Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Joan M Duggan, MD

Individual provider Internal Medicine Physician · NPI 1891780300

Dr. Joan M Duggan, MD is an Infectious Disease in Toledo, Ohio. Graduated from University of Toledo College of Medicine in 1989, 37 years ago. Practices with University of Toledo Physicians LLC, a 395-clinician group, works from 12 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
37
Trained at
University of Toledo College of Medicine
Licensed in
OH
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3125 Transverse Dr
Toledo, OH 43614-5809
Phone: (419) 383-3780
Fax: (419) 383-2852
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (11)

  • 5640 N Adrian Hwy, Adrian, MI 49221-8318 — (517) 577-0000
  • 274 E Chicago St, Coldwater, MI 49036-2041 — (517) 279-5400
  • 718 N Macomb St, Monroe, MI 48162-7815 — (734) 240-8400
  • 1200 Ralston Ave, Defiance, OH 43512-9908 — (419) 783-6955
  • 501 Van Buren St, Fostoria, OH 44830-1534 — (419) 435-7734
  • 715 S Taft Ave, Fremont, OH 43420-3237 — (419) 332-7321
  • 2801 Bay Park Dr, Oregon, OH 43616-4920 — (419) 690-7900
  • 5700 Monroe St Unit 204b, Sylvania, OH 43560-2735 — (567) 585-0675
  • 5200 Harroun Rd, Sylvania, OH 43560-2168 — (419) 824-1444
  • 2901 N Reynolds Rd, Toledo, OH 43615-2035 — (419) 578-7700
  • 2100 W Central Ave Ste 200, Toledo, OH 43606-3817 — (567) 420-1600

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 35063775 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35.063775 (OH)

Record details

NPI number1891780300
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2005
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice University Of Toledo Physicians Llc — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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