Roger Man Ning Chung, MBBS
- Medicare services, 2024
- 527
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 8,106
- Industry payments
- $738
- Affiliated sites
- 1
- Practice address
- 139 Centre St, New York, NY 10013
- Practice phone
- Call (212) 431-4309
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GI Health and Medical PLLC
New York, New York
Find Roger Chung's professional email, personal email and mobile number
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Roger Man Ning Chung is an internist in New York, New York
Roger Chung practices at GI Health and Medical PLLC in New York, New York.
Roger Chung's NPI, 1851459895, was assigned on December 4, 2006. Roger Chung holds New York license 233595.
- NPI
- 1851459895NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901825256
- NPI enumeration date
- December 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 431-4309
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Roger Man Ning Chung practices at GI Health and Medical PLLC in New York, New York
Roger Chung's primary practice is GI Health and Medical PLLC, at 139 Centre St, New York, NY 10013 in New York County. The practice phone is (212) 431-4309.
- GI Health and Medical PLLC139 Centre St, New York, NY 10013 · New York CountyPhone(212) 431-4309
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Roger Man Ning Chung is affiliated with 2 sites of care and 1 medical group
Roger Chung's primary practice is GI Health and Medical PLLC in New York, New York. The medical group on file is Pinehurst Medical PC. Dmand AI also links Roger Chung 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 Roger Man Ning Chung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Roger Chung practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GI Health and Medical PLLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Roger Man Ning Chung is one of 9,643 internists in New York
Internal medicine is Roger Chung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Roger Chung is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Roger Chung
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
Roger Man Ning Chung billed Medicare for 527 services in 2024
CMS data shows 527 Medicare services from Roger Chung across 8 procedure codes in 2024, for 62 Medicare patients. Medicare paid $33,747 for them. Every service was in an office.
Roger Chung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2892024: 2658%
- Other services
- 2023: 1172024: 14826%
- Surgery
- 2023: 882024: 827%
- Tests and treatments
- 2023: 402024: 3220%
Roger Chung compared with the New York median for internists, 2024
- Roger Chung
- New York median
- Medicare services
- 527vs 42624% above
- Medicare patients
- 62vs 15861% below
- Part D claims
- 7,621vs 62212.3 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Roger Chung'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
Roger Man Ning Chung treated 62 Medicare patients in 2024, average age 76
CMS counts 62 Medicare patients who saw Roger Chung in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 71% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Roger Chung's median patient age at 62, with 52% women.
Roger Chung's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Roger Chung's Medicare patients by sex, 2024
- Women3760%
- Men2540%
Chronic conditions among Roger Chung's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Diabetes35%
- Arthritis32%
- Ischemic heart disease32%
- Osteoporosis24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Roger Chung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Roger Man Ning Chung wrote 8,106 Medicare Part D claims in 2024
In 2024, Roger Chung wrote 8,106 Medicare Part D claims for 256 patients. 81% of them were for generic drugs. CMS names the drug for 7,621 of them, across 117 drugs with 11 or more claims each, at $766,166 in total drug cost. In 2023, CMS named 7,654 claims across 124 drugs.
Roger Chung's Part D claims by kind of drug, 2024
- Generic6,586 claims81%
- Brand-name1,377 claims17%
- Other143 claims2%
Roger Chung'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 Roger Chung's Part D claims, 2024
- Antibiotics2%173 of 8,106 claims
- Antipsychotics, patients 65 and over1%67 of 8,106 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: 7,6542024: 7,621No change
Drugs named by CMS: 117 in 2024, 124 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
How Roger Man Ning Chung takes part in Medicare
Roger Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Roger Man Ning Chung received $738 in industry payments from 2016 to 2023
CMS Open Payments shows 33 general payments to Roger Chung from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 94% of the total. AstraZeneca Pharmaceuticals LP paid the most, $570.
General payments to Roger Chung by program year, 2016 to 2023
General payments to Roger Chung by kind, 2016 to 2023
- Food and beverage$69794%
- Education$416%
Companies that paid Roger Chung the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Roger Man Ning Chung'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) |
| 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 Roger Man Ning Chung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Roger Man Ning Chung's NPI number?
Roger Man Ning Chung's NPI number is 1851459895. It was assigned on December 4, 2006, and it is active in the NPI Registry.
What does Roger Man Ning Chung specialize in?
Roger Man Ning Chung is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Roger Man Ning Chung practice?
Roger Chung practices at 139 Centre St, New York, NY 10013. Roger Chung's primary practice is GI Health and Medical PLLC in New York, New York. Dmand AI also links Roger Chung to 1 group practice or clinic.
What is Roger Man Ning Chung's office phone number?
The practice phone on file for Roger Chung is (212) 431-4309.
What is Roger Man Ning Chung's medical license number?
Roger Chung holds New York license 233595.
What medical group is Roger Man Ning Chung part of?
Roger Chung is linked to Pinehurst Medical PC.
Does Roger Man Ning Chung accept Medicare?
Yes. CMS data shows Roger Chung billed Medicare for 527 services in 2024, and Roger Chung accepts Medicare assignment.
How many Medicare patients does Roger Man Ning Chung see?
CMS counts 62 Medicare patients who saw Roger Chung in 2024, with an average age of 76.
What services does Roger Man Ning Chung bill to Medicare?
In 2024, Roger Chung's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
What drugs does Roger Man Ning Chung prescribe most?
In 2024 Medicare Part D data, Roger Chung's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Vascepa.
Has Roger Man Ning Chung received payments from drug or device companies?
CMS Open Payments shows $738 in general payments to Roger Chung from 6 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Roger Man Ning Chung been practicing?
Roger Chung graduated from medical school in 1998, 28 years ago.
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