Leonard Berkowitz, MD
NPI 1265534564 · Infectious Disease Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Berkowitz, MD is a Infectious Disease Physician provider in Brooklyn, NY (NPI 1265534564).
Provider details
- NPI number
- 1265534564
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 145179 (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
373 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 | 121 | $108 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 60 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $146 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 797 | 137 |
| Rosuvastatin Calcium | 320 | 97 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 260 | 64 |
| Atorvastatin Calcium | 254 | 81 |
| Ergocalciferol (vitamin D2)brand: Vitamin D2 | 203 | 54 |
| Emtricitab/Rilpiviri/Tenof Alabrand: Odefsey | 191 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$315 across 16 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
- 2006-09-05
- Last updated
- 2013-08-07
Frequently asked questions
- What is Leonard Berkowitz's NPI number?
- Leonard Berkowitz's National Provider Identifier (NPI) is 1265534564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Berkowitz's specialty?
- Leonard Berkowitz is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Berkowitz located?
- Leonard Berkowitz's practice location on file with NPPES is 240 Willoughby St, Brooklyn, NY 11201.
- What is Leonard Berkowitz's phone number?
- The practice phone number listed in the NPPES registry for Leonard Berkowitz is (718) 250-6922.
- Does Leonard Berkowitz accept Medicare?
- Leonard Berkowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Berkowitz's NPI active?
- Yes — Leonard Berkowitz's NPI (1265534564) is active in the NPPES registry as of the last update on 2013-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.