Skip to main content

Dr. Robert L. Mango, M.D., PH.D.

Rheumatology (Rheumatology 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
14
In the NPI registry since
2012
Medicare patients seen, 2024
596

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

  • 2012Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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

  • Rheumatology Physician primary
    MN license 59184
  • Student in an Organized Health Care Education/Training Program

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

Map: Rheumatology 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
596
Services billed
3,135
Patients’ average age
71
Most frequent Medicare services, 2023
ServiceTimesPatients
Dxa bone density measurement of hip, pelvis, spine459459
Established patient office or other outpatient visit, 30-39 minutes165136
Established patient office or other outpatient visit, 20-29 minutes7571
Insertion of needle into vein for collection of blood sample5625
Red blood cell sedimentation rate, to detect inflammation, automated4725
Complete blood cell count (red cells, white blood cell, platelets), automated test4423
New patient office or other outpatient visit, 45-59 minutes2828

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 Rheumatology clinicians in Duluth

Sources

NPI registry (CMS NPPES, November 2026; record last updated May 18, 2018), 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 1376805333. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.