Alfred Leong, MD
NPI 1285601963 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Leong, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1285601963).
Provider details
- NPI number
- 1285601963
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 197629 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
706 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 223 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 149 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 143 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $103 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 45 | $150 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 436 | 166 |
| Amlodipine Besylate | 281 | 105 |
| Losartan Potassium | 253 | 87 |
| Metformin Hcl | 201 | 71 |
| Gabapentin | 185 | 61 |
| Metoprolol Succinate | 168 | 66 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$249 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 (1)
- 506 6th StBrooklyn, NY 11215-3609Phone: (718) 780-5131
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is Alfred Leong's NPI number?
- Alfred Leong's National Provider Identifier (NPI) is 1285601963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Leong's specialty?
- Alfred Leong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alfred Leong located?
- Alfred Leong's practice location on file with NPPES is 515 Sixth Street, Brooklyn, NY 11215.
- What is Alfred Leong's phone number?
- The practice phone number listed in the NPPES registry for Alfred Leong is (718) 246-8600.
- Does Alfred Leong accept Medicare?
- Alfred Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Leong's NPI active?
- Yes — Alfred Leong's NPI (1285601963) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.