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Internal Medicine

David Dayya, MD

Works at hospitals in Bridgeport, CT · Greenwich, CT · Sleepy Hollow, NY · Connecticut, New York

Summary

David Dayya, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Bridgeport, CT, Greenwich, CT and Sleepy Hollow, NY. NPI 1548341837. 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 David Dayya, 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
33Years since medical school (graduated 1993)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does David Dayya work at?
Medicare's official clinician data lists David Dayya at 3 hospitals: Bridgeport Hospital, Greenwich Hospital Association - and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Dayya see patients?
Medicare's clinician data lists 2 practice locations, including New Canaan, CT and Sleepy Hollow, NY. Call before your visit to confirm the address.
What is David Dayya's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does David Dayya accept Medicare assignment?
Yes. Medicare's clinician data says David Dayya 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 David Dayya offer telehealth?
Medicare's clinician data says David Dayya offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David Dayya?
(203) 972-7766, as listed in official Medicare / NPI Registry data.
What is David Dayya's NPI number?
1548341837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Dayya works

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

Group practices

Medicare enrollment lists David Dayya 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 Internal Medicine doctors in Connecticut →

Other internal medicine doctors in New Canaan

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

All internal medicine doctors in New Canaan →

Clinician information

CredentialMD
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548341837
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