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Pathology

Steven Sieber, MD

Works at hospitals in Danbury, CT · Sharon, CT · Connecticut

Summary

Steven Sieber, MD (Pathology) is listed by Medicare at 2 hospitals in Danbury, CT and Sharon, CT. NPI 1942224043. 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 Steven Sieber, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
Yale University School Of MedicineMedical school
MaleGender (as listed)
Nuvance Health Medical Practice Ct IncGroup practice (+1 more)

Quick answers

Which hospitals does Steven Sieber work at?
Medicare's official clinician data lists Steven Sieber at 2 hospitals: Danbury Hospital and Sharon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven Sieber see patients?
Medicare's clinician data lists 4 practice locations, including Danbury, CT, Sharon, CT and Rhinebeck, NY. Call before your visit to confirm the address.
What is Steven Sieber's specialty?
Medicare lists Pathology as the primary specialty.
Does Steven Sieber accept Medicare assignment?
Yes. Medicare's clinician data says Steven Sieber 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 Steven Sieber?
(203) 739-4820, as listed in official Medicare / NPI Registry data.
What is Steven Sieber's NPI number?
1942224043. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Steven Sieber works

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

Group practices

Medicare enrollment lists Steven Sieber as a member of these groups (CMS data updated 2026-10-02).

  • Nuvance Health Medical Practice Ct Inc747 clinicians in the group
  • Nuvance Health Medical Practice PC595 clinicians in the group

Specialties

Find other Pathology doctors in Connecticut →

Other pathologists in Danbury

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

All pathologists in Danbury →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942224043
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