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Dr. Michael A. Sperl, DO

Physical Medicine & Rehabilitation (PM&R) (Physical Medicine & Rehabilitation Physician)

400 E 3rd St
Duluth, MN 55805

Who else practices at this address →

St. Louis County includes primary care (17% of residents) and dental (35% of residents) shortage areas. About shortage areas

Call (218) 786-8364

  • Medicare participating

At a glance

Years since graduation
8
In the NPI registry since
2018
Medicare patients seen, 2024
199

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2018Medical school: Rocky Vista University College of Osteopathic Med
  • 2018Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Physical Medicine & Rehabilitation Physician primary
    MN license 65934

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Physical Medicine & Rehabilitation (PM&R) per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
199
Services billed
495
Patients’ average age
70
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes17061
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes3332
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes2626
New patient office or other outpatient visit, 45-59 minutes2020
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes1515
Hospital discharge day management, more than 30 minutes1212

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Physical Medicine & Rehabilitation (PM&R) clinicians in Duluth

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 22, 2022), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1043715139. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.