Dr. Roy Ho Hsin Chen, MD
- Medicare services, 2024
- 218,865
- Medicare patients, 2024
- 2,846
- Part D claims, 2024
- 2,162
- MIPS score, 2024
- 100
- Hospital affiliations
- 4
- Practice address
- 1500 State Rte 112, Port Jefferson Station, NY 11776
- Practice phone
- Call (631) 828-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Long Island Digestive Endoscopy Center, LLC
Port Jefferson Station, New York
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Roy Ho Hsin Chen is a hematologist and oncologist in Port Jefferson Station, New York
Dr. Chen practices at Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York.
Dr. Chen's NPI, 1720248081, was assigned on June 11, 2008. Dr. Chen graduated from State University of NY Upstate Medical University in 2008. Dr. Chen holds New York license 262509.
- NPI
- 1720248081NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658540182
- NPI enumeration date
- June 11, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 828-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roy Ho Hsin Chen practices at Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York
Dr. Chen's primary practice is Long Island Digestive Endoscopy Center, LLC, at 1500 State Rte 112, Port Jefferson Station, NY 11776 in Suffolk County. The practice phone is (631) 828-3400.
- Long Island Digestive Endoscopy Center, LLC1500 State Rte 112, Port Jefferson Station, NY 11776 · Suffolk CountyPhone(631) 828-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roy Ho Hsin Chen is affiliated with 5 sites of care and 1 medical group
Dr. Chen's primary practice is Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York. Dr. Chen is also affiliated with Stony Brook University Hospital. The medical group on file is New York Cancer & Blood Specialists. Dmand AI also links Dr. Chen to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roy Ho Hsin Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Island Digestive Endoscopy Center, LLC | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy Ho Hsin Chen is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Chen is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Chen
Counts of hematologists and oncologists 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. Roy Ho Hsin Chen billed Medicare for 218,865 services in 2024
CMS data shows 218,865 Medicare services from Dr. Chen across 128 procedure codes in 2024, for 2,846 Medicare patients. Medicare paid $2,050,817 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 278,0592024: 166,84440%
- Lab and pathology
- 2023: 40,9932024: 39,2364%
- Office and hospital visits
- 2023: 6,1682024: 5,12117%
- Surgery
- 2023: 5,1032024: 4,22217%
- Tests and treatments
- 2023: 5,2912024: 3,33237%
- Other services
- 2023: 1182024: 1107%
Where Dr. Chen's Medicare services took place, 2024
- In an office218,461100%
- In a facility4040%
Dr. Chen compared with the New York median for hematologists and oncologists, 2024
- Dr. Chen
- New York median
- Medicare services
- 218,865vs 668327.6 times
- Medicare patients
- 2,846vs 21013.6 times
- Part D claims
- 1,831vs 2587.1 times
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Chen'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. Roy Ho Hsin Chen treated 2,846 Medicare patients in 2024, average age 74
CMS counts 2,846 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 1,136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.01, 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. Chen's median patient age at 60, with 58% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women1,54854%
- Men1,29846%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease44%
- Chronic kidney disease39%
- Diabetes39%
- Cancer38%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women58%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roy Ho Hsin Chen wrote 2,162 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 2,162 Medicare Part D claims for 316 patients. CMS names the drug for 1,831 of them, across 59 drugs with 11 or more claims each, at $8,076,061 in total drug cost. In 2023, CMS named 1,395 claims across 42 drugs.
Dr. Chen'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. Chen's Part D claims, 2024
- Opioids3%55 of 2,162 claims
- Antibiotics3%64 of 2,162 claims
- Antipsychotics, patients 65 and over1%13 of 2,162 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: 1,3952024: 1,83131%
Drugs named by CMS: 59 in 2024, 42 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. Roy Ho Hsin Chen scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 100of 100Final score
- 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. Roy Ho Hsin Chen received $1,770 in industry payments from 2016 to 2025
CMS Open Payments shows 75 general payments to Dr. Chen from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Sirtex Medical Inc paid the most, $246.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$1,75899%
- Education$121%
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roy Ho Hsin Chen graduated from State University of NY Upstate Medical University
Dr. Chen graduated from State University of NY Upstate Medical University in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roy Ho Hsin Chen'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 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. Roy Ho Hsin Chen
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. Roy Ho Hsin Chen's NPI number?
Dr. Roy Ho Hsin Chen's NPI number is 1720248081. It was assigned on June 11, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy Ho Hsin Chen?
Dr. Roy Ho Hsin Chen is a hematologist and oncologist in Port Jefferson Station, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Roy Ho Hsin Chen practice?
Dr. Chen practices at 1500 State Rte 112, Port Jefferson Station, NY 11776. Dr. Chen's primary practice is Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York. Dmand AI also links Dr. Chen to 3 hospitals.
What is Dr. Roy Ho Hsin Chen's office phone number?
The practice phone on file for Dr. Chen is (631) 828-3400.
What is Dr. Roy Ho Hsin Chen's medical license number?
Dr. Chen holds New York license 262509.
Which hospitals is Dr. Roy Ho Hsin Chen affiliated with?
Dr. Chen is affiliated with Stony Brook University Hospital. Dmand AI links Dr. Chen to 3 more hospitals.
What medical group is Dr. Roy Ho Hsin Chen part of?
Dr. Chen is linked to New York Cancer & Blood Specialists.
Does Dr. Roy Ho Hsin Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 218,865 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Roy Ho Hsin Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
What is Dr. Roy Ho Hsin Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Roy Ho Hsin Chen see?
CMS counts 2,846 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
What services does Dr. Roy Ho Hsin Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were injected or infused drug (J1439), injected or infused drug (J0881) and injected or infused drug (J9271).
Where did Dr. Roy Ho Hsin Chen go to medical school?
Dr. Chen graduated from State University of NY Upstate Medical University in 2008.
What drugs does Dr. Roy Ho Hsin Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Aranesp, Eliquis and Xgeva.
Has Dr. Roy Ho Hsin Chen received payments from drug or device companies?
CMS Open Payments shows $1,770 in general payments to Dr. Chen from 28 companies from 2016 to 2025. The largest total came from Sirtex Medical Inc.
How long has Dr. Roy Ho Hsin Chen been practicing?
Dr. Chen graduated from medical school in 2008, 18 years ago.
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