Dr. Hong Xu, MD

  • Port Jefferson Station, NY
  • Rheumatologist
NPI1922064625PAC ID2961423124
Medicare services, 2024
163,831
Medicare patients, 2024
890
Part D claims, 2024
2,829
Publications
19
MIPS score, 2024
91
Practice address
7 Medical Dr, Port Jefferson Station, NY 11776
Practice phone
Call (631) 360-7778
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rheumatology Associates of L.I.

Port Jefferson Station, New York

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Dr. Hong Xu is a rheumatologist in Port Jefferson Station, New York

Dr. Xu practices at Rheumatology Associates of L.I. in Port Jefferson Station, New York.

Dr. Xu's NPI, 1922064625, was assigned on April 22, 2006. Dr. Xu graduated from Shanghai Medical University in 1991. Dr. Xu holds New York license 235086.

NPI and contact details
Medicare PAC ID
2961423124
NPI enumeration date
April 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(631) 360-7778
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Hong Xu practices at Rheumatology Associates of L.I. in Port Jefferson Station, New York

Dr. Xu's primary practice is Rheumatology Associates of L.I., at 7 Medical Dr, Port Jefferson Station, NY 11776 in Suffolk County. The practice phone is (631) 360-7778.

  • Rheumatology Associates of L.I.
    7 Medical Dr, Port Jefferson Station, NY 11776 · Suffolk CountyPhone(631) 360-7778

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hong Xu is affiliated with 3 sites of care and 1 medical group

Dr. Xu's primary practice is Rheumatology Associates of L.I. in Port Jefferson Station, New York. Dr. Xu is also affiliated with Stony Brook University Hospital. The medical group on file is Rheumatology Associates of Long Island. Dmand AI also links Dr. Xu to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Xu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Hong Xu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xu practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rheumatology Associates of L.I.Available with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hong Xu is one of 514 rheumatologists in New York

Rheumatology is Dr. Xu's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Xu is licensed in New York.

Specialties and state licenses

  • Rheumatology, New YorkPrimaryLicense 235086 · taxonomy 207RR0500X

Rheumatologists near Dr. Xu

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

514rheumatologists in New York
2rheumatologists in Port Jefferson Station

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hong Xu billed Medicare for 163,831 services in 2024

CMS data shows 163,831 Medicare services from Dr. Xu across 31 procedure codes in 2024, for 890 Medicare patients. Medicare paid $1,910,412 for them. Every service was in an office.

Medicare services, 2024163,831
Medicare patients890
Paid by Medicare$1.9M
Procedure codes31

Dr. Xu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 137,2562024: 158,69016%
Office and hospital visits
2023: 1,5742024: 1,82016%
Tests and treatments
2023: 1,1632024: 1,41221%
Surgery
2023: 9232024: 1,09719%
Other services
2023: 02024: 519
Lab and pathology
2023: 5022024: 20459%
Imaging
2023: 782024: 8914%

Dr. Xu compared with the New York median for rheumatologists, 2024

  • Dr. Xu
  • New York median
Medicare services
163,831vs 565290.0 times
Medicare patients
890vs 1765.1 times
Part D claims
2,546vs 9212.8 times

Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.

Dr. Xu'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.

See all procedures by Dr. Xu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Hong Xu treated 890 Medicare patients in 2024, average age 74

CMS counts 890 Medicare patients who saw Dr. Xu in 2024. The largest group is 65 to 74, with 367 patients. 75% of them have arthritis, and 75% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Xu's median patient age at 65, with 74% women.

Medicare patients, 2024890
Average age74
Average risk score1.44
Also on Medicaid9%

Dr. Xu's Medicare patients by age, 2024

Dr. Xu's Medicare patients by sex, 2024

  • Women66675%
  • Men22425%

Chronic conditions among Dr. Xu's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Osteoporosis61%
  5. Diabetes34%
  6. Ischemic heart disease34%
  7. Mood disorders29%
  8. Anxiety28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Xu'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

  • Women74%
  • Men23%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Hong Xu wrote 2,829 Medicare Part D claims in 2024

In 2024, Dr. Xu wrote 2,829 Medicare Part D claims for 543 patients. 79% of them were for generic drugs. CMS names the drug for 2,546 of them, across 37 drugs with 11 or more claims each, at $4,411,217 in total drug cost. In 2023, CMS named 2,157 claims across 32 drugs.

Part D claims, 20242,829
Drugs named by CMS37
Total drug cost$4.4M
Part D patients543

Dr. Xu's Part D claims by kind of drug, 2024

  • Generic2,243 claims79%
  • Brand-name and other586 claims21%

Dr. Xu'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.

