Nicholas Zwolinski, MD
NPI 1508487844 · Anesthesiology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Zwolinski, MD is a Anesthesiology Physician provider in New Haven, CT (NPI 1508487844).
Provider details
- NPI number
- 1508487844
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-04-28
- Last updated
- 2025-07-14
- Certified
- 2025-07-14
Frequently asked questions
- What is Nicholas Zwolinski's NPI number?
- Nicholas Zwolinski's National Provider Identifier (NPI) is 1508487844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Zwolinski's specialty?
- Nicholas Zwolinski is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Zwolinski located?
- Nicholas Zwolinski's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Nicholas Zwolinski's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Zwolinski is (203) 785-2802.
- Does Nicholas Zwolinski accept Medicare?
- Nicholas Zwolinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Zwolinski's NPI active?
- Yes — Nicholas Zwolinski's NPI (1508487844) is active in the NPPES registry as of the last update on 2025-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.