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Emergency Medicine

Freya J. Dittrich, DO

Works at hospitals in Mount Kisco, NY · Sleepy Hollow, NY · New York

Summary

Freya J. Dittrich, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Mount Kisco, NY and Sleepy Hollow, NY. NPI 1720044753. 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 Freya J. Dittrich, 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
27Years since medical school (graduated 1999)
New York Medical CollegeMedical school
FemaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does Freya J. Dittrich work at?
Medicare's official clinician data lists Freya J. Dittrich at 2 hospitals: Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Freya J. Dittrich see patients?
Medicare's clinician data lists 1 practice location in Manhasset, NY. Call before your visit to confirm the address.
What is Freya J. Dittrich's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Freya J. Dittrich accept Medicare assignment?
Yes. Medicare's clinician data says Freya J. Dittrich 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 Freya J. Dittrich?
(516) 562-3058, as listed in official Medicare / NPI Registry data.
What is Freya J. Dittrich's NPI number?
1720044753. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Freya J. Dittrich works

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

Group practices

Medicare enrollment lists Freya J. Dittrich 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 Emergency Medicine doctors in New York →

Other emergency medicine doctors in Manhasset

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

All emergency medicine doctors in Manhasset →

Clinician information

CredentialDO
Medical schoolNew York Medical College
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720044753
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