Jonathan Leibowitz, M.D.
NPI 1588665012 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Leibowitz, M.D. is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1588665012).
Provider details
- NPI number
- 1588665012
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 198424 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,331 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 | 1,021 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 771 | $104 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 602 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 556 | $71 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 MinutesG0136 | 394 | $22 |
| Assessment of Emotional Or Behavioral Problems96127 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 758 | 194 |
| Atorvastatin Calcium | 680 | 171 |
| Rosuvastatin Calcium | 662 | 197 |
| Metoprolol Succinate | 408 | 104 |
| Fluticasone Propionate | 367 | 118 |
| Losartan Potassium | 363 | 100 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$582 across 30 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
- 2005-08-09
- Last updated
- 2023-11-27
- Certified
- 2023-11-27
Frequently asked questions
- What is Jonathan Leibowitz's NPI number?
- Jonathan Leibowitz's National Provider Identifier (NPI) is 1588665012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Leibowitz's specialty?
- Jonathan Leibowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Leibowitz located?
- Jonathan Leibowitz's practice location on file with NPPES is 1343 55th St, Brooklyn, NY 11219-4202.
- What is Jonathan Leibowitz's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Leibowitz is (718) 972-7222.
- Does Jonathan Leibowitz accept Medicare?
- Jonathan Leibowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Leibowitz's NPI active?
- Yes — Jonathan Leibowitz's NPI (1588665012) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.