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Dr. Liza Leung, MD
NPI1174787154PAC ID0749442069
- Medicare services, 2024
- 472
- Medicare patients, 2024
- 469
- Part D claims, 2024
- 73
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 1 Heros Way, Riverhead, NY 11901
- Practice phone
- Call (631) 548-6000
- 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. Liza Leung is an emergency medicine physician in Riverhead, New York
Dr. Leung practices at Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health.
Dr. Leung's NPI, 1174787154, was assigned on July 18, 2008. Dr. Leung graduated from Washington University in St. Louis School of Medicine in 2007. Dr. Leung holds New York license 254798.
NPI and contact details
- NPI
- 1174787154NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749442069
- NPI enumeration date
- July 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 548-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Liza Leung practices at 2 locations in Riverhead, New York
Dr. Leung's primary practice is Peconic Bay Medical Center, at 1 Heros Way, Riverhead, NY 11901 in Suffolk County. The practice phone is (631) 548-6000. Dr. Leung also practices at Peconic Bay Medical Center, 1300 Roanoke Ave, Riverhead, NY 11901.
- Peconic Bay Medical CenterPrimary1 Heros Way, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
- Peconic Bay Medical Center1300 Roanoke Ave, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Liza Leung is affiliated with 4 sites of care and 5 medical groups
Dr. Leung's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dr. Leung is also affiliated with Stony Brook University Hospital. The medical group on file is Stony Brook Emergency Physicians. Dmand AI also links Dr. Leung to 4 more medical groups and 2 group practices and clinics, each named with a free account.
Stony Brook University HospitalStony Brook Emergency Physicians4 medical groupsNames with a free account2 group practices and clinicsNames with a free account
See all 9 affiliations for Dr. LeungSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Liza Leung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leung practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peconic Bay Medical Center | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Liza Leung is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leung is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Leung's licenses on file in 2 states: New York and Texas.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
- Emergency medical services (emergency medicine), Texas
Emergency medicine physicians near Dr. Leung
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
3,709emergency medicine physicians in New York23emergency medicine physicians in Riverhead17emergency medicine physicians at Peconic Bay Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Liza Leung billed Medicare for 472 services in 2024
CMS data shows 472 Medicare services from Dr. Leung across 3 procedure codes in 2024, for 469 Medicare patients. Medicare paid $63,762 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024472
Medicare patients469
Paid by Medicare$63,762
Procedure codes3
Dr. Leung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5102024: 4727%
Dr. Leung compared with the New York median for emergency medicine physicians, 2024
- Dr. Leung
- New York median
- Medicare services
- 472vs 2192.2 times
- Medicare patients
- 469vs 2162.2 times
- Part D claims
- 11vs 2962% below
Medians across 3,510 emergency medicine physicians in New York 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 emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Liza Leung treated 469 Medicare patients in 2024, average age 76
CMS counts 469 Medicare patients who saw Dr. Leung in 2024. The largest group is 75 to 84, with 176 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.95, 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 53, with 51% women.
Medicare patients, 2024469
Average age76
Average risk score1.95
Also on Medicaid27%
Dr. Leung's Medicare patients by age, 2024
Dr. Leung's Medicare patients by sex, 2024
- Women25053%
- Men21947%
Chronic conditions among Dr. Leung's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease52%
- Anxiety40%
- Diabetes40%
- Mood disorders40%
- Chronic kidney disease36%
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 53
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Liza Leung wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Leung wrote 73 Medicare Part D claims for 50 patients. 92% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $36 in total drug cost. In 2019, CMS named 14 claims across 1 drug.
Part D claims, 202473
Drugs named by CMS1
Total drug cost$36
Part D patients50
Dr. Leung's Part D claims by kind of drug, 2024
- Generic67 claims92%
- Brand-name and other6 claims8%
Dr. Leung's most prescribed drugs by claims, 2023
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. Leung's Part D claims, 2024
- Opioids15%11 of 73 claims
- Antibiotics36%26 of 73 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, 2019 to 2023
- 2019
- 2023
- Claims for drugs CMS names
- 2019: 142023: 1121%
Drugs named by CMS: 1 in 2023, 1 in 2019.
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. Liza 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. Liza Leung has 1 publication on record
Dmand AI links 1 paper to Dr. Leung.
Papers1
Recent publications by Dr. Leung
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 emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Liza Leung received $547 in industry payments from 2016 to 2017
CMS Open Payments shows 7 general payments to Dr. Leung from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $150.
General payments to Dr. Leung by program year, 2016 to 2017
Companies that paid Dr. Leung the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Liza Leung graduated from Washington University in St. Louis School of Medicine
Dr. Leung graduated from Washington University in St. Louis School of Medicine in 2007.
- Medical school
- Board certified in emergency medicine
- Board certified in medical toxicology
Source: Dmand AI Professional Profile Data
Sources for Dr. Liza 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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 |
| 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. Liza 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. Liza Leung's NPI number?
Dr. Liza Leung's NPI number is 1174787154. It was assigned on July 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Liza Leung?
Dr. Liza Leung is an emergency medicine physician in Riverhead, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Liza Leung practice?
Dr. Leung practices at 1 Heros Way, Riverhead, NY 11901. Dr. Leung also practices at 1300 Roanoke Ave, Riverhead, NY 11901. Dr. Leung's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dmand AI also links Dr. Leung to 4 medical groups and 2 group practices and clinics.
What is Dr. Liza Leung's office phone number?
The practice phone on file for Dr. Leung is (631) 548-6000.
What is Dr. Liza Leung's medical license number?
Dr. Leung holds New York license 254798, one of the licenses on file in 2 states.
Which states has Dr. Liza Leung been licensed in?
Dmand AI has state licenses on file for Dr. Leung in New York and Texas.
Which hospitals is Dr. Liza Leung affiliated with?
Dr. Leung practices at Peconic Bay Medical Center in Riverhead, New York. Dr. Leung is also affiliated with Stony Brook University Hospital.
What medical group is Dr. Liza Leung part of?
Dr. Leung is linked to Stony Brook Emergency Physicians. Dmand AI links Dr. Leung to 4 more medical groups.
Does Dr. Liza Leung accept Medicare?
Yes. CMS data shows Dr. Leung billed Medicare for 472 services in 2024, and Dr. Leung accepts Medicare assignment.
How many Medicare patients does Dr. Liza Leung see?
CMS counts 469 Medicare patients who saw Dr. Leung in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
Is Dr. Liza Leung board certified?
Yes. Dr. Leung is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Liza Leung bill to Medicare?
In 2024, Dr. Leung's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Liza Leung go to medical school?
Dr. Leung graduated from Washington University in St. Louis School of Medicine in 2007.
What drugs does Dr. Liza Leung prescribe most?
In 2023 Medicare Part D data, Dr. Leung's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Liza Leung received payments from drug or device companies?
CMS Open Payments shows $547 in general payments to Dr. Leung from 4 companies from 2016 to 2017. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Liza Leung been practicing?
Dr. Leung graduated from medical school in 2007, 19 years ago.
Does Dr. Liza Leung do research?
Dmand AI links 1 publication to Dr. Leung.
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