Jennie Xu, MD
Emergency Medicine Physician · Brooklyn, NY
Jennie Xu, MD is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1528649449, issued on Apr 21, 2021. Check the license (New York 328790, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jennie Xu
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 328790 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4802 10TH Ave, Brooklyn, NY 11219
- Phone
- (718) 283-7965
- Enumerated
- Apr 21, 2021
- Record last updated
- Sep 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20240513002350); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 4802 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennie Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 328790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
12 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennie Xu among 5,025 emergency medicine physician records in New York
Jennie Xu, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 7% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2021 · median 2013 among the 3,232 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Cornelius Cooper, M.D.Brooklyn, NY 112191033295001
- Steven Davidson, MDBrooklyn, NY 112191376545020
- Thomas Fuchs, M.D.Brooklyn, NY 112191285680496
- Theodore Glassman, M.D.,Brooklyn, NY 112191649362450
- Jerry Guzik, DOBrooklyn, NY 112191437248432
- David Lobel, MDBrooklyn, NY 112191285710681
- John Marshall, M.D.Brooklyn, NY 112191477569366
- Sergey Motov, MDBrooklyn, NY 112191700810991
Common questions
What is Jennie Xu, MD's NPI number?
Jennie Xu, MD's National Provider Identifier (NPI) is 1528649449, issued on Apr 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jennie Xu, MD located?
The NPPES record lists a practice address at 4802 10TH Ave, Brooklyn, NY, 11219. Phone: (718) 283-7965. Providers update this record themselves, so call before visiting.
How can I verify Jennie Xu, MD's license?
NPPES lists New York license number 328790, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennie Xu, MD prescribe under Medicare Part D?
In 2024, Jennie Xu, MD had 12 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.