Dr. Aretina K. Leung, MD
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 390
- Hospital affiliations
- 1
- Industry payments
- $25
- Medical group
- 1
- Practice address
- 5 Cuba Hill Road, Greenlawn, NY 11740
- Practice phone
- Call (631) 628-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mount Sinai Doctors-Greenlawn
Mammography / Breast Imaging Center · Greenlawn, New York
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. Aretina K. Leung is an internist in Greenlawn, New York
Dr. Leung practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York.
Dr. Leung's NPI, 1992384986, was assigned on April 6, 2021. Dr. Leung holds New York license 327947.
- NPI
- 1992384986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022427582
- NPI enumeration date
- April 6, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 628-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aretina K. Leung practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York
Dr. Leung's primary practice is Mount Sinai Doctors-Greenlawn, at 5 Cuba Hill Road, Greenlawn, NY 11740. The practice phone is (631) 628-5000.
- Mount Sinai Doctors-Greenlawn5 Cuba Hill Road, Greenlawn, NY 11740Phone(631) 628-5000
Source: Dmand AI Affiliation Data
Dr. Aretina K. Leung is affiliated with 3 sites of care and 1 medical group
Dr. Leung's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. Dr. Leung is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Leung to 1 more group practice or clinic, named with a free account. Dr. Leung's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aretina K. 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 |
|---|---|
| Mount Sinai Doctors-Greenlawn | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aretina K. Leung is one of 9,643 internists in New York
Internal medicine is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leung is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Leung
Counts of internists 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. Aretina K. Leung treated 19 Medicare patients in 2024, average age 76
CMS counts 19 Medicare patients who saw Dr. Leung in 2024. 63% of them have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leung's median patient age at 40, with 76% women.
Chronic conditions among Dr. Leung's Medicare patients, 2024
- High blood pressure63%
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 40
Patient panel by sex, all payers
- Women76%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aretina K. Leung wrote 390 Medicare Part D claims in 2024
In 2024, Dr. Leung wrote 390 Medicare Part D claims for 87 patients. 87% of them were for generic drugs. CMS names the drug for 177 of them, across 9 drugs with 11 or more claims each, at $1,836 in total drug cost.
Dr. Leung's Part D claims by kind of drug, 2024
- Generic339 claims87%
- Brand-name and other51 claims13%
Dr. Leung'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.
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. Aretina K. 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. Aretina K. Leung received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Leung from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $25.
Companies that paid Dr. Leung the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Aretina K. 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Aretina K. 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. Aretina K. Leung's NPI number?
Dr. Aretina K. Leung's NPI number is 1992384986. It was assigned on April 6, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Aretina K. Leung?
Dr. Aretina K. Leung is an internist in Greenlawn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aretina K. Leung practice?
Dr. Leung practices at 5 Cuba Hill Road, Greenlawn, NY 11740. Dr. Leung's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. Dmand AI also links Dr. Leung to 1 group practice or clinic.
What is Dr. Aretina K. Leung's office phone number?
The practice phone on file for Dr. Leung is (631) 628-5000.
What is Dr. Aretina K. Leung's medical license number?
Dr. Leung holds New York license 327947.
Which hospitals is Dr. Aretina K. Leung affiliated with?
Dr. Leung is affiliated with The Mount Sinai Hospital.
What medical group is Dr. Aretina K. Leung part of?
Dr. Leung is linked to Mount Sinai Doctors Long Island.
Does Dr. Aretina K. Leung accept Medicare?
Yes. CMS lists Dr. Leung as accepting Medicare assignment.
How many Medicare patients does Dr. Aretina K. Leung see?
CMS counts 19 Medicare patients who saw Dr. Leung in 2024, with an average age of 76.
What drugs does Dr. Aretina K. Leung prescribe most?
In 2024 Medicare Part D data, Dr. Leung's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Aretina K. Leung received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Leung from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Aretina K. Leung been practicing?
Dr. Leung graduated from medical school in 2021, 5 years ago.
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