Drug classes CMS tracks in Dr. Xu's Part D claims, 2024

  • Opioids2%60 of 2,829 claims
  • Antibiotics1%39 of 2,829 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1572024: 2,54618%

Drugs named by CMS: 37 in 2024, 32 in 2023.

See all prescribing by Dr. Xu

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. Hong Xu scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Xu for performance year 2024, reported as part of a group. Dr. Xu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Xu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Xu's MIPS scores, performance year 2024

  • 91of 100Final score
  • 82.3of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Hong Xu has 19 publications on record

Dmand AI links 19 papers to Dr. Xu, published from 2013 to 2024. 2022 was the busiest year, with 3. The most frequent topics are Surgery, Plastic, Artificial Intelligence and Plastic Surgery Procedures. Dr. Xu has published most often in Aesthet Surg J. Dr. Xu's most frequent co-authors are Joshua Joseph Vorstenbosch, MD, PhD, FRCSC, Brian Bassiri-Tehrani, MD and Foad Nahai, MD.

Papers19
Years published2013 to 2024

Dr. Xu's papers by year, 2013 to 2024

Topics Dr. Xu writes about most

  • Surgery, Plastic
  • Artificial Intelligence
  • Plastic Surgery Procedures
  • Benzothiazoles
  • Cell Line, Tumor
  • DNA Damage
  • DNA Repair
  • Genomics

Dr. Xu's most frequent co-authors

Recent publications by Dr. Xu

See all 19 publications and co-authors

See who Dr. Xu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Xu works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Hong Xu received $64,011 in industry payments from 2016 to 2025

CMS Open Payments shows 2,116 general payments to Dr. Xu from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 63% of the total. Abbvie Inc. paid the most, $25,757.

General payments to Dr. Xu by program year, 2016 to 2025

General payments to Dr. Xu by kind, 2016 to 2025

$64Kin total
  • Food and beverage$40,29763%
  • Speaker and faculty fees$19,75031%
  • Consulting fees$3,3355%
  • Education$6281%

Companies that paid Dr. Xu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Xu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hong Xu graduated from Shanghai Medical University

Dr. Xu graduated from Shanghai Medical University in 1991.

  1. Medical schoolShanghai Medical University

Source: Dmand AI Professional Profile Data

Sources for Dr. Hong Xu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hong Xu

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. Hong Xu's NPI number?

Dr. Hong Xu's NPI number is 1922064625. It was assigned on April 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Hong Xu?

Dr. Hong Xu is a rheumatologist in Port Jefferson Station, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Hong Xu practice?

Dr. Xu practices at 7 Medical Dr, Port Jefferson Station, NY 11776. Dr. Xu's primary practice is Rheumatology Associates of L.I. in Port Jefferson Station, New York. Dmand AI also links Dr. Xu to 1 group practice or clinic.

What is Dr. Hong Xu's office phone number?

The practice phone on file for Dr. Xu is (631) 360-7778.

What is Dr. Hong Xu's medical license number?

Dr. Xu holds New York license 235086.

Which hospitals is Dr. Hong Xu affiliated with?

Dr. Xu is affiliated with Stony Brook University Hospital.

What medical group is Dr. Hong Xu part of?

Dr. Xu is linked to Rheumatology Associates of Long Island.

Does Dr. Hong Xu accept Medicare?

Yes. CMS data shows Dr. Xu billed Medicare for 163,831 services in 2024, and Dr. Xu accepts Medicare assignment.

Does Dr. Hong Xu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Xu as offering telehealth services.

What is Dr. Hong Xu's MIPS score?

Dr. Xu's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Hong Xu see?

CMS counts 890 Medicare patients who saw Dr. Xu in 2024, with an average age of 74.

What services does Dr. Hong Xu bill to Medicare?

In 2024, Dr. Xu's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J3262) and injected or infused drug (J0897).

Where did Dr. Hong Xu go to medical school?

Dr. Xu graduated from Shanghai Medical University in 1991.

What drugs does Dr. Hong Xu prescribe most?

In 2024 Medicare Part D data, Dr. Xu's most prescribed drugs by claims were Prednisone, Methotrexate and Hydroxychloroquine Sulfate.

Has Dr. Hong Xu received payments from drug or device companies?

CMS Open Payments shows $64,011 in general payments to Dr. Xu from 40 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Hong Xu been practicing?

Dr. Xu graduated from medical school in 1991, 35 years ago.

Does Dr. Hong Xu do research?

Dmand AI links 19 publications to Dr. Xu, published from 2013 to 2024.

Who does Dr. Hong Xu publish with?

Dr. Xu's most frequent co-authors are Joshua Joseph Vorstenbosch, MD, PhD, FRCSC (4 shared papers), Brian Bassiri-Tehrani, MD (2 shared papers) and Foad Nahai, MD (2 shared papers).

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