Zachary Louis, MD
NPI 1790369726 · Emergency Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Louis, MD is a Emergency Medicine Physician provider in New Haven, CT (NPI 1790369726).
Provider details
- NPI number
- 1790369726
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 80978 (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
5 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
- 2021-05-06
- Last updated
- 2026-05-11
- Certified
- 2026-05-11
Frequently asked questions
- What is Zachary Louis's NPI number?
- Zachary Louis's National Provider Identifier (NPI) is 1790369726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Louis's specialty?
- Zachary Louis is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Louis located?
- Zachary Louis's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Zachary Louis's phone number?
- The practice phone number listed in the NPPES registry for Zachary Louis is (203) 688-4242.
- Does Zachary Louis accept Medicare?
- Zachary Louis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Louis's NPI active?
- Yes — Zachary Louis's NPI (1790369726) is active in the NPPES registry as of the last update on 2026-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.