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Internal Medicine

Lygia Dsa, MD

Works at hospitals in Oceanside, NY · New York

Summary

Lygia Dsa, MD (Internal Medicine) is listed by Medicare at 1 hospital in Oceanside, NY. NPI 1235201518. 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 Lygia Dsa, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
FemaleGender (as listed)
North Shore Medical Group of the Mount Sinai School of MedicineGroup practice

Quick answers

Which hospitals does Lygia Dsa work at?
Medicare's official clinician data lists Lygia Dsa at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lygia Dsa see patients?
Medicare's clinician data lists 2 practice locations, including Oceanside, NY and Lynbrook, NY. Call before your visit to confirm the address.
What is Lygia Dsa's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Lygia Dsa accept Medicare assignment?
Yes. Medicare's clinician data says Lygia Dsa 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 Lygia Dsa offer telehealth?
Medicare's clinician data says Lygia Dsa offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Lygia Dsa?
(516) 632-3935, as listed in official Medicare / NPI Registry data.
What is Lygia Dsa's NPI number?
1235201518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lygia Dsa works

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

Group practices

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

  • North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Oceanside

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

All internal medicine doctors in Oceanside →

Clinician information

CredentialMD
Graduation year1982
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235201518
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