Ethan Marin, MD PHD
NPI 1740455864 · Nephrology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ethan Marin, MD PHD is a Nephrology Physician provider in New Haven, CT (NPI 1740455864).
Provider details
- NPI number
- 1740455864
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- Yes
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
18 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
- 2008-04-29
- Last updated
- 2010-01-05
Frequently asked questions
- What is Ethan Marin's NPI number?
- Ethan Marin's National Provider Identifier (NPI) is 1740455864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ethan Marin's specialty?
- Ethan Marin is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ethan Marin located?
- Ethan Marin's practice location on file with NPPES is 330 Cedar St, New Haven, CT 06510-3218.
- What is Ethan Marin's phone number?
- The practice phone number listed in the NPPES registry for Ethan Marin is (203) 785-4185.
- Does Ethan Marin accept Medicare?
- Ethan Marin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ethan Marin's NPI active?
- Yes — Ethan Marin's NPI (1740455864) is active in the NPPES registry as of the last update on 2010-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.