Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Justin Lopes

Works at hospitals in Greenwich, CT · New Haven, CT · Connecticut

Summary

Justin Lopes (Nurse Practitioner) is listed by Medicare at 2 hospitals in Greenwich, CT and New Haven, CT. NPI 1649855024. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Justin Lopes, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
5Years since medical school (graduated 2021)
MaleGender (as listed)
Yale UniversityGroup practice

Quick answers

Which hospitals does Justin Lopes work at?
Medicare's official clinician data lists Justin Lopes at 2 hospitals: Greenwich Hospital Association - and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Justin Lopes see patients?
Medicare's clinician data lists 1 practice location in New Haven, CT. Call before your visit to confirm the address.
What is Justin Lopes's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Justin Lopes accept Medicare assignment?
Yes. Medicare's clinician data says Justin Lopes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Justin Lopes offer telehealth?
Medicare's clinician data says Justin Lopes offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Justin Lopes?
(203) 785-2140, as listed in official Medicare / NPI Registry data.
What is Justin Lopes's NPI number?
1649855024. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Justin Lopes works

Medicare's Facility Affiliation Data lists Justin Lopes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Justin Lopes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Justin Lopes as a member of this group (CMS data updated 2026-10-02).

  • Yale University2,645 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Connecticut →

Other nurse practitioners in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

All nurse practitioners in New Haven →

Clinician information

Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1649855024
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians