Dr. Timothy Leung, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 15
- Hospital affiliations
- 2
- Industry payments
- $1,826
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leung'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. Timothy Leung is a plastic surgeon in Walnut Creek, California
Dr. Leung practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Leung's NPI, 1366510943, was assigned on December 1, 2006. Dr. Leung graduated from Keck School of Medicine of USC in 1995. Dr. Leung holds California license A060992.
- NPI
- 1366510943NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2006
- NPI status
- Active
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy Leung practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Leung's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. Timothy Leung is affiliated with 3 sites of care and 1 medical group
Dr. Leung's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. The medical group on file is John Muir Health. Dmand AI also links Dr. Leung to 1 more hospital and 1 physician office, 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. Timothy Leung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leung practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +2 more affiliated sites | 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 John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Timothy Leung is one of 778 plastic surgeons in California
Plastic surgery is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Leung is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Leung is licensed in California.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists removal of damaged skin or skin graft among the conditions Dr. Leung treats.
Plastic surgeons near Dr. Leung
Counts of plastic 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. Timothy Leung billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Leung across 1 procedure code in 2024, for 16 Medicare patients. Medicare paid $1,381 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 1220%
Dr. Leung compared with the California median for plastic surgeons, 2024
- Dr. Leung
- California median
- Medicare services
- 12vs 5879% below
- Medicare patients
- 16vs 5973% below
- Part D claims
- 32vs 2623% above
Medians across 622 plastic surgeons 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 plastic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Leung treated 16 Medicare patients in 2024, average age 74
CMS counts 16 Medicare patients who saw Dr. Leung in 2024. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leung's median patient age at 47, with 50% women.
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 47
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy Leung wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Leung wrote 15 Medicare Part D claims. 93% of them were for generic drugs. They cover 2 drugs, with $189 in total drug cost.
Dr. Leung's Part D claims by kind of drug, 2024
- Generic14 claims93%
- Brand-name and other1 claims7%
Dr. Leung's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Timothy Leung received $1,826 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Leung from 14 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $290.
General payments to Dr. Leung by program year, 2016 to 2024
Companies that paid Dr. Leung 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. Timothy Leung graduated from Keck School of Medicine of USC
Dr. Leung graduated from Keck School of Medicine of USC in 1995. Dr. Leung is a member of ASPS.
- Medical school
- Board certified in plastic surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Timothy 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. Timothy 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) |
| 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) |
| 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. Timothy 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. Timothy Leung's NPI number?
Dr. Timothy Leung's NPI number is 1366510943. It was assigned on December 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Leung?
Dr. Timothy Leung is a plastic surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Timothy Leung practice?
Dr. Leung practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Leung's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Leung to 1 hospital and 1 physician office.
What is Dr. Timothy Leung's office phone number?
The practice phone on file for Dr. Leung is (925) 939-3000.
What is Dr. Timothy Leung's medical license number?
Dr. Leung holds California license A060992.
Which hospitals is Dr. Timothy Leung affiliated with?
Dr. Leung practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dmand AI links Dr. Leung to 1 more hospital.
What medical group is Dr. Timothy Leung part of?
Dr. Leung is linked to John Muir Health.
Does Dr. Timothy Leung accept Medicare?
Yes. CMS data shows Dr. Leung billed Medicare for 12 services in 2024.
How many Medicare patients does Dr. Timothy Leung see?
CMS counts 16 Medicare patients who saw Dr. Leung in 2024, with an average age of 74.
Is Dr. Timothy Leung board certified?
Yes. Dr. Leung is board certified in plastic surgery by the American Board of Plastic Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Timothy Leung bill to Medicare?
In 2024, Dr. Leung's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Timothy Leung go to medical school?
Dr. Leung graduated from Keck School of Medicine of USC in 1995.
What drugs does Dr. Timothy Leung prescribe most?
In 2022 Medicare Part D data, Dr. Leung's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.
Has Dr. Timothy Leung received payments from drug or device companies?
CMS Open Payments shows $1,826 in general payments to Dr. Leung from 14 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Timothy Leung been practicing?
Dr. Leung graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Timothy 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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