Dr. Samson Leung, MD
- Medicare services, 2024
- 211
- Medicare patients, 2024
- 283
- Hospital affiliations
- 2
- Industry payments
- $340
- Medical groups
- 2
- Practice address
- 999 San Bernardino Road, Upland, CA 91786
- Practice phone
- Call (909) 985-2811
- 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. Samson Leung is an anesthesiologist in Upland, California
Dr. Leung practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Dr. Leung's NPI, 1467472092, was assigned on July 19, 2006. Dr. Leung graduated from UT Southwestern Medical Center in 2002. Dr. Leung holds Texas license Q7577.
- NPI
- 1467472092NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608871397
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 985-2811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samson Leung practices at San Antonio Regional Hospital in Upland, California
Dr. Leung's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.
- San Antonio Regional Hospital999 San Bernardino Road, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-2811
Source: Dmand AI Affiliation Data
Dr. Samson Leung is affiliated with 2 sites of care and 2 medical groups
Dr. Leung's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dr. Leung is also affiliated with Casa Colina Hospital and Centers for Healthcare. The medical group on file is Allied Anesthesia Medical Group. Dmand AI also links Dr. Leung to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samson 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 |
|---|---|
| San Antonio Regional Hospital | Available with a free account |
| +1 more site and 1 medical group | 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 San Antonio Regional Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Samson Leung is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Leung is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Leung's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- California license
Anesthesiologists near Dr. Leung
Counts of anesthesiologists 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. Samson Leung billed Medicare for 211 services in 2024
CMS data shows 211 Medicare services from Dr. Leung across 10 procedure codes in 2024, for 283 Medicare patients. Medicare paid $30,499 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
- Anesthesia
- 2023: 1052024: 16658%
- Surgery
- 2023: 02024: 33
- Imaging
- 2023: 02024: 12
Dr. Leung compared with the California median for anesthesiologists, 2024
- Dr. Leung
- California median
- Medicare services
- 211vs 722.9 times
- Medicare patients
- 283vs 14398% above
Medians across 5,562 anesthesiologists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leung and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samson Leung treated 283 Medicare patients in 2024, average age 75
CMS counts 283 Medicare patients who saw Dr. Leung in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.99, 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. Leung's median patient age at 65, with 61% women.
Dr. Leung's Medicare patients by age, 2024
Dr. Leung's Medicare patients by sex, 2024
- Women14953%
- Men13447%
Chronic conditions among Dr. Leung's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes44%
- Ischemic heart disease43%
- Chronic kidney disease38%
- Mood disorders29%
- Depression27%
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 65
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Samson 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. Samson Leung received $340 in industry payments from 2016 to 2023
CMS Open Payments shows 20 general payments to Dr. Leung from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $128.
General payments to Dr. Leung by program year, 2016 to 2023
Companies that paid Dr. Leung the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samson Leung graduated from UT Southwestern Medical Center
Dr. Leung graduated from UT Southwestern Medical Center in 2002. Dr. Leung is a member of ASA.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Samson 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. Samson 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) |
| 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. Samson 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. Samson Leung's NPI number?
Dr. Samson Leung's NPI number is 1467472092. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samson Leung?
Dr. Samson Leung is an anesthesiologist in Upland, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Samson Leung practice?
Dr. Leung practices at 999 San Bernardino Road, Upland, CA 91786. Dr. Leung's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dmand AI also links Dr. Leung to 1 medical group.
What is Dr. Samson Leung's office phone number?
The practice phone on file for Dr. Leung is (909) 985-2811.
What is Dr. Samson Leung's medical license number?
Dr. Leung holds Texas license Q7577, one of the licenses on file in 2 states.
Which states has Dr. Samson Leung been licensed in?
Dmand AI has state licenses on file for Dr. Leung in Texas (2016 to 2027) and California (2003 to 2027).
Which hospitals is Dr. Samson Leung affiliated with?
Dr. Leung practices at San Antonio Regional Hospital in Upland, California. Dr. Leung is also affiliated with Casa Colina Hospital and Centers for Healthcare.
What medical group is Dr. Samson Leung part of?
Dr. Leung is linked to Allied Anesthesia Medical Group. Dmand AI links Dr. Leung to 1 more medical group.
Does Dr. Samson Leung accept Medicare?
Yes. CMS data shows Dr. Leung billed Medicare for 211 services in 2024, and Dr. Leung accepts Medicare assignment.
How many Medicare patients does Dr. Samson Leung see?
CMS counts 283 Medicare patients who saw Dr. Leung in 2024, with an average age of 75.
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Is Dr. Samson Leung board certified?
Yes. Dr. Leung is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Samson Leung bill to Medicare?
In 2024, Dr. Leung's most billed Medicare services were anesthesia (00731), anesthesia (01402) and anesthesia (00811).
Where did Dr. Samson Leung go to medical school?
Dr. Leung graduated from UT Southwestern Medical Center in 2002.
Has Dr. Samson Leung received payments from drug or device companies?
CMS Open Payments shows $340 in general payments to Dr. Leung from 6 companies from 2016 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Samson Leung been practicing?
Dr. Leung graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Samson 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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