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

Thaddeus P O'Neill, MD

Individual provider Plastic Surgery Physician · NPI 1699714873

Thaddeus P O'Neill, MD is a Plastic and Reconstructive Surgery in Sheboygan, Wisconsin. Graduated from Rush Medical College of Rush University in 1999, 27 years ago. Practices with Dermatologists of Southwestern Ohio, LLC, a 116-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
27
Trained at
Rush Medical College of Rush University
Licensed in
WI
In the registry since
2006
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

2414 Kohler Memorial Dr
Sheboygan, WI 53081-3129
Phone: (920) 457-4461
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Plastic Surgery Physician (primary) Taxonomy 208200000X · Licence 48986 (WI)

Record details

NPI number1699714873
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESMarch 7, 2023
Mailing address2414 Kohler Memorial Dr, Sheboygan, WI 53081-3129

Medicare enrollment

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

Medicare specialtyPLASTIC AND RECONSTRUCTIVE SURGERY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1999 (27 years in practice)
Group practice Dermatologists Of Southwestern Ohio, Llc — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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