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Internal Medicine

Mark M. Durcan, MD

Sees patients in Alton, NH · Scarborough, ME · Lebanon, NH · New Hampshire, Maine

Summary

Mark M. Durcan, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in Alton, NH, Scarborough, ME and Lebanon, NH. NPI 1770502106. Source: CMS National Downloadable File, updated 2026-10-02.

Call(603) 822‑4713 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Mark M. Durcan, 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

3Practice locations
Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
Albany Medical College Of Union UniversityMedical school
MaleGender (as listed)
Clearchoicemd, PLLCGroup practice

Quick answers

Where does Mark M. Durcan see patients?
Medicare's clinician data lists 3 practice locations, including Alton, NH, Scarborough, ME and Lebanon, NH. Call before your visit to confirm the address.
What is Mark M. Durcan's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
Does Mark M. Durcan accept Medicare assignment?
Medicare's clinician data says Mark M. Durcan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Mark M. Durcan offer telehealth?
Medicare's clinician data says Mark M. Durcan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mark M. Durcan?
(603) 822-4713, as listed in official Medicare / NPI Registry data.
What is Mark M. Durcan's NPI number?
1770502106. 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 Mark M. Durcan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark M. Durcan as a member of this group (CMS data updated 2026-10-02).

  • Clearchoicemd, PLLC82 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in New Hampshire

Clinicians with the same Medicare primary specialty in New Hampshire — not a recommendation.

All internal medicine doctors in New Hampshire →

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year1991
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770502106
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