Joan M Duggan, M.D.
Infectious Disease · Internal Medicine (CMS) · Toledo, OH
At a glance
3125 Transverse Dr., Toledo, OH 43614-5809
NPPES record updated Feb 5, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
3125 Transverse Dr.Toledo, OH 43614-5809
Additional reported practice locations
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Phone: 4196907900 5700 Monroe St Unit 204B
Sylvania, OH 435602735
Phone: 5675850675
Fax: 5675850676 274 E Chicago St
Coldwater, MI 490362041
Phone: 5172795400 2100 W Central Ave Ste 200
Toledo, OH 436063817
Phone: 5674201600
Fax: 4193833338 1200 Ralston Ave
Defiance, OH 435129908
Phone: 4197836955 718 N Macomb St
Monroe, MI 481627815
Phone: 7342408400 5200 Harroun Rd
Sylvania, OH 435602168
Phone: 4198241444 501 Van Buren St
Fostoria, OH 448301534
Phone: 4194357734 2901 N Reynolds Rd
Toledo, OH 436152035
Phone: 4195787700 715 S Taft Ave
Fremont, OH 434203237
Phone: 4193327321 5640 N Adrian Hwy
Adrian, MI 492218318
Phone: 5175770000
Education & affiliations
- Medical / professional school
- University Of Toledo College Of Medicine
- Graduation year
- 1989
- CMS specialties
- Infectious Disease · Internal Medicine
Practice groups
Reported hospital affiliations
- Promedica Toledo Hospital Toledo, OH
- University Of Toledo Medical Center Toledo, OH
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $39.38 |
Reporting companies
| Company | Amount |
|---|---|
| THERATECHNOLOGIES INC. | $39.38 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Infectious Disease · Internal Medicine (CMS)
- Taxonomy code
- 207RI0200X
- Enumeration date
- Sep 12, 2005
- Record updated
- Feb 5, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 35.063775 OH
207RI0200X · Primary
License reported: 35063775 OH
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3125 Transverse Dr.Toledo, OH 43614-5809
- Phone
- (419) 383-3780
- Fax
- (419) 383-2852
Mailing address
3000 ARLINGTON AVE STOP 1108TOLEDO, OH 436142595
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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