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Internal Medicine

Mark S. Kreisberg, MD

Works at hospitals in Helena, MT · Montana

Summary

Mark S. Kreisberg, MD (Internal Medicine) is listed by Medicare at 1 hospital in Helena, MT. NPI 1467453324. 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 S. Kreisberg, 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
29Years since medical school (graduated 1997)
University Of South Alabama College Of MedicineMedical school
MaleGender (as listed)
St Peters HealthGroup practice

Quick answers

Which hospitals does Mark S. Kreisberg work at?
Medicare's official clinician data lists Mark S. Kreisberg at 1 hospital: St Peters Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark S. Kreisberg see patients?
Medicare's clinician data lists 2 practice locations, including Helena, MT. Call before your visit to confirm the address.
What is Mark S. Kreisberg's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark S. Kreisberg accept Medicare assignment?
Yes. Medicare's clinician data says Mark S. Kreisberg 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 Mark S. Kreisberg's NPI number?
1467453324. 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 S. Kreisberg works

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

  • 2475 BroadwayHelena, MT 59601
  • 2475 E Broadway StHelena, MT 59601

Group practices

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

  • St Peters Health199 clinicians in the group

Specialties

Find other Internal Medicine doctors in Montana →

Other internal medicine doctors in Helena

Clinicians with the same Medicare primary specialty in Helena, MT — not a recommendation.

All internal medicine doctors in Helena →

Clinician information

CredentialMD
Medical schoolUniversity Of South Alabama College Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467453324
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