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Emergency Medicine

Mary Lark, MD

Sees patients in Mesa, AZ · Arizona

Summary

Mary Lark, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Mesa, AZ. NPI 1861071425. 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 Mary Lark, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
Duke University School Of MedicineMedical school
FemaleGender (as listed)
Cep America- Arizona, PCGroup practice

Quick answers

Where does Mary Lark see patients?
Medicare's clinician data lists 1 practice location in Mesa, AZ. Call before your visit to confirm the address.
What is Mary Lark's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Mary Lark accept Medicare assignment?
Yes. Medicare's clinician data says Mary Lark 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 Mary Lark?
(480) 412-3000, as listed in official Medicare / NPI Registry data.
What is Mary Lark's NPI number?
1861071425. 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 Mary Lark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Cep America- Arizona, PC93 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Mesa

Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.

All emergency medicine doctors in Mesa →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861071425
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