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Cardiovascular Disease (Cardiology)

Dylan P. Marshall, MD

Works at hospitals in Cortlandt Manor, NY · New York, NY · New York

Summary

Dylan P. Marshall, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Cortlandt Manor, NY and New York, NY. NPI 1366948994. 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 Dylan P. Marshall, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
MaleGender (as listed)
Trustees of Columbia University in the City of New YorkGroup practice (+1 more)

Quick answers

Which hospitals does Dylan P. Marshall work at?
Medicare's official clinician data lists Dylan P. Marshall at 2 hospitals: Hudson Valley Hospital Center and New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dylan P. Marshall see patients?
Medicare's clinician data lists 2 practice locations, including Cortlandt Manor, NY and New York, NY. Call before your visit to confirm the address.
What is Dylan P. Marshall's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Dylan P. Marshall accept Medicare assignment?
Yes. Medicare's clinician data says Dylan P. Marshall 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 Dylan P. Marshall?
(914) 737-9000, as listed in official Medicare / NPI Registry data.
What is Dylan P. Marshall's NPI number?
1366948994. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dylan P. Marshall works

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

Group practices

Medicare enrollment lists Dylan P. Marshall as a member of these groups (CMS data updated 2026-10-02).

  • Trustees of Columbia University in the City of New York2,296 clinicians in the group
  • The Westchester Medical Practice PC196 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Cortlandt Manor

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

All cardiologists in Cortlandt Manor →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366948994
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