred K. Leung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leung practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sansum Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Winifred K. Leung is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Leung is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Leung's licenses on file in 2 states: California and Wisconsin.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Student in an organized health care education/training program, Wisconsin
Diagnostic radiologists near Dr. Leung
Counts of diagnostic radiologists 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. Winifred K. Leung billed Medicare for 18,777 services in 2024
CMS data shows 18,777 Medicare services from Dr. Leung across 14 procedure codes in 2024, for 2,764 Medicare patients. Medicare paid $639,236 for them. Every service was in an office.
Medicare services, 202418,777
Medicare patients2,764
Paid by Medicare$639,236
Procedure codes14
Dr. Leung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3,5982024: 12,983261%
- Imaging
- 2023: 5,3272024: 5,6797%
- Surgery
- 2023: 832024: 11539%
Dr. Leung compared with the California median for diagnostic radiologists, 2024
- Dr. Leung
- California median
- Medicare services
- 18,777vs 2,2818.2 times
- Medicare patients
- 2,764vs 1,3462.1 times
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Leung'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. Leung?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leung and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Winifred K. Leung treated 2,764 Medicare patients in 2024, average age 73
CMS counts 2,764 Medicare patients who saw Dr. Leung in 2024. The largest group is 65 to 74, with 1,692 patients. 72% of them have high cholesterol, and 49% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leung's median patient age at 62, with 99% women.
Medicare patients, 20242,764
Average age73
Average risk score0.81
Also on Medicaid8%
Dr. Leung's Medicare patients by age, 2024
Dr. Leung's Medicare patients by sex, 2024
- Women2,74899%
- Men161%
Chronic conditions among Dr. Leung's Medicare patients, 2024
- High cholesterol72%
- High blood pressure49%
- Arthritis48%
- Osteoporosis31%
- Mood disorders22%
- Cancer21%
- Depression20%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Winifred K. Leung takes part in Medicare
Dr. Leung 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. Winifred K. Leung has 2 publications on record
Dmand AI links 2 papers to Dr. Leung in 2021. The most frequent topics are Bayes Theorem. Dr. Leung's most frequent co-author is Daniel Lee Rubin, MD.
Papers2
Topics Dr. Leung writes about most
- Bayes Theorem
Dr. Leung's most frequent co-authors
- Daniel Lee Rubin, MD1 shared paper
Recent publications by Dr. Leung
Bayes TheoremBiopsyBreast Diseases
See who Dr. Leung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leung works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Winifred K. Leung received $80 in industry payments from 2018 to 2019
CMS Open Payments shows 3 general payments to Dr. Leung from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $39.
General payments to Dr. Leung by program year, 2018 to 2019
Companies that paid Dr. Leung the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Winifred K. Leung graduated from Drexel University College Of Medicine
Dr. Leung graduated from Drexel University College Of Medicine in 2004.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Winifred K. Leung accepts plans from 1 insurance carrier
Dr. Leung is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Winifred K. Leung'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) |
| 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 |
| 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. Winifred K. Leung
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. Winifred K. Leung's NPI number?
Dr. Winifred K. Leung's NPI number is 1396797049. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Winifred K. Leung?
Dr. Winifred K. Leung is a diagnostic radiologist in Santa Barbara, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Winifred K. Leung practice?
Dr. Leung practices at 317 West Pueblo, Santa Barbara, CA 93105. Dr. Leung's primary practice is Sansum Clinic in Santa Barbara, California. Dmand AI also links Dr. Leung to 1 group practice or clinic and 1 medical group.
What is Dr. Winifred K. Leung's office phone number?
The practice phone on file for Dr. Leung is (805) 681-7500.
What is Dr. Winifred K. Leung's medical license number?
Dr. Leung holds California license A113766, one of the licenses on file in 2 states.
Which states has Dr. Winifred K. Leung been licensed in?
Dmand AI has state licenses on file for Dr. Leung in California (2010 to 2026) and Wisconsin (2006 to 2011).
What medical group is Dr. Winifred K. Leung part of?
Dr. Leung is linked to SGMF Radiology. Dmand AI links Dr. Leung to 1 more medical group.
Does Dr. Winifred K. Leung accept Medicare?
Yes. CMS data shows Dr. Leung billed Medicare for 18,777 services in 2024, and Dr. Leung accepts Medicare assignment.
How many Medicare patients does Dr. Winifred K. Leung see?
CMS counts 2,764 Medicare patients who saw Dr. Leung in 2024, with an average age of 73.
Is Dr. Winifred K. Leung board certified?
Yes. Dr. Leung is board certified in diagnostic radiology by the American Board of Radiology.
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What services does Dr. Winifred K. Leung bill to Medicare?
In 2024, Dr. Leung's most billed Medicare services were medical supplies or transport (A9575), radiation oncology (77063) and radiation oncology (77067).
Where did Dr. Winifred K. Leung go to medical school?
Dr. Leung graduated from Drexel University College Of Medicine in 2004.
Has Dr. Winifred K. Leung received payments from drug or device companies?
CMS Open Payments shows $80 in general payments to Dr. Leung from 3 companies from 2018 to 2019. The largest total came from Hologic Inc.
How long has Dr. Winifred K. Leung been practicing?
Dr. Leung graduated from medical school in 2004, 22 years ago.
Does Dr. Winifred K. Leung do research?
Dmand AI links 2 publications to Dr. Leung.
Who does Dr. Winifred K. Leung publish with?
Dr. Leung's most frequent co-authors are Daniel Lee Rubin, MD (1 shared paper).
What insurance does Dr. Winifred K. Leung accept?
Dr. Leung is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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