Dr. Derek George Chung, MD
- Medicare services, 2024
- 182
- Medicare patients, 2024
- 61
- Part D claims, 2024
- 4,231
- Industry payments
- $6,684
- Affiliated sites
- 2
- Practice address
- 1797 Pitkin Avenue, Brooklyn, NY 11212
- Practice phone
- Call (718) 971-1952
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Doral Health & Wellness Dialysis
Dialysis Center - Independent · Brooklyn, New York
Find Dr. Chung's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Derek George Chung is an internist in Brooklyn, New York
Dr. Chung practices at Doral Health & Wellness Dialysis in Brooklyn, New York.
Dr. Chung's NPI, 1588747935, was assigned on October 21, 2006. Dr. Chung holds New York license 192240.
- NPI
- 1588747935NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345134052
- NPI enumeration date
- October 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 971-1952
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek George Chung practices at Doral Health & Wellness Dialysis in Brooklyn, New York
Dr. Chung's primary practice is Doral Health & Wellness Dialysis, at 1797 Pitkin Avenue, Brooklyn, NY 11212 in Kings County. The practice phone is (718) 971-1952.
- Doral Health & Wellness Dialysis1797 Pitkin Avenue, Brooklyn, NY 11212 · Kings CountyPhone(718) 971-1952
Source: Dmand AI Affiliation Data
Dr. Derek George Chung is affiliated with 2 sites of care and 1 medical group
Dr. Chung's primary practice is Doral Health & Wellness Dialysis in Brooklyn, New York. The medical group on file is Doral Health & Wellness. Dmand AI also links Dr. Chung to 1 more physician office, named with a free account. Dr. Chung's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Derek George Chung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chung practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doral Health & Wellness Dialysis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek George Chung is one of 9,643 internists in New York
Internal medicine is Dr. Chung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chung is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. 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
Dr. Derek George Chung billed Medicare for 182 services in 2024
CMS data shows 182 Medicare services from Dr. Chung across 6 procedure codes in 2024, for 61 Medicare patients. Medicare paid $6,857 for them. Every service was in an office.
Dr. Chung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2222024: 12942%
- Other services
- 2023: 882024: 5340%
- Tests and treatments
- 2023: 282024: 0100%
- Surgery
- 2023: 442024: 0100%
Dr. Chung compared with the New York median for internists, 2024
- Dr. Chung
- New York median
- Medicare services
- 182vs 42657% below
- Medicare patients
- 61vs 15861% below
- Part D claims
- 3,553vs 6225.7 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. 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
Dr. Derek George Chung treated 61 Medicare patients in 2024, average age 76
CMS counts 61 Medicare patients who saw Dr. Chung in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chung's median patient age at 57, with 61% women.
Dr. Chung's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chung's Medicare patients by sex, 2024
- Women4066%
- Men2134%
Chronic conditions among Dr. Chung's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Tobacco use44%
- Arthritis41%
- Diabetes38%
- Chronic kidney disease23%
- Cancer20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 57
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek George Chung wrote 4,231 Medicare Part D claims in 2024
In 2024, Dr. Chung wrote 4,231 Medicare Part D claims for 365 patients. 83% of them were for generic drugs. CMS names the drug for 3,553 of them, across 77 drugs with 11 or more claims each, at $566,146 in total drug cost. In 2023, CMS named 4,886 claims across 108 drugs.
Dr. Chung's Part D claims by kind of drug, 2024
- Generic3,520 claims83%
- Brand-name629 claims15%
- Other82 claims2%
Dr. 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 Dr. Chung's Part D claims, 2024
- Antibiotics2%76 of 4,231 claims
- Antipsychotics, patients 65 and over0%20 of 4,231 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: 4,8862024: 3,55327%
Drugs named by CMS: 77 in 2024, 108 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. Derek George Chung offers telehealth to Medicare patients
Dr. Chung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chung as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Derek George Chung received $6,684 in industry payments from 2016 to 2025
CMS Open Payments shows 367 general payments to Dr. Chung from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,151.
General payments to Dr. Chung by program year, 2016 to 2025
General payments to Dr. Chung by kind, 2016 to 2025
- Food and beverage$6,669100%
- Education$140%
Companies that paid Dr. Chung the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Derek George 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 | Dmand AI Affiliation 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) |
| 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 Dr. Derek George 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 Dr. Derek George Chung's NPI number?
Dr. Derek George Chung's NPI number is 1588747935. It was assigned on October 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek George Chung?
Dr. Derek George Chung is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Derek George Chung practice?
Dr. Chung practices at 1797 Pitkin Avenue, Brooklyn, NY 11212. Dr. Chung's primary practice is Doral Health & Wellness Dialysis in Brooklyn, New York. Dmand AI also links Dr. Chung to 1 physician office.
What is Dr. Derek George Chung's office phone number?
The practice phone on file for Dr. Chung is (718) 971-1952.
What is Dr. Derek George Chung's medical license number?
Dr. Chung holds New York license 192240.
What medical group is Dr. Derek George Chung part of?
Dr. Chung is linked to Doral Health & Wellness.
Does Dr. Derek George Chung accept Medicare?
Yes. CMS data shows Dr. Chung billed Medicare for 182 services in 2024, and Dr. Chung accepts Medicare assignment.
Does Dr. Derek George Chung offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chung as offering telehealth services.
How many Medicare patients does Dr. Derek George Chung see?
CMS counts 61 Medicare patients who saw Dr. Chung in 2024, with an average age of 76.
What services does Dr. Derek George Chung bill to Medicare?
In 2024, Dr. Chung's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99214) and medicare service (G0442).
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What drugs does Dr. Derek George Chung prescribe most?
In 2024 Medicare Part D data, Dr. Chung's most prescribed drugs by claims were Amlodipine Besylate, Metformin HCl and Atorvastatin Calcium.
Has Dr. Derek George Chung received payments from drug or device companies?
CMS Open Payments shows $6,684 in general payments to Dr. Chung from 28 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Derek George Chung been practicing?
Dr. Chung graduated from medical school in 1984, 42 years ago.
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