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

Infectious Disease

Hermes Lopez Jr., MD

Works at hospitals in Roslyn, NY · New York

Summary

Hermes Lopez Jr., MD (Infectious Disease) is listed by Medicare at 1 hospital in Roslyn, NY. NPI 1922293232. 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 Hermes Lopez Jr., 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
CHS Physician Partners PCGroup practice

Quick answers

Which hospitals does Hermes Lopez Jr. work at?
Medicare's official clinician data lists Hermes Lopez Jr. at 1 hospital: St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hermes Lopez Jr. see patients?
Medicare's clinician data lists 1 practice location in Roslyn, NY. Call before your visit to confirm the address.
What is Hermes Lopez Jr.'s specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Hermes Lopez Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Hermes Lopez Jr. 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.
What is the phone number for Hermes Lopez Jr.?
(516) 562-6000, as listed in official Medicare / NPI Registry data.
What is Hermes Lopez Jr.'s NPI number?
1922293232. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hermes Lopez Jr. works

Medicare's Facility Affiliation Data lists Hermes Lopez Jr. 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 Hermes Lopez Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Hermes Lopez Jr. as a member of this group (CMS data updated 2026-10-02).

  • CHS Physician Partners PC743 clinicians in the group

Specialties

Find other Infectious Disease doctors in New York →

Other infectious disease doctors in Roslyn

Clinicians with the same Medicare primary specialty in Roslyn, NY — not a recommendation.

All infectious disease doctors in Roslyn →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922293232
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