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Neurosurgery

Mark Lyerly, MD

Works at hospitals in Machias, ME · Greenville, ME · Bangor, ME · Maine

Summary

Mark Lyerly, MD (Neurosurgery) is listed by Medicare at 4 hospitals in Machias, ME, Greenville, ME and Bangor, ME. NPI 1881661791. 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 Mark Lyerly, 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

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
Duke University School Of MedicineMedical school
MaleGender (as listed)
St Joseph HospitalGroup practice

Quick answers

Which hospitals does Mark Lyerly work at?
Medicare's official clinician data lists Mark Lyerly at 4 hospitals: Down East Community Hospital, Northern Light C A Dean Hospital, Northern Light Eastern Maine Medical Center and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark Lyerly see patients?
Medicare's clinician data lists 1 practice location in Bangor, ME. Call before your visit to confirm the address.
What is Mark Lyerly's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Mark Lyerly accept Medicare assignment?
Yes. Medicare's clinician data says Mark Lyerly 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 Mark Lyerly?
(207) 907-1617, as listed in official Medicare / NPI Registry data.
What is Mark Lyerly's NPI number?
1881661791. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark Lyerly works

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

Group practices

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

  • St Joseph Hospital199 clinicians in the group

Specialties

Find other Neurosurgery doctors in Maine →

Other neurosurgeons in Bangor

Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.

All neurosurgeons in Bangor →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881661791
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