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Internal Medicine

Mark G. Seredowych, MD

Works at hospitals in Santa Fe, NM · New Mexico

Summary

Mark G. Seredowych, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Santa Fe, NM. NPI 1275545782. 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 G. Seredowych, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
MaleGender (as listed)
Nexus Health Primary Care LLCGroup practice

Quick answers

Which hospitals does Mark G. Seredowych work at?
Medicare's official clinician data lists Mark G. Seredowych at 2 hospitals: CHRISTUS St Vincent Regional Medical Center and Presbyterian Santa Fe Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark G. Seredowych see patients?
Medicare's clinician data lists 2 practice locations, including Santa Fe, NM. Call before your visit to confirm the address.
What is Mark G. Seredowych's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark G. Seredowych accept Medicare assignment?
Yes. Medicare's clinician data says Mark G. Seredowych 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 G. Seredowych?
(505) 901-8908, as listed in official Medicare / NPI Registry data.
What is Mark G. Seredowych's NPI number?
1275545782. 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 G. Seredowych works

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

Group practices

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

  • Nexus Health Primary Care LLC9 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Mexico →

Other internal medicine doctors in Santa Fe

Clinicians with the same Medicare primary specialty in Santa Fe, NM — not a recommendation.

All internal medicine doctors in Santa Fe →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275545782
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