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Pediatric Medicine

Kathryn Dee Macmillan, MD

Sees patients in Hanover, NH · New Hampshire

Summary

Kathryn Dee Macmillan, MD (Pediatric Medicine) is enrolled with Medicare at 1 practice location in Hanover, NH. NPI 1861836629. 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 Kathryn Dee Macmillan, 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

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
Geisel School Of Medicine At DartmouthMedical school
FemaleGender (as listed)

Quick answers

Where does Kathryn Dee Macmillan see patients?
Medicare's clinician data lists 1 practice location in Hanover, NH. Call before your visit to confirm the address.
What is Kathryn Dee Macmillan's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Kathryn Dee Macmillan accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn Dee Macmillan 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 Kathryn Dee Macmillan's NPI number?
1861836629. 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 Kathryn Dee Macmillan is enrolled with Medicare (CMS data updated 2026-10-02).

  • PO Box, Suite 810Hanover, NH 03755

Specialties

Find other Pediatric Medicine doctors in New Hampshire →

Other pediatricians in Hanover

Clinicians with the same Medicare primary specialty in Hanover, NH — not a recommendation.

All pediatricians in Hanover →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861836629
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