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Orthopedic Surgery

James Markos, MD

Works at hospitals in Indianapolis, IN · Rochester, MN · Indiana, Minnesota

Summary

James Markos, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Indianapolis, IN and Rochester, MN. NPI 1912581844. 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 James Markos, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Mayo ClinicGroup practice

Quick answers

Which hospitals does James Markos work at?
Medicare's official clinician data lists James Markos at 2 hospitals: Indiana University Health and Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James Markos see patients?
Medicare's clinician data lists 1 practice location in Rochester, MN. Call before your visit to confirm the address.
What is James Markos's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does James Markos accept Medicare assignment?
Yes. Medicare's clinician data says James Markos 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 James Markos?
(507) 284-2511, as listed in official Medicare / NPI Registry data.
What is James Markos's NPI number?
1912581844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James Markos works

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

Group practices

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

  • Mayo Clinic4,956 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Minnesota →

Other orthopedic surgeons in Rochester

Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.

All orthopedic surgeons in Rochester →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912581844
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