Dr. Darren Sze Mynn Leong, MD
- Part D claims, 2024
- 48
- Publications
- 2
- Industry payments
- $1,084
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Dr. Leong'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. Darren Sze Mynn Leong is a plastic surgeon in Fontana, California
Dr. Leong practices at Fontana Medical Center in Fontana, California.
Dr. Leong's NPI, 1700061702, was assigned on January 8, 2008. Dr. Leong graduated from David Geffen School of Medicine at UCLA in 2001. Dr. Leong holds California license A82616.
- NPI
- 1700061702NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2008
- NPI status
- Active
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Darren Sze Mynn Leong practices at Fontana Medical Center in Fontana, California
Dr. Leong's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Darren Sze Mynn Leong is affiliated with 2 sites of care and 1 medical group
Dr. Leong's primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Leong to 1 more group practice or clinic, 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. Darren Sze Mynn Leong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darren Sze Mynn Leong is one of 778 plastic surgeons in California
Plastic surgery is Dr. Leong's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Leong is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Leong is licensed in California.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists head wound among the conditions Dr. Leong treats.
Plastic surgeons near Dr. Leong
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. Darren Sze Mynn Leong's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Leong's median patient age at 61, with 63% women.
Dr. Leong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Darren Sze Mynn Leong wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Leong wrote 48 Medicare Part D claims for 30 patients. 94% of them were for generic drugs. CMS names the drug for 28 of them, across 1 drug with 11 or more claims each, at $330 in total drug cost. In 2023, CMS named 30 claims across 1 drug.
Dr. Leong's Part D claims by kind of drug, 2024
- Generic45 claims94%
- Brand-name and other3 claims6%
Dr. Leong'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. Leong's Part D claims, 2024
- Antibiotics63%30 of 48 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: 302024: 287%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Darren Sze Mynn Leong has 2 publications on record
Dmand AI links 2 papers to Dr. Leong in 2023. 2023 was the busiest year, with 2. Dr. Leong's most frequent co-authors are Walter Ting Yu Chang, MD, Mark Jonathan Landau, MD, PhD and Aldin Malkoc, MD.
Dr. Leong's most frequent co-authors
- Walter Ting Yu Chang, MD2 shared papers
- Mark Jonathan Landau, MD, PhD2 shared papers
- Aldin Malkoc, MD2 shared papers
Recent publications by Dr. Leong
See who Dr. Leong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leong works with, so you can find a warm path to the right plastic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Darren Sze Mynn Leong received $1,084 in industry payments from 2019 to 2025
CMS Open Payments shows 17 general payments to Dr. Leong from 5 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 53% of the total. Stryker Corporation paid the most, $614.
General payments to Dr. Leong by program year, 2019 to 2025
General payments to Dr. Leong by kind, 2019 to 2025
- Food and beverage$57153%
- Travel and lodging$51347%
Companies that paid Dr. Leong the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Darren Sze Mynn Leong graduated from David Geffen School of Medicine at UCLA
Dr. Leong graduated from David Geffen School of Medicine at UCLA in 2001.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Darren Sze Mynn Leong accepts plans from 2 insurance carriers
Dr. Leong is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Leong accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Darren Sze Mynn Leong'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Darren Sze Mynn Leong
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. Darren Sze Mynn Leong's NPI number?
Dr. Darren Sze Mynn Leong's NPI number is 1700061702. It was assigned on January 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Darren Sze Mynn Leong?
Dr. Darren Sze Mynn Leong is a plastic surgeon in Fontana, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Darren Sze Mynn Leong practice?
Dr. Leong practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Leong's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Leong to 1 group practice or clinic.
What is Dr. Darren Sze Mynn Leong's office phone number?
The practice phone on file for Dr. Leong is (909) 427-3910.
What is Dr. Darren Sze Mynn Leong's medical license number?
Dr. Leong holds California license A82616.
What medical group is Dr. Darren Sze Mynn Leong part of?
Dr. Leong is linked to Southern California Permanente Medical Group.
Is Dr. Darren Sze Mynn Leong board certified?
Yes. Dr. Leong is board certified in plastic surgery by the American Board of Plastic Surgery.
Where did Dr. Darren Sze Mynn Leong go to medical school?
Dr. Leong graduated from David Geffen School of Medicine at UCLA in 2001.
What drugs does Dr. Darren Sze Mynn Leong prescribe most?
In 2024 Medicare Part D data, Dr. Leong's most prescribed drugs by claims were Cephalexin.
Has Dr. Darren Sze Mynn Leong received payments from drug or device companies?
CMS Open Payments shows $1,084 in general payments to Dr. Leong from 5 companies from 2019 to 2025. The largest total came from Stryker Corporation.
Show 4 more questionsShow fewer questions
How long has Dr. Darren Sze Mynn Leong been practicing?
Dr. Leong graduated from medical school in 2001, 25 years ago.
Does Dr. Darren Sze Mynn Leong do research?
Dmand AI links 2 publications to Dr. Leong.
Who does Dr. Darren Sze Mynn Leong publish with?
Dr. Leong's most frequent co-authors are Walter Ting Yu Chang, MD (2 shared papers), Mark Jonathan Landau, MD, PhD (2 shared papers) and Aldin Malkoc, MD (2 shared papers).
What insurance does Dr. Darren Sze Mynn Leong accept?
Dr. Leong is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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