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Family Practice

Aaron Martinez, DO

Works at hospitals in Sandusky, OH · Oberlin, OH · Ohio

Summary

Aaron Martinez, DO (Family Practice) is listed by Medicare at 2 hospitals in Sandusky, OH and Oberlin, OH. NPI 1740785013. 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 Aaron Martinez, 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
5Years since medical school (graduated 2021)
MaleGender (as listed)
Mercy Health Physicians Lorain LLCGroup practice (+1 more)

Quick answers

Which hospitals does Aaron Martinez work at?
Medicare's official clinician data lists Aaron Martinez at 2 hospitals: Firelands Regional Medical Center and Mercy Allen Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron Martinez see patients?
Medicare's clinician data lists 2 practice locations, including Sandusky, OH and Oberlin, OH. Call before your visit to confirm the address.
What is Aaron Martinez's specialty?
Medicare lists Family Practice as the primary specialty.
Does Aaron Martinez accept Medicare assignment?
Yes. Medicare's clinician data says Aaron Martinez 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 Aaron Martinez?
(419) 502-2800, as listed in official Medicare / NPI Registry data.
What is Aaron Martinez's NPI number?
1740785013. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron Martinez works

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

Group practices

Medicare enrollment lists Aaron Martinez as a member of these groups (CMS data updated 2026-10-02).

  • Mercy Health Physicians Lorain LLC42 clinicians in the group
  • Family Health Services of Erie County23 clinicians in the group

Specialties

Find other Family Practice doctors in Ohio →

Other family doctors in Sandusky

Clinicians with the same Medicare primary specialty in Sandusky, OH — not a recommendation.

All family doctors in Sandusky →

Clinician information

CredentialDO
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740785013
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