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Obstetrics/Gynecology

Erica S. Hammer, MD

Sees patients in Hartford, CT · Connecticut

Summary

Dr. Erica S. Hammer, MD is an OB-GYN at 80 Seymour St, Hartford, CT 06102. Phone: (860) 972-2249. Accepts Medicare assignment. NPI 1790985802. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 80 Seymour St, Hartford, CT 06102 · Directions
  • Phone: (860) 972‑2249
  • Medicare: Accepts Medicare assignment
  • Group practice: Hartford Hospital
  • Medical school: University Of Vermont College Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erica S. Hammer, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Erica S. Hammer accept Medicare assignment?
Yes. Medicare's clinician data says Erica S. Hammer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Erica S. Hammer's NPI number?
1790985802. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Erica S. Hammer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erica S. Hammer as a member of this group (CMS data updated October 2, 2026).

  • Hartford Hospital1,044 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Connecticut →

Other OB-GYNs in Hartford

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

All OB-GYNs in Hartford →

Other clinicians in Hartford Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790985802
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians