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Hematology/Oncology

Dennis E. Slater, MD

Works at hospitals in Hartford, CT · Norwich, CT · Connecticut

Summary

Dennis E. Slater, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Hartford, CT and Norwich, CT. NPI 1447235486. 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 Dennis E. Slater, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
49Years since medical school (graduated 1977)
New York University School Of MedicineMedical school
MaleGender (as listed)
Eastern Connecticut Hematology and Oncology Associates PCGroup practice

Quick answers

Which hospitals does Dennis E. Slater work at?
Medicare's official clinician data lists Dennis E. Slater at 2 hospitals: Hartford Hospital and William W Backus Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dennis E. Slater see patients?
Medicare's clinician data lists 1 practice location in Norwich, CT. Call before your visit to confirm the address.
What is Dennis E. Slater's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Dennis E. Slater accept Medicare assignment?
Yes. Medicare's clinician data says Dennis E. Slater 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 Dennis E. Slater?
(860) 886-8362, as listed in official Medicare / NPI Registry data.
What is Dennis E. Slater's NPI number?
1447235486. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dennis E. Slater works

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

Group practices

Medicare enrollment lists Dennis E. Slater as a member of this group (CMS data updated 2026-10-02).

  • Eastern Connecticut Hematology and Oncology Associates PC13 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Connecticut →

Other hematologist-oncologists in Norwich

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

All hematologist-oncologists in Norwich →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447235486
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