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Internal Medicine

Nadine Koser, DO

Sees patients in Meriden, CT · Connecticut

Summary

Nadine Koser, DO (Internal Medicine) is enrolled with Medicare at 1 practice location in Meriden, CT. NPI 1467620351. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nadine Koser, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
Michigan State University College Of Osteopathic MedicineMedical school
FemaleGender (as listed)
Midstate Medical CenterGroup practice

Quick answers

Where does Nadine Koser see patients?
Medicare's clinician data lists 1 practice location in Meriden, CT. Call before your visit to confirm the address.
What is Nadine Koser's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nadine Koser accept Medicare assignment?
Yes. Medicare's clinician data says Nadine Koser 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 Nadine Koser's NPI number?
1467620351. 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 Nadine Koser is enrolled with Medicare (CMS data updated 2026-10-02).

  • 435 Lewis AveMeriden, CT 06451

Group practices

Medicare enrollment lists Nadine Koser as a member of this group (CMS data updated 2026-10-02).

  • Midstate Medical Center186 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Meriden

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

All internal medicine doctors in Meriden →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467620351
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 2026-10-02, retrieved 2026-10-29
  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