Doctor profile · Federal record

Dr. Derek Chung, M.D

Internal Medicine Physician (CMS: Internal Medicine) · Brooklyn, NY

  • NPI 1588747935
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2244 Church Ave Fl 3
Brooklyn, NY 112264195
(718) 352-0083
fax (718) 627-1525
Mailing address
1347 E 89Th St
Brooklyn, NY 112365121

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 14, 2024
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #192240
Medicaid
NY #02020639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588747935. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
9
Medicare allowed
$27,045
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 114 22 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 64 35 $126
36415 Insertion of needle into vein for collection of blood sample 44 33 $8
99212 Established patient office or other outpatient visit, 10-19 minutes 44 32 $56
G0444 Annual depression screening, 5 to 15 minutes 41 41 $19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $140
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 15 15 $17
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 13 13 $13
G0008 Administration of influenza virus vaccine 13 13 $27

In context: peer comparison

Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$344
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $125.00
Lilly USA, LLC 1 $122.95
Abbvie INC. 2 $49.09
Exact Sciences Corporation 1 $30.43
Dentsply Sirona INC 1 $16.33

By nature of payment

Food and Beverage
$344

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,364
Patients
671
Total drug cost
$156,121
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 385 110 $2,621
Metformin Hcl Generic 274 75 $2,278
Atorvastatin Calcium Generic 245 74 $4,551
Simvastatin Generic 196 55 $1,790
Losartan Potassium Generic 154 42 $2,100
Metoprolol Succinate Generic 150 46 $2,953
Jardiance (Empagliflozin) Brand 141 24 $119,564
Pravastatin Sodium Generic 136 46 $2,308
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 126 42 $4,235
Furosemide Generic 99 27 $667

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Chung's medical specialty?
Dr. Derek Chung practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Derek Chung practice?
Dr. Derek Chung practices at 2244 Church Ave Fl 3, Brooklyn, NY 112264195. Office phone: 7183520083.
What is Dr. Derek Chung's NPI?
Dr. Derek Chung's National Provider Identifier (NPI) is 1588747935, issued by NPPES.
Does Dr. Derek Chung accept Medicare assignment?
Yes. Dr. Derek Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Chung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.