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Family Practice

Derek J. Lee, DO

Works at hospitals in Exeter, NH · Rochester, NH · Portsmouth, NH … · New Hampshire

Summary

Derek J. Lee, DO (Family Practice) is listed by Medicare at 4 hospitals in Exeter, NH, Rochester, NH and Portsmouth, NH and other places. NPI 1639667553. 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 Derek J. Lee, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Appledore Medical Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Derek J. Lee work at?
Medicare's official clinician data lists Derek J. Lee at 4 hospitals: Exeter Hospital Inc, Frisbie Memorial Hospital, Portsmouth Regional Hospital and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek J. Lee see patients?
Medicare's clinician data lists 3 practice locations, including Derry, NH and Portsmouth, NH. Call before your visit to confirm the address.
What is Derek J. Lee's specialty?
Medicare lists Family Practice as the primary specialty.
Does Derek J. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Derek J. Lee 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 Derek J. Lee?
(603) 432-1500, as listed in official Medicare / NPI Registry data.
What is Derek J. Lee's NPI number?
1639667553. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Derek J. Lee works

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

Group practices

Medicare enrollment lists Derek J. Lee as a member of these groups (CMS data updated 2026-10-02).

  • Appledore Medical Group Inc196 clinicians in the group
  • Hospital Medicine Services of NH, LLC85 clinicians in the group

Specialties

Find other Family Practice doctors in New Hampshire →

Other family doctors in Derry

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

All family doctors in Derry →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639667553
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