Dr. Vivien M. Hsu, MD
- Medicare services, 2024
- 237
- Medicare patients, 2024
- 146
- Part D claims, 2024
- 1,650
- MIPS score, 2024
- 88
- Hospital affiliations
- 3
- Practice address
- One Robert Wood Johnson Place, New Brunswick, NJ 08901
- Practice phone
- Call (732) 828-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hsu's professional email, personal email and mobile number
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Dr. Vivien M. Hsu is a rheumatologist in New Brunswick, New Jersey
Dr. Hsu practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health.
Dr. Hsu's NPI, 1992875421, was assigned on November 9, 2006. Dr. Hsu graduated from Rutgers New Jersey Medical School in 1983. Dr. Hsu holds New Jersey license 25MA04721500.
- NPI
- 1992875421NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911921085
- NPI enumeration date
- November 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (732) 828-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vivien M. Hsu practices at 2 locations in New Brunswick, New Jersey
Dr. Hsu's primary practice is Robert Wood Johnson University Hospital, at One Robert Wood Johnson Place, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 828-3000. Dr. Hsu also practices at Robert Wood Johnson University Hospital - New Brunswick, 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901.
- Robert Wood Johnson University HospitalPrimaryOne Robert Wood Johnson Place, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
- Robert Wood Johnson University Hospital - New Brunswick1 Robert Wood Johnson Pl, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 828-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Vivien M. Hsu is affiliated with 5 sites of care and 2 medical groups
Dr. Hsu's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. Dr. Hsu is also affiliated with Atlantic Health CentraState Medical Center. The medical group on file is Rutgers-RWJ Scleroderma Program. Dmand AI also links Dr. Hsu to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vivien M. Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert Wood Johnson University Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vivien M. Hsu is one of 234 rheumatologists in New Jersey
Rheumatology is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Hsu is licensed in New Jersey.
Specialties and state licenses
- Rheumatology, New JerseyPrimary
Rheumatologists near Dr. Hsu
Counts of rheumatologists 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. Vivien M. Hsu billed Medicare for 237 services in 2024
CMS data shows 237 Medicare services from Dr. Hsu across 4 procedure codes in 2024, for 146 Medicare patients. Medicare paid $29,308 for them. Every service was in an office.
Dr. Hsu's Medicare services by type, 2024
- Office and hospital visits213
- Other services24
Dr. Hsu compared with the New Jersey median for rheumatologists, 2024
- Dr. Hsu
- New Jersey median
- Medicare services
- 237vs 3,99594% below
- Medicare patients
- 146vs 26645% below
- Part D claims
- 1,336vs 1,06426% above
Medians across 237 rheumatologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Hsu'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vivien M. Hsu treated 146 Medicare patients in 2024, average age 71
CMS counts 146 Medicare patients who saw Dr. Hsu in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.96, 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. Hsu's median patient age at 66, with 79% women.
Dr. Hsu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hsu's Medicare patients by sex, 2024
- Women11377%
- Men3323%
Chronic conditions among Dr. Hsu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis72%
- Osteoporosis47%
- Ischemic heart disease42%
- Anxiety32%
- Diabetes30%
- COPD26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hsu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women79%
- Men15%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vivien M. Hsu wrote 1,650 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 1,650 Medicare Part D claims for 184 patients. 78% of them were for generic drugs. CMS names the drug for 1,336 of them, across 38 drugs with 11 or more claims each, at $2,495,828 in total drug cost.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic1,294 claims78%
- Brand-name342 claims21%
- Other14 claims1%
Dr. Hsu'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. Hsu's Part D claims, 2024
- Opioids2%33 of 1,650 claims
- Antibiotics1%16 of 1,650 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Vivien M. Hsu scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Hsu for performance year 2024, reported as part of a group. Dr. Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hsu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Hsu's MIPS scores, performance year 2024
- 88of 100Final score
- 70.6of 100Quality
- 100of 100Promoting Interoperability
- 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. Vivien M. Hsu received $9,764 in industry payments from 2024 to 2025
CMS Open Payments shows 8 general payments to Dr. Hsu from 2 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 94% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $9,650.
General payments to Dr. Hsu by program year, 2024 to 2025
General payments to Dr. Hsu by kind, 2024 to 2025
- Consulting fees$9,14094%
- Food and beverage$4845%
- Travel and lodging$1401%
Companies that paid Dr. Hsu the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vivien M. Hsu graduated from Rutgers New Jersey Medical School
Dr. Hsu graduated from Rutgers New Jersey Medical School in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Vivien M. Hsu'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Vivien M. Hsu
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. Vivien M. Hsu's NPI number?
Dr. Vivien M. Hsu's NPI number is 1992875421. It was assigned on November 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivien M. Hsu?
Dr. Vivien M. Hsu is a rheumatologist in New Brunswick, New Jersey. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Vivien M. Hsu practice?
Dr. Hsu practices at One Robert Wood Johnson Place, New Brunswick, NJ 08901. Dr. Hsu also practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. Dr. Hsu's primary practice is Robert Wood Johnson University Hospital in New Brunswick, New Jersey, part of RWJBarnabas Health. Dmand AI also links Dr. Hsu to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Vivien M. Hsu's office phone number?
The practice phone on file for Dr. Hsu is (732) 828-3000.
What is Dr. Vivien M. Hsu's medical license number?
Dr. Hsu holds New Jersey license 25MA04721500.
Which hospitals is Dr. Vivien M. Hsu affiliated with?
Dr. Hsu practices at Robert Wood Johnson University Hospital in New Brunswick, New Jersey. Dr. Hsu is also affiliated with Atlantic Health CentraState Medical Center. Dmand AI links Dr. Hsu to 1 more hospital.
What medical group is Dr. Vivien M. Hsu part of?
Dr. Hsu is linked to Rutgers-RWJ Scleroderma Program. Dmand AI links Dr. Hsu to 1 more medical group.
Does Dr. Vivien M. Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 237 services in 2024, and Dr. Hsu accepts Medicare assignment.
Does Dr. Vivien M. Hsu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hsu as offering telehealth services.
What is Dr. Vivien M. Hsu's MIPS score?
Dr. Hsu's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Vivien M. Hsu see?
CMS counts 146 Medicare patients who saw Dr. Hsu in 2024, with an average age of 71.
What services does Dr. Vivien M. Hsu bill to Medicare?
In 2024, Dr. Hsu's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and medicare service (G2212).
Where did Dr. Vivien M. Hsu go to medical school?
Dr. Hsu graduated from Rutgers New Jersey Medical School in 1983.
What drugs does Dr. Vivien M. Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Methotrexate, Omeprazole and Prednisone.
Has Dr. Vivien M. Hsu received payments from drug or device companies?
CMS Open Payments shows $9,764 in general payments to Dr. Hsu from 2 companies from 2024 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Vivien M. Hsu been practicing?
Dr. Hsu graduated from medical school in 1983, 43 years ago.
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