Joan M. Duggan, MD

Medicare activity in 2024

Official CMS public-use data for Joan M. Duggan, 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.

Most frequent services

1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)62 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)32 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 cholesterol64%
• Arthritis59%
• Diabetes49%
• Chronic kidney disease45%
• Heart failure42%

Hospitals where Joan M. Duggan works

Medicare's Facility Affiliation Data lists Joan M. Duggan 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.

• ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360068
• University of Toledo Medical CenterToledo, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360048

Practice locations

Addresses where Joan M. Duggan is enrolled with Medicare (CMS data updated October 2, 2026).

• 2142 N Cove BlvdToledo, OH 43606 (419) 291‑4000
• 3000 Arlington AveToledo, OH 43614 (419) 383‑3578
• 3125 Transverse DrToledo, OH 43614 (419) 383‑5000
• 3333 Glendale AveToledo, OH 43614 (419) 383‑5550
• 3355 Glendale AveToledo, OH 43614 (419) 383‑5614

Group practices

Medicare enrollment lists Joan M. Duggan as a member of this group (CMS data updated October 2, 2026).

• University of Toledo Physicians LLC403 clinicians in the group

Specialties

• Infectious Diseaseprimary
• Internal Medicinealso

Find other Infectious Disease doctors in Ohio →

Other infectious disease doctors in Toledo

Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.

• Michael W. Ellis, MD
• Hend Elsaghir, MD
• Haroon M. Shah, DO
• Caitlyn M. Hollingshead, MD
• Arlette T. Aouad, MD
• Nada Taleb, MD
• Varsha V. Moudgal, MD
• Tanyanyiwa W. Chinyadza, MD

All infectious disease doctors in Toledo →

Other clinicians in University of Toledo Physicians LLC

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

• Paul Chacko, MD
• Sameer Gupta, MD
• Emilee J. Onysyk
• Samar Khoury, MD
• Mariah Truscinski, MD
• Babar Sanaullah, MD

Clinician information

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