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

Dr. Brian J Demaster, MD

Individual provider Family Medicine Physician · NPI 1043325293

Dr. Brian J Demaster, MD is a Family Practice in Cedar Grove, Wisconsin. Graduated from Medical College of Wisconsin in 1992, 34 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
34
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

313 S Main St
Cedar Grove, WI 53013
Phone: (920) 668-8502
Fax: (920) 668-8093
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 34619 (WI)

Record details

NPI number1043325293
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESMarch 7, 2023
Certification dateDecember 9, 2021
Mailing address3301 W Forest Home Ave, Milwaukee, WI 53215-2843

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1992 (34 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare