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

Internal Medicine

Liby Mathew, MD

Works at hospitals in Middletown, NY · New York

Summary

Liby Mathew, MD (Internal Medicine) is listed by Medicare at 1 hospital in Middletown, NY. NPI 1154587566. 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 Liby 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
23Years since medical school (graduated 2003)
FemaleGender (as listed)
Crystal Run Healthcare Physicians LLPGroup practice (+1 more)

Quick answers

Which hospitals does Liby Mathew work at?
Medicare's official clinician data lists Liby Mathew at 1 hospital: Garnet Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Liby Mathew see patients?
Medicare's clinician data lists 2 practice locations, including Dumont, NJ and Middletown, NY. Call before your visit to confirm the address.
What is Liby Mathew's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Liby Mathew accept Medicare assignment?
Yes. Medicare's clinician data says Liby 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 Liby Mathew offer telehealth?
Medicare's clinician data says Liby Mathew offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Liby Mathew?
(201) 374-2722, as listed in official Medicare / NPI Registry data.
What is Liby Mathew's NPI number?
1154587566. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Liby Mathew works

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

Group practices

Medicare enrollment lists Liby Mathew as a member of these groups (CMS data updated 2026-10-02).

  • Crystal Run Healthcare Physicians LLP362 clinicians in the group
  • MPV New Jersey MD Services PC151 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in New Jersey

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

All internal medicine doctors in New Jersey →

Clinician information

CredentialMD
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1154587566
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