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

Dr. Daniel Thomas O'Connor, MD

Individual provider General Practice Physician · NPI 1952478927

Dr. Daniel Thomas O'Connor, MD is a Preventive Medicine in Brookfield, Wisconsin. Qualified in 2005, 21 years ago. Practices with Rae Holdings Ltd, a 3-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
21
Licensed in
WI
In the registry since
2006
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

2865 N Brookfield Rd
Brookfield, WI 53045-3026
Phone: (608) 628-3690
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence 50669 (WI)
General Practice Physician Taxonomy 208D00000X · Licence 50669-20 (WI)

Record details

NPI number1952478927
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 28, 2006
Last updated in NPPESSeptember 23, 2021
Certification dateSeptember 23, 2021

Medicare enrollment

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

Medicare specialtyPREVENTIVE MEDICINE
Also practisesGENERAL PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Rae Holdings Ltd — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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