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Infectious Disease

Leslie A. Baken, MD

Works at hospitals in Minneapolis, MN · Saint Paul, MN · Minnesota

Summary

Dr. Leslie A. Baken, MD is an infectious disease doctor at 225 Smith Ave N, Suite 300, St Paul, MN 55102. Phone: (651) 241-5000. Accepts Medicare assignment. In 2024, Leslie A. Baken had 58 Original Medicare patients and 184 services. NPI 1750368288. 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: 225 Smith Ave N, Suite 300, St Paul, MN 55102 · Directions (1 more location)
  • Phone: (651) 241‑5000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Abbott Northwestern Hospital, Allina United Hospital
  • Group practice: Allina Health System
  • Medical school: University Of Minnesota Medical School · graduated 1984 (42 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Leslie A. Baken, 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 Leslie A. Baken accept Medicare assignment?
Yes. Medicare's clinician data says Leslie A. Baken 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 Leslie A. Baken see?
In 2024, CMS data shows 58 Original Medicare patients and 184 services for Leslie A. Baken. This counts Original Medicare only and measures volume, not quality.
What is Leslie A. Baken's NPI number?
1750368288. 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 Leslie A. Baken, 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 patients58
Services billed to Medicare184
Different services or procedures12
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)72 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)41 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 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 cholesterol75%
  • Chronic kidney disease57%
  • Arthritis50%
  • Diabetes47%
  • Ischemic heart disease47%

Hospitals where Leslie A. Baken works

Medicare's Facility Affiliation Data lists Leslie A. Baken 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 Leslie A. Baken is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Leslie A. Baken as a member of this group (CMS data updated October 2, 2026).

  • Allina Health System3,842 clinicians in the group

Specialties

Find other Infectious Disease doctors in Minnesota →

Other infectious disease doctors in Minnesota

Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.

All infectious disease doctors in Minnesota →

Other clinicians in Allina Health System

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1984 (42 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750368288
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