Derek Chung, M.D
NPI 1588747935 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Chung, M.D is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1588747935).
Provider details
- NPI number
- 1588747935
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 192240 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
182 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 84 | $51 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $127 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 23 | $22 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $104 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 16 | $20 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 326 | 110 |
| Metformin Hcl | 204 | 71 |
| Atorvastatin Calcium | 194 | 59 |
| Pravastatin Sodium | 156 | 55 |
| Metoprolol Succinate | 148 | 47 |
| Simvastatin | 138 | 45 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$344 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-21
- Last updated
- 2024-02-14
- Certified
- 2024-02-08
Frequently asked questions
- What is Derek Chung's NPI number?
- Derek Chung's National Provider Identifier (NPI) is 1588747935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Chung's specialty?
- Derek Chung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Chung located?
- Derek Chung's practice location on file with NPPES is 2244 Church Ave Fl 3, Brooklyn, NY 11226-4195.
- What is Derek Chung's phone number?
- The practice phone number listed in the NPPES registry for Derek Chung is (718) 352-0083.
- Does Derek Chung accept Medicare?
- Derek Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Chung's NPI active?
- Yes — Derek Chung's NPI (1588747935) is active in the NPPES registry as of the last update on 2024-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.