Derek George Chung, M.D
Internal Medicine Physician · Brooklyn, NY
Derek George Chung, M.D is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1588747935, issued on Oct 21, 2006. Check the license (New York 192240, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Derek George Chung
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 192240 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2244 Church Ave FL 3, Brooklyn, NY 11226
- Phone
- (718) 352-0083
- Enumerated
- Oct 21, 2006
- Record last updated
- Feb 14, 2024
- Fax
- (718) 627-1525
- Medicaid ID
- 02020639 NY
- Medicare enrollment
- Enrolled (PECOS I20040212000509); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Derek George Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 192240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average internal medicine physician in 2024
4,231 Medicare Part D claims for 365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Amlodipine Besylate326 claims
- Metformin Hcl204 claims
- Atorvastatin Calcium194 claims
- Pravastatin Sodium156 claims
- Metoprolol Succinate148 claims
- Simvastatin138 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $343.80
6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Doral Medical And Multi Specialty Facility LLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek George Chung among 12,067 internal medicine physician records in New York
Derek George Chung, M.D is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1984 · median 2002 among the 7,221 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Elaine Brown-Cameron, M.D.Brooklyn, NY 112261083647929
- Nagamma Duddempudi, M.D.Brooklyn, NY 112261609869585
- Enayatollah Hariri, M.D.Brooklyn, NY 112261376657247
- Yonel Jean-Brice, MDBrooklyn, NY 112261124005608
- Theodore Jean-Francois, MDBrooklyn, NY 112261871662379
- Lionel Lefevre, M.D.Brooklyn, NY 112261447335450
- Steven Liverpool, M.D.Brooklyn, NY 112261790779403
- Ruthven Noel, MDBrooklyn, NY 112261124199922
Common questions
What is Derek George Chung, M.D's NPI number?
Derek George Chung, M.D's National Provider Identifier (NPI) is 1588747935, issued on Oct 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek George Chung, M.D located?
The NPPES record lists a practice address at 2244 Church Ave FL 3, Brooklyn, NY, 11226. Phone: (718) 352-0083. Providers update this record themselves, so call before visiting.
How can I verify Derek George Chung, M.D's license?
NPPES lists New York license number 192240, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek George Chung, M.D prescribe under Medicare Part D?
In 2024, Derek George Chung, M.D had 4,231 Medicare Part D claims for 365 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.