Katarzyna Klek, MD
NPI 1639325285 · Pediatrics Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katarzyna Klek, MD is a Pediatrics Physician provider in East Setauket, NY (NPI 1639325285).
Provider details
- NPI number
- 1639325285
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 261732 (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
17 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-14
- Last updated
- 2022-08-03
- Certified
- 2022-08-03
Frequently asked questions
- What is Katarzyna Klek's NPI number?
- Katarzyna Klek's National Provider Identifier (NPI) is 1639325285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katarzyna Klek's specialty?
- Katarzyna Klek is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katarzyna Klek located?
- Katarzyna Klek's practice location on file with NPPES is 4 Technology Dr Ste 250, East Setauket, NY 11733-4085.
- What is Katarzyna Klek's phone number?
- The practice phone number listed in the NPPES registry for Katarzyna Klek is (631) 444-5437.
- Does Katarzyna Klek accept Medicare?
- Katarzyna Klek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katarzyna Klek's NPI active?
- Yes — Katarzyna Klek's NPI (1639325285) is active in the NPPES registry as of the last update on 2022-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.