Dr. Jun Lei, MD
- Medicare services, 2023
- 74
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 232
- Publications
- 53
- Industry payments
- $3,933
- Practice address
- 133-29 41st Rd, Flushing, NY 11355
- Practice phone
- Call (347) 421-3665
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Weimin Medical
Flushing, New York
Find Dr. Lei'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. Jun Lei is an internist in Flushing, New York
Dr. Lei practices at Weimin Medical in Flushing, New York.
Dr. Lei's NPI, 1366688152, was assigned on December 28, 2008. Dr. Lei holds New York license 250716.
- NPI
- 1366688152NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739215393
- NPI enumeration date
- December 28, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (347) 421-3665
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jun Lei practices at Weimin Medical in Flushing, New York
Dr. Lei's primary practice is Weimin Medical, at 133-29 41st Rd, Flushing, NY 11355 in Queens County. The practice phone is (347) 421-3665.
- Weimin Medical133-29 41st Rd, Flushing, NY 11355 · Queens CountyPhone(347) 421-3665
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jun Lei is affiliated with 2 sites of care and 1 medical group
Dr. Lei's primary practice is Weimin Medical in Flushing, New York. The medical group on file is Weimin Medical PC. Dmand AI also links Dr. Lei 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. Jun Lei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Weimin Medical | 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. Jun Lei is one of 9,643 internists in New York
Internal medicine is Dr. Lei's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lei is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Lei
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. Jun Lei billed Medicare for 74 services in 2023
CMS data shows 74 Medicare services from Dr. Lei across 2 procedure codes in 2023, for 17 Medicare patients. Medicare paid $5,826 for them. Every service was in an office.
Dr. Lei's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1862023: 7460%
- Tests and treatments
- 2022: 112023: 0100%
- Surgery
- 2022: 122023: 0100%
Dr. Lei compared with the New York median for internists, 2023
- Dr. Lei
- New York median
- Medicare services
- 74vs 42683% below
- Medicare patients
- 17vs 15889% below
- Part D claims
- 109vs 62282% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Lei's most billed Medicare procedure codes, 2023
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. Lei and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jun Lei treated 17 Medicare patients in 2024, average age 70
CMS counts 17 Medicare patients who saw Dr. Lei in 2024. 71% of them have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lei's median patient age at 58, with 54% women.
Chronic conditions among Dr. Lei's Medicare patients, 2024
- High cholesterol71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jun Lei wrote 232 Medicare Part D claims in 2024
In 2024, Dr. Lei wrote 232 Medicare Part D claims for 65 patients. 85% of them were for generic drugs. CMS names the drug for 109 of them, across 3 drugs with 11 or more claims each, at $736 in total drug cost. In 2023, CMS named 193 claims across 7 drugs.
Dr. Lei's Part D claims by kind of drug, 2024
- Generic197 claims85%
- Brand-name and other35 claims15%
Dr. Lei'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1932024: 10944%
Drugs named by CMS: 3 in 2024, 7 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
Dr. Jun Lei offers telehealth to Medicare patients
Dr. Lei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lei as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jun Lei has 53 publications on record
Dmand AI links 53 papers to Dr. Lei, published from 2014 to 2025. 2017 was the busiest year, with 7. The most frequent topics are Inflammation, Placenta and Disease Models, Animal. Dr. Lei has published most often in Am J Reprod Immunol. Dr. Lei's most frequent co-authors are Irina D. Burd, MD, PhD, Michael McLane and Maide Ozen, MD.
Dr. Lei's papers by year, 2016 to 2025
Topics Dr. Lei writes about most
- Inflammation
- Placenta
- Disease Models, Animal
- Lipopolysaccharides
- Brain Injuries
- Premature Birth
- Brain
- Interleukin-1beta
Dr. Lei's most frequent co-authors
Recent publications by Dr. Lei
Am J Perinatol
Cell Biol Toxicol
See who Dr. Lei researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lei works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jun Lei received $3,933 in industry payments from 2016 to 2025
CMS Open Payments shows 192 general payments to Dr. Lei from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $780.
General payments to Dr. Lei by program year, 2016 to 2025
Companies that paid Dr. Lei the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jun Lei'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) |
| 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) |
| 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. Jun Lei
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. Jun Lei's NPI number?
Dr. Jun Lei's NPI number is 1366688152. It was assigned on December 28, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jun Lei?
Dr. Jun Lei is an internist in Flushing, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jun Lei practice?
Dr. Lei practices at 133-29 41st Rd, Flushing, NY 11355. Dr. Lei's primary practice is Weimin Medical in Flushing, New York. Dmand AI also links Dr. Lei to 1 group practice or clinic.
What is Dr. Jun Lei's office phone number?
The practice phone on file for Dr. Lei is (347) 421-3665.
What is Dr. Jun Lei's medical license number?
Dr. Lei holds New York license 250716.
What medical group is Dr. Jun Lei part of?
Dr. Lei is linked to Weimin Medical PC.
Does Dr. Jun Lei accept Medicare?
Yes. CMS data shows Dr. Lei billed Medicare for 74 services in 2023, and Dr. Lei accepts Medicare assignment.
Does Dr. Jun Lei offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lei as offering telehealth services.
How many Medicare patients does Dr. Jun Lei see?
CMS counts 17 Medicare patients who saw Dr. Lei in 2024, with an average age of 70.
What services does Dr. Jun Lei bill to Medicare?
In 2023, Dr. Lei's most billed Medicare services were care management and other visits (99443) and office visit, established patient (99213).
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What drugs does Dr. Jun Lei prescribe most?
In 2024 Medicare Part D data, Dr. Lei's most prescribed drugs by claims were Zolpidem Tartrate, Gabapentin and Clonazepam.
Has Dr. Jun Lei received payments from drug or device companies?
CMS Open Payments shows $3,933 in general payments to Dr. Lei from 22 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Jun Lei been practicing?
Dr. Lei graduated from medical school in 1986, 40 years ago.
Does Dr. Jun Lei do research?
Dmand AI links 53 publications to Dr. Lei, published from 2014 to 2025.
Who does Dr. Jun Lei publish with?
Dr. Lei's most frequent co-authors are Irina D. Burd, MD, PhD (51 shared papers), Michael McLane (16 shared papers) and Maide Ozen, MD (7 shared papers).
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