Len Horovitz, M.D.
NPI 1518055417 · Pulmonary Disease Physician · New York, NY
Len Horovitz, M.D. is a Pulmonary Disease Physician provider in New York, NY (NPI 1518055417).
Provider details
- NPI number
- 1518055417
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 144988 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 130 | 35 |
| Zolpidem Tartrate | 70 | — |
| Levothyroxine Sodium | 65 | 18 |
| Clonazepam | 50 | 11 |
| Metformin Hcl | 49 | 11 |
| Losartan Potassium | 46 | 11 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$737 across 33 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
- 2006-10-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Len Horovitz's NPI number?
- Len Horovitz's National Provider Identifier (NPI) is 1518055417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Len Horovitz's specialty?
- Len Horovitz is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Len Horovitz located?
- Len Horovitz's practice location on file with NPPES is 47 E 77th St, New York, NY 10021-1730.
- What is Len Horovitz's phone number?
- The practice phone number listed in the NPPES registry for Len Horovitz is (212) 744-3001.
- Is Len Horovitz's NPI active?
- Yes — Len Horovitz's NPI (1518055417) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.