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Infectious Disease

Mary J. Kasten, MD

Works at hospitals in Rochester, MN · Minnesota

Summary

Dr. Mary J. Kasten, MD is an infectious disease doctor at 1216 2nd St SW, Rochester, MN 55902. Phone: (507) 255-5123. Accepts Medicare assignment. In 2024, Mary J. Kasten had 117 Original Medicare patients and 318 services. NPI 1871572842. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 1216 2nd St SW, Rochester, MN 55902 · Directions (1 more location)
  • Phone: (507) 255‑5123
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic Hospital Rochester
  • Group practice: Mayo Clinic
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1985 (41 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mary J. Kasten, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary J. Kasten accept Medicare assignment?
Yes. Medicare's clinician data says Mary J. Kasten accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mary J. Kasten see?
In 2024, CMS data shows 117 Original Medicare patients and 318 services for Mary J. Kasten. This counts Original Medicare only and measures volume, not quality.
What is Mary J. Kasten's NPI number?
1871572842. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mary J. Kasten, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients117
Services billed to Medicare318
Different services or procedures30
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)46 services
  2. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)46 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)42 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 services
  5. Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes (99451)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol68%
  • Chronic kidney disease51%
  • Ischemic heart disease49%
  • Heart failure46%
  • Arthritis44%

Hospitals where Mary J. Kasten works

Medicare's Facility Affiliation Data lists Mary J. Kasten at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mary J. Kasten is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary J. Kasten as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic4,956 clinicians in the group

Specialties

Find other Infectious Disease doctors in Minnesota →

Other infectious disease doctors in Rochester

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

All infectious disease doctors in Rochester →

Other clinicians in Mayo Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1985 (41 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871572842
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians