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Emergency Medicine

Delna M. John, MD

Works at hospitals in New York, NY · New York

Summary

Delna M. John, MD (Emergency Medicine) is listed by Medicare at 1 hospital in New York, NY. NPI 1710340567. 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 Delna M. John, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Eastern Virginia Medical SchoolMedical school
FemaleGender (as listed)
Trustees of Columbia University in the City of New YorkGroup practice

Quick answers

Which hospitals does Delna M. John work at?
Medicare's official clinician data lists Delna M. John at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Delna M. John see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Delna M. John's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Delna M. John accept Medicare assignment?
Yes. Medicare's clinician data says Delna M. John 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 Delna M. John?
(212) 305-9876, as listed in official Medicare / NPI Registry data.
What is Delna M. John's NPI number?
1710340567. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Delna M. John works

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

Group practices

Medicare enrollment lists Delna M. John as a member of this group (CMS data updated 2026-10-02).

  • Trustees of Columbia University in the City of New York2,296 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in New York

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

All emergency medicine doctors in New York →

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710340567
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