Derek Leong, MD
NPI 1194102921 · Cardiovascular Disease Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Leong, MD is a Cardiovascular Disease Physician provider in Los Angeles, CA (NPI 1194102921).
Provider details
- NPI number
- 1194102921
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A146264 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 70 | 44 |
| Furosemide | 69 | 35 |
| Bisoprolol Fumarate | 65 | 41 |
| Empagliflozinbrand: Jardiance | 60 | 40 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 55 | 33 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 52 | 32 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$284 across 2 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
Additional practice locations (2)
- 8670 Wilshire Blvd Fl 2Beverly Hills, CA 90211-2930Phone: (310) 248-8300
- 8700 Beverly BlvdBecker Bldg. B105-AWest Hollywood, CA 90048-1804Phone: (626) 673-9205
Registry dates
- Enumerated
- 2015-04-30
- Last updated
- 2022-12-04
- Certified
- 2022-12-04
Frequently asked questions
- What is Derek Leong's NPI number?
- Derek Leong's National Provider Identifier (NPI) is 1194102921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Leong's specialty?
- Derek Leong is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Leong located?
- Derek Leong's practice location on file with NPPES is 4733 W Sunset Blvd Fl 3, Los Angeles, CA 90027-6093.
- What is Derek Leong's phone number?
- The practice phone number listed in the NPPES registry for Derek Leong is (833) 574-2273.
- Does Derek Leong accept Medicare?
- Derek Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Leong's NPI active?
- Yes — Derek Leong's NPI (1194102921) is active in the NPPES registry as of the last update on 2022-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.