Leszek Kolodziejczak, MD
NPI 1689600561 · Surgery Physician · Willimantic, CT
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leszek Kolodziejczak, MD is a Surgery Physician provider in Willimantic, CT (NPI 1689600561).
Provider details
- NPI number
- 1689600561
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 032557 (CT)
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
19 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
- 2006-06-23
- Last updated
- 2019-09-03
Frequently asked questions
- What is Leszek Kolodziejczak's NPI number?
- Leszek Kolodziejczak's National Provider Identifier (NPI) is 1689600561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leszek Kolodziejczak's specialty?
- Leszek Kolodziejczak is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Leszek Kolodziejczak located?
- Leszek Kolodziejczak's practice location on file with NPPES is 162 Mansfield Ave., Willimantic, CT 06226.
- What is Leszek Kolodziejczak's phone number?
- The practice phone number listed in the NPPES registry for Leszek Kolodziejczak is (860) 423-5000.
- Does Leszek Kolodziejczak accept Medicare?
- Leszek Kolodziejczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leszek Kolodziejczak's NPI active?
- Yes — Leszek Kolodziejczak's NPI (1689600561) is active in the NPPES registry as of the last update on 2019-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.