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Dr. Benjamin Y. Leong, MD
NPI1629239165PAC ID1951476134
- Medicare services, 2024
- 85
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 24
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 2083 Compton Ave, Corona, CA 92881
- Practice phone
- Call (951) 468-8252
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Benjamin Y Leong MD Inc
Corona, 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. Benjamin Y. Leong is a general surgeon in Corona, California
Dr. Leong practices at Benjamin Y Leong MD Inc in Corona, California.
Dr. Leong's NPI, 1629239165, was assigned on June 18, 2008. Dr. Leong graduated from University of Toledo College of Medicine and Life Sciences in 2003. Dr. Leong holds California license A106797.
NPI and contact details
- NPI
- 1629239165NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951476134
- NPI enumeration date
- June 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 468-8252
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Y. Leong practices at Benjamin Y Leong MD Inc in Corona, California
Dr. Leong's primary practice is Benjamin Y Leong MD Inc, at 2083 Compton Ave, Corona, CA 92881 in Riverside County. The practice phone is (951) 468-8252.
- Benjamin Y Leong MD Inc2083 Compton Ave, Corona, CA 92881 · Riverside CountyPhone(951) 468-8252
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Benjamin Y. Leong is affiliated with 7 sites of care and 2 medical groups
Dr. Leong's primary practice is Benjamin Y Leong MD Inc in Corona, California. Dr. Leong is also affiliated with Corona Regional Medical Center. The medical group on file is United Medical Doctors. Dmand AI also links Dr. Leong to 2 more hospitals, 1 physician office, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Benjamin Y Leong MD IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Benjamin Y. Leong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leong practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Benjamin Y Leong MD Inc | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Y. Leong is one of 2,926 general surgeons in California
Surgery is Dr. Leong's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Leong is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Leong's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, colon removal and gallbladder removal among the conditions Dr. Leong treats.
General surgeons near Dr. Leong
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California
9general surgeons in Corona
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Benjamin Y. Leong billed Medicare for 85 services in 2024
CMS data shows 85 Medicare services from Dr. Leong across 2 procedure codes in 2024, for 56 Medicare patients. Medicare paid $10,119 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202485
Medicare patients56
Paid by Medicare$10,119
Procedure codes2
Dr. Leong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 662024: 8529%
Dr. Leong compared with the California median for general surgeons, 2024
- Dr. Leong
- California median
- Medicare services
- 85vs 16649% below
- Medicare patients
- 56vs 12154% below
- Part D claims
- 11vs 3468% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Leong'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. Leong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leong and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Y. Leong treated 56 Medicare patients in 2024, average age 76
CMS counts 56 Medicare patients who saw Dr. Leong in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Leong's median patient age at 52, with 63% women.
Medicare patients, 202456
Average age76
Average risk score2.38
Also on Medicaid45%
Dr. Leong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Leong's Medicare patients by sex, 2024
- Women3359%
- Men2341%
Chronic conditions among Dr. Leong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Mood disorders45%
- Atrial fibrillation41%
- Heart failure41%
- Depression39%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
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 52
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Y. Leong wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Leong wrote 24 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Part D claims, 202424
Drugs named by CMS1
Total drug cost$55
Dr. Leong's Part D claims by kind of drug, 2024
- Generic23 claims96%
- Brand-name and other1 claims4%
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.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 122024: 118%
Drugs named by CMS: 1 in 2024, 1 in 2020.
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. Benjamin Y. Leong takes part in Medicare
Dr. Leong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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. Benjamin Y. Leong has 1 publication on record
Dmand AI links 1 paper to Dr. Leong in 2011. Dr. Leong's most frequent co-author is Kevin R. Ward, MD.
Papers1
Dr. Leong's most frequent co-authors
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 general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Benjamin Y. Leong received $35,377 in industry payments from 2016 to 2025
CMS Open Payments shows 116 general payments to Dr. Leong from 11 drug and device companies from 2016 to 2025. Education make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $27,509.
General payments to Dr. Leong by program year, 2016 to 2025
General payments to Dr. Leong by kind, 2016 to 2025
$35.4Kin total
- Education$24,00068%
- Food and beverage$7,18420%
- Travel and lodging$4,19412%
Companies that paid Dr. Leong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Y. Leong has 1 award and honors on record
Dmand AI lists 1 award for Dr. Leong.
Awards and honors for Dr. Leong
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Benjamin Y. Leong graduated from University of Toledo College of Medicine and Life Sciences
Dr. Leong graduated from University of Toledo College of Medicine and Life Sciences in 2003. Dr. Leong is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Benjamin Y. Leong accepts plans from 16 insurance carriers
Dr. Leong is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Excellus BlueCross BlueShield
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- +8 more carriersWith a free account
Plan types Dr. Leong accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Benjamin Y. 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 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Benjamin Y. 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. Benjamin Y. Leong's NPI number?
Dr. Benjamin Y. Leong's NPI number is 1629239165. It was assigned on June 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Y. Leong?
Dr. Benjamin Y. Leong is a general surgeon in Corona, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Benjamin Y. Leong practice?
Dr. Leong practices at 2083 Compton Ave, Corona, CA 92881. Dr. Leong's primary practice is Benjamin Y Leong MD Inc in Corona, California. Dmand AI also links Dr. Leong to 2 hospitals, 1 physician office, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Benjamin Y. Leong's office phone number?
The practice phone on file for Dr. Leong is (951) 468-8252.
What is Dr. Benjamin Y. Leong's medical license number?
Dr. Leong holds California license A106797, one of the licenses on file in 2 states.
Which states has Dr. Benjamin Y. Leong been licensed in?
Dmand AI has state licenses on file for Dr. Leong in California (2009 to 2026) and Texas (2008 to 2009).
Which hospitals is Dr. Benjamin Y. Leong affiliated with?
Dr. Leong is affiliated with Corona Regional Medical Center. Dmand AI links Dr. Leong to 2 more hospitals.
What medical group is Dr. Benjamin Y. Leong part of?
Dr. Leong is linked to United Medical Doctors. Dmand AI links Dr. Leong to 1 more medical group.
Does Dr. Benjamin Y. Leong accept Medicare?
Yes. CMS data shows Dr. Leong billed Medicare for 85 services in 2024, and Dr. Leong accepts Medicare assignment.
How many Medicare patients does Dr. Benjamin Y. Leong see?
CMS counts 56 Medicare patients who saw Dr. Leong in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Benjamin Y. Leong board certified?
Yes. Dr. Leong is board certified in surgery by the American Board of Surgery.
What services does Dr. Benjamin Y. Leong bill to Medicare?
In 2024, Dr. Leong's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Benjamin Y. Leong go to medical school?
Dr. Leong graduated from University of Toledo College of Medicine and Life Sciences in 2003.
What drugs does Dr. Benjamin Y. Leong prescribe most?
In 2024 Medicare Part D data, Dr. Leong's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. Benjamin Y. Leong received payments from drug or device companies?
CMS Open Payments shows $35,377 in general payments to Dr. Leong from 11 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Benjamin Y. Leong been practicing?
Dr. Leong graduated from medical school in 2003, 23 years ago.
Does Dr. Benjamin Y. Leong do research?
Dmand AI links 1 publication to Dr. Leong.
Who does Dr. Benjamin Y. Leong publish with?
Dr. Leong's most frequent co-authors are Kevin R. Ward, MD (1 shared paper).
What insurance does Dr. Benjamin Y. Leong accept?
Dr. Leong is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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