Igor Kletsman, MD
NPI 1447297858 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Igor Kletsman, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1447297858).
Provider details
- NPI number
- 1447297858
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 237093 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Semaglutidebrand: Ozempic | 29 |
| Metoprolol Succinate | 25 |
| Atorvastatin Calcium | 20 |
| Famotidine | 20 |
| Levothyroxine Sodium | 18 |
| Amlodipine Besylate | 16 |
| Simvastatin | 15 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 14 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2008-04-28
Frequently asked questions
- What is Igor Kletsman's NPI number?
- Igor Kletsman's National Provider Identifier (NPI) is 1447297858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Igor Kletsman's specialty?
- Igor Kletsman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Igor Kletsman located?
- Igor Kletsman's practice location on file with NPPES is 520 Neptune Ave., Brooklyn, NY 11224.
- What is Igor Kletsman's phone number?
- The practice phone number listed in the NPPES registry for Igor Kletsman is (718) 333-9070.
- Does Igor Kletsman accept Medicare?
- Igor Kletsman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Igor Kletsman's NPI active?
- Yes — Igor Kletsman's NPI (1447297858) is active in the NPPES registry as of the last update on 2008-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.