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Endocrinology

Merlyn A. Mathew, DO

Works at hospitals in Manhasset, NY · New York

Summary

Merlyn A. Mathew, DO (Endocrinology) is listed by Medicare at 1 hospital in Manhasset, NY. NPI 1033564596. 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 Merlyn A. Mathew, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
New York College Of Osteo Medicine Of New York Institute Of TechnologyMedical school
FemaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does Merlyn A. Mathew work at?
Medicare's official clinician data lists Merlyn A. Mathew at 1 hospital: North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Merlyn A. Mathew see patients?
Medicare's clinician data lists 1 practice location in Lawrence, NY. Call before your visit to confirm the address.
What is Merlyn A. Mathew's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Merlyn A. Mathew accept Medicare assignment?
Yes. Medicare's clinician data says Merlyn A. Mathew 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 Merlyn A. Mathew offer telehealth?
Medicare's clinician data says Merlyn A. Mathew offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Merlyn A. Mathew?
(516) 371-0517, as listed in official Medicare / NPI Registry data.
What is Merlyn A. Mathew's NPI number?
1033564596. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Merlyn A. Mathew works

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

Group practices

Medicare enrollment lists Merlyn A. Mathew as a member of this group (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Endocrinology doctors in New York →

Other endocrinologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All endocrinologists in New York →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033564596
